Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752901AbcJDK6Y (ORCPT ); Tue, 4 Oct 2016 06:58:24 -0400 Received: from sender163-mail.zoho.com ([74.201.84.163]:21480 "EHLO sender163-mail.zoho.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751223AbcJDK6V (ORCPT ); Tue, 4 Oct 2016 06:58:21 -0400 Message-ID: <1475578687.1912.28.camel@mniewoehner.de> Subject: Re: PROBLEM: DWC3 USB 3.0 not working on Odroid-XU4 with Exynos 5422 From: Michael =?ISO-8859-1?Q?Niew=F6hner?= To: Vivek Gautam , Anand Moon Cc: Mathias Nyman , Felipe Balbi , Greg Kroah-Hartman , Kukjin Kim , Krzysztof Kozlowski , Linux USB Mailing List , linux-arm-kernel , "linux-samsung-soc@vger.kernel.org" , Linux Kernel , Vivek Gautam In-Reply-To: References: <1472414695.3845.3.camel@mniewoehner.de> <87lgzgdof3.fsf@linux.intel.com> <57C41582.1030604@linux.intel.com> <1472468730.4925.3.camel@mniewoehner.de> Content-Type: text/plain; charset="UTF-8" Date: Tue, 04 Oct 2016 12:58:08 +0200 Mime-Version: 1.0 X-Mailer: Evolution 3.20.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id u94AwVMu007197 Content-Length: 173081 Lines: 1416 Hi Vivek, On Di, 2016-10-04 at 11:32 +0530, Vivek Gautam wrote: > Hi Michael, > > > On Tue, Aug 30, 2016 at 10:32 AM, Anand Moon wrote: > > > > Hi All > > > > Adding Vivek Gautam. > > Sorry for missing out this conversation. I am no longer part of Samsung. > > > > > > > On 29 August 2016 at 16:35, Michael Niewöhner wrote: > > > > > > Hi Mathias, > > > On Mo, 2016-08-29 at 13:59 +0300, Mathias Nyman wrote: > > > > > > > > On 29.08.2016 10:28, Felipe Balbi wrote: > > > > > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > Michael Niewöhner writes: > > > > > > > > > > > > > > > > > > [1.] One line summary of the problem: > > > > > > DWC3 USB 3.0 not working on Odroid-XU4 with Exynos 5422 > > > > > > > > > > > > [2.] Full description of the problem/report: > > > > > > No usb 3.0 devices are being detected when attached while USB 2.0 > > > > > > devices work on the same port. > > > > > > USB 3.0 works after applying patches [9.1] and [9.2], but seems > > > > > > to be > > > > > > buggy. The usb hub is redetected every time an usb device is > > > > > > attached. > > [snip] > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > [9.] Other notes, patches, fixes, workarounds: > > > > > > [9.1] https://lkml.org/lkml/2014/4/28/234 > > > > > > [9.2] https://lkml.org/lkml/2015/2/2/259 > > These patches are required to get USB super-speed working on Exynos5420/5800. > But they did not make to upstream. There was resistance on adding new > phy_calibrate() > callback. > > Without these patches the Exynos5420/5800 will enumerate all > super-speed capable devices > as high-speed devices. > Last time we checked with exynos542x smdk boards and peach-* boards, > we could get the > Super - speed devices working. I have not tested odroid anytime so > don't have much idea about the > its intricacies. > I guess Anand was able to use these patches to get his kernel working in past. The patches don't work anymore with 4.8-rc* / 4.8. They worked - but very unstable - with 4.7. One more problem appeared since one of the 4.8-RCs: reboot hangs when the dwc3 module is loaded. If I unload it before reboot / shutdown everything is fine. > > When you have a downstream on-board usb hub, ideally it should be able > to detect the devices > and not reset everytime you connect a new device (like you mentioned earlier). > There can be two possible reasons why the hub keeps getting reset ever > after applying the above > mentioned patches: > 1) the clock rates are not proper. > 2) the regulator load setting is not enough to drive the hub. > > Anand, can you please point Michael to an older kernel with which you > could test usb on odroid successfully ? > You can compare the clocks with an older version and see if there'a > any difference. > > Any possibility of any other framework (such as, bus-freq) trimming > down the clock - rates ? ################################ # v4.7.5 ################################ $ cat /sys/kernel/debug/clk/clk_summary | grep usb       sclk_usbh20_scan_clk                     0            0   480000000          0   sclk_usbh20                              0            0    48000 000          0      mout_usbd300                          1            1    24000000          0         dout_usbd300                       0            0    24000000          0            sclk_usbd300                     0            0    24000000          0         dout_usbphy300                     1            1    24000000          0            sclk_usbphy300                  4            4    24000 000          0      mout_usbd301                          1            1    24000000          0         dout_usbd301                       0            0    24000000          0            sclk_usbd301                     0            0    24000000          0         dout_usbphy301                     1            1    24000000          0            sclk_usbphy301                  3            3    24000 000          0                           usbd301           1            1   100000000                                     usbd300           1            1   100000000                                      usbh20           3            3   100000000          0 $ cat /sys/kernel/debug/usb/devices T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 3               B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                   D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1                     P:  Vendor=1d6b ProdID=0002 Rev= 4.07                                            S:  Manufacturer=Linux 4.7.5+ ehci_hcd                                           S:  Product=EHCI Host Controller                                                 S:  SerialNumber=12110000.usb:                                                   C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                                                                                                     T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12   MxCh= 3               B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0                                   D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1                     P:  Vendor=1d6b ProdID=0001 Rev= 4.07                                            S:  Manufacturer=Linux 4.7.5+ ohci_hcd                                           S:  Product=USB Host Controller                                                  S:  SerialNumber=12120000.usb:                                                   C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms                                                                                                                     T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 1               B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                   D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1                     P:  Vendor=1d6b ProdID=0002 Rev= 4.07                                            S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                           S:  Product=xHCI Host Controller                                                 S:  SerialNumber=xhci-hcd.4.auto                                                 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                                                                                                     T:  Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480  MxCh= 2               D:  Ver= 2.10 Cls=09(hub  ) Sub=00 Prot=02 MxPS=64 #Cfgs=  1                     P:  Vendor=05e3 ProdID=0610 Rev=92.22                                            S:  Manufacturer=GenesysLogic                                                    S:  Product=USB2.0 Hub                                                           C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA                                           I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=01 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   1 Ivl=256ms                                    I:* If#= 0 Alt= 1 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=02 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   1 Ivl=256ms                                                                                                                     T:  Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 1               B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                   D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1                     P:  Vendor=1d6b ProdID=0003 Rev= 4.07                                            S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                           S:  Product=xHCI Host Controller                                                 S:  SerialNumber=xhci-hcd.4.auto                                                 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                                                                                                     T:  Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=5000 MxCh= 2               D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1                     P:  Vendor=05e3 ProdID=0616 Rev=92.22                                            S:  Manufacturer=GenesysLogic                                                    S:  Product=USB3.0 Hub                                                           C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub                E:  Ad=83(I) Atr=13(Int.) MxPS=   2 Ivl=16ms                                                                                                                      T:  Bus=04 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  3 Spd=5000 MxCh= 0               D:  Ver= 3.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs=  1                     P:  Vendor=1e68 ProdID=008a Rev= 1.00                                            S:  Manufacturer=TrekStor                                                        S:  Product=DS picco SSD                                                         S:  SerialNumber=20151111311B                                                    C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage        E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      I:  If#= 0 Alt= 1 #EPs= 4 Cls=08(stor.) Sub=06 Prot=62 Driver=usb-storage        E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      E:  Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      E:  Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                                                                                                       T:  Bus=05 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 1               B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                   D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1                     P:  Vendor=1d6b ProdID=0002 Rev= 4.07                                            S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                           S:  Product=xHCI Host Controller                                                 S:  SerialNumber=xhci-hcd.5.auto                                                 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                                                                                                     T:  Bus=06 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 1               B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0                                   D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1                     P:  Vendor=1d6b ProdID=0003 Rev= 4.07                                            S:  Manufacturer=Linux 4.7.5+ xhci-hcd                                           S:  Product=xHCI Host Controller                                                 S:  SerialNumber=xhci-hcd.5.auto                                                 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA                                           I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub                E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms                                                                                                                     T:  Bus=06 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0               D:  Ver= 3.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs=  2                     P:  Vendor=0bda ProdID=8153 Rev=30.00                                            S:  Manufacturer=Realtek                                                         S:  Product=USB 10/100/1000 LAN                                                  S:  SerialNumber=000001000000                                                    C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=256mA                                           I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=00 Driver=r8152              E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      E:  Ad=83(I) Atr=03(Int.) MxPS=   2 Ivl=16ms                                     C:  #Ifs= 2 Cfg#= 2 Atr=a0 MxPwr=256mA                                           I:  If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=                   E:  Ad=83(I) Atr=03(Int.) MxPS=  16 Ivl=16ms                                     I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=                   I:  If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=                   E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms                                      E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms ################################ # v4.8.0 ################################ $ cat /sys/kernel/debug/clk/clk_summary | grep usb  sclk_usbh20_scan_clk                     0            0   480000000          0   sclk_usbh20                              0            0    48000000           0      mout_usbd300                          1            1    24000000          0         dout_usbd300                       0            0    24000000          0            sclk_usbd300                     0            0    24000000          0         dout_usbphy300                     1            1    24000000          0            sclk_usbphy300                  4            4    24000000           0      mout_usbd301                          1            1    24000000          0         dout_usbd301                       0            0    24000000          0            sclk_usbd301                     0            0    24000000          0         dout_usbphy301                     1            1    24000000          0            sclk_usbphy301                  3            3    24000000           0                           usbd301           1            1   100000000                                     usbd300           1            1   100000000                                     usbh2 0           3            3   100000000          0  $ cat /sys/kernel/debug/usb/devices <> > > > [snip] > > > > > > > There are two dwc3 ports in the SoC : one for Gbit Ethernet another > > one for on-board GL3521 USB 3.0 hub controller. > > > > 3.10.x kernel > > odroid@odroid:~$ lsusb -t > > /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M > >     |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M > > /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M > > /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M > >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M > > /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M > >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M > > /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M > > /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=s5p-ehci/3p, 480M > > > > 4.x kernel > > odroid@odroid:~$ lsusb -t > > /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M > > /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M > >     |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 480M > > /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M > >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M > >         |__ Port 1: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 5000M > >         |__ Port 2: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 5000M > > /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M > >     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M > > /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M > > /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M > > [snip] > > Michael, please paste the output of lsusb -t and/or lsusb -v as well. ################################ # v4.7.5 lsusb -t ################################ /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M                  |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M    /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M               /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M                  |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M                             |__ Port 1: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 5000M   /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M                   |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M                      /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M             /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M  ################################ # v4.8.0 lsusb -t ################################ /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M              /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M               /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M              /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M               /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M             /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M  ################################ # v4.7.5 lsusb -v ################################ Bus 006 Device 002: ID 0bda:8153 Realtek Semiconductor Corp.                     Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               3.00                                                        bDeviceClass            0 (Defined at Interface level)                           bDeviceSubClass         0                                                        bDeviceProtocol         0                                                        bMaxPacketSize0         9                                                        idVendor           0x0bda Realtek Semiconductor Corp.                            idProduct          0x8153                                                        bcdDevice           30.00                                                        iManufacturer           1 Realtek                                                iProduct                2 USB 10/100/1000 LAN                                    iSerial                 6 000001000000                                           bNumConfigurations      2                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           57                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xa0                                                          (Bus Powered)                                                                    Remote Wakeup                                                                  MaxPower               64mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           3                                                        bInterfaceClass       255 Vendor Specific Class                                  bInterfaceSubClass    255 Vendor Specific Subclass                               bInterfaceProtocol      0                                                        iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst               3                                                      Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x02  EP 2 OUT                                              bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst               3                                                      Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x83  EP 3 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0002  1x 2 bytes                                            bInterval               8                                                        bMaxBurst               0                                                  Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           98                                                        bNumInterfaces          2                                                        bConfigurationValue     2                                                        iConfiguration          0                                                        bmAttributes         0xa0                                                          (Bus Powered)                                                                    Remote Wakeup                                                                  MaxPower               64mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         2 Communications                                         bInterfaceSubClass      6 Ethernet Networking                                    bInterfaceProtocol      0                                                        iInterface              5 CDC Communications Control                             CDC Header:                                                                        bcdCDC               1.10                                                      CDC Union:                                                                         bMasterInterface        0                                                        bSlaveInterface         1                                                      CDC Ethernet:                                                                      iMacAddress                      3 001E06321EFF                                  bmEthernetStatistics    0x00000000                                               wMaxSegmentSize               1514                                               wNumberMCFilters            0x0000                                               bNumberPowerFilters              0                                             Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x83  EP 3 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0010  1x 16 bytes                                           bInterval               8                                                        bMaxBurst               0                                                    Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        1                                                        bAlternateSetting       0                                                        bNumEndpoints           0                                                        bInterfaceClass        10 CDC Data                                               bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0                                                        iInterface              0                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        1                                                        bAlternateSetting       1                                                        bNumEndpoints           2                                                        bInterfaceClass        10 CDC Data                                               bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0                                                        iInterface              4 Ethernet Data                                          Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst               3                                                      Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x02  EP 2 OUT                                              bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst               3                                                Binary Object Store Descriptor:                                                    bLength                 5                                                        bDescriptorType        15                                                        wTotalLength           22                                                        bNumDeviceCaps          2                                                        USB 2.0 Extension Device Capability:                                               bLength                 7                                                        bDescriptorType        16                                                        bDevCapabilityType      2                                                        bmAttributes   0x00000002                                                          Link Power Management (LPM) Supported                                        SuperSpeed USB Device Capability:                                                  bLength                10                                                        bDescriptorType        16                                                        bDevCapabilityType      3                                                        bmAttributes         0x02                                                          Latency Tolerance Messages (LTM) Supported                                     wSpeedsSupported   0x000e                                                          Device can operate at Full Speed (12Mbps)                                        Device can operate at High Speed (480Mbps)                                       Device can operate at SuperSpeed (5Gbps)                                       bFunctionalitySupport   2                                                          Lowest fully-functional device speed is High Speed (480Mbps)                   bU1DevExitLat          10 micro seconds                                          bU2DevExitLat        2047 micro seconds                                      Device Status:     0x0010                                                          (Bus Powered)                                                                    Latency Tolerance Messaging (LTM) Enabled                                                                                                                       Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub                   Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               3.00                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         3                                                        bMaxPacketSize0         9                                                        idVendor           0x1d6b Linux Foundation                                       idProduct          0x0003 3.0 root hub                                           bcdDevice            4.07                                                        iManufacturer           3 Linux 4.7.5+ xhci-hcd                                  iProduct                2 xHCI Host Controller                                   iSerial                 1 xhci-hcd.5.auto                                        bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           31                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0004  1x 4 bytes                                            bInterval              12                                                        bMaxBurst               0                                                Hub Descriptor:                                                                    bLength              12                                                          bDescriptorType      42                                                          nNbrPorts             1                                                          wHubCharacteristic 0x0009                                                          Per-port power switching                                                         Per-port overcurrent protection                                                bPwrOn2PwrGood       10 * 2 milli seconds                                        bHubContrCurrent      0 milli Ampere                                             bHubDecLat          0.0 micro seconds                                            wHubDelay             0 nano seconds                                             DeviceRemovable    0x00                                                         Hub Port Status:                                                                   Port 1: 0000.0203 5Gbps power U0 enable connect                               Binary Object Store Descriptor:                                                    bLength                 5                                                        bDescriptorType        15                                                        wTotalLength           15                                                        bNumDeviceCaps          1                                                        SuperSpeed USB Device Capability:                                                  bLength                10                                                        bDescriptorType        16                                                        bDevCapabilityType      3                                                        bmAttributes         0x02                                                          Latency Tolerance Messages (LTM) Supported                                     wSpeedsSupported   0x0008                                                          Device can operate at SuperSpeed (5Gbps)                                       bFunctionalitySupport   3                                                          Lowest fully-functional device speed is SuperSpeed (5Gbps)                     bU1DevExitLat           0 micro seconds                                          bU2DevExitLat           0 micro seconds                                      Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub                   Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               2.00                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         1 Single TT                                              bMaxPacketSize0        64                                                        idVendor           0x1d6b Linux Foundation                                       idProduct          0x0002 2.0 root hub                                           bcdDevice            4.07                                                        iManufacturer           3 Linux 4.7.5+ xhci-hcd                                  iProduct                2 xHCI Host Controller                                   iSerial                 1 xhci-hcd.5.auto                                        bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           25                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0004  1x 4 bytes                                            bInterval              12                                                Hub Descriptor:                                                                    bLength               9                                                          bDescriptorType      41                                                          nNbrPorts             1                                                          wHubCharacteristic 0x0009                                                          Per-port power switching                                                         Per-port overcurrent protection                                                  TT think time 8 FS bits                                                        bPwrOn2PwrGood       10 * 2 milli seconds                                        bHubContrCurrent      0 milli Ampere                                             DeviceRemovable    0x00                                                          PortPwrCtrlMask    0xff                                                         Hub Port Status:                                                                   Port 1: 0000.0100 power                                                       Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 004 Device 003: ID 1e68:008a TrekStor GmbH & Co. KG                          Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               3.00                                                        bDeviceClass            0 (Defined at Interface level)                           bDeviceSubClass         0                                                        bDeviceProtocol         0                                                        bMaxPacketSize0         9                                                        idVendor           0x1e68 TrekStor GmbH & Co. KG                                 idProduct          0x008a                                                        bcdDevice            1.00                                                        iManufacturer           2 TrekStor                                               iProduct                3 DS picco SSD                                           iSerial                 1 20151111311B                                           bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength          121                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xc0                                                          Self Powered                                                                   MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           2                                                        bInterfaceClass         8 Mass Storage                                           bInterfaceSubClass      6 SCSI                                                   bInterfaceProtocol     80 Bulk-Only                                              iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst              15                                                      Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x02  EP 2 OUT                                              bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst              15                                                    Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       1                                                        bNumEndpoints           4                                                        bInterfaceClass         8 Mass Storage                                           bInterfaceSubClass      6 SCSI                                                   bInterfaceProtocol     98                                                        iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst              15                                                        MaxStreams             32                                                        Data-in pipe (0x03)                                                            Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x02  EP 2 OUT                                              bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst              15                                                        MaxStreams             32                                                        Data-out pipe (0x04)                                                           Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x83  EP 3 IN                                               bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst              15                                                        MaxStreams             32                                                        Status pipe (0x02)                                                             Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x04  EP 4 OUT                                              bmAttributes            2                                                          Transfer Type            Bulk                                                    Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0400  1x 1024 bytes                                         bInterval               0                                                        bMaxBurst               0                                                        Command pipe (0x01)                                                      Binary Object Store Descriptor:                                                    bLength                 5                                                        bDescriptorType        15                                                        wTotalLength           22                                                        bNumDeviceCaps          2                                                        USB 2.0 Extension Device Capability:                                               bLength                 7                                                        bDescriptorType        16                                                        bDevCapabilityType      2                                                        bmAttributes   0x0000f41e                                                          Link Power Management (LPM) Supported                                        SuperSpeed USB Device Capability:                                                  bLength                10                                                        bDescriptorType        16                                                        bDevCapabilityType      3                                                        bmAttributes         0x00                                                        wSpeedsSupported   0x000e                                                          Device can operate at Full Speed (12Mbps)                                        Device can operate at High Speed (480Mbps)                                       Device can operate at SuperSpeed (5Gbps)                                       bFunctionalitySupport   1                                                          Lowest fully-functional device speed is Full Speed (12Mbps)                    bU1DevExitLat          10 micro seconds                                          bU2DevExitLat        2047 micro seconds                                      Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 004 Device 002: ID 05e3:0616 Genesys Logic, Inc.                             Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               3.00                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         3                                                        bMaxPacketSize0         9                                                        idVendor           0x05e3 Genesys Logic, Inc.                                    idProduct          0x0616                                                        bcdDevice           92.22                                                        iManufacturer           1 GenesysLogic                                           iProduct                2 USB3.0 Hub                                             iSerial                 0                                                        bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           31                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              1 GenesysLogic                                           Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x83  EP 3 IN                                               bmAttributes           19                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Feedback                                              wMaxPacketSize     0x0002  1x 2 bytes                                            bInterval               8                                                        bMaxBurst               0                                                Hub Descriptor:                                                                    bLength              12                                                          bDescriptorType      42                                                          nNbrPorts             2                                                          wHubCharacteristic 0x0009                                                          Per-port power switching                                                         Per-port overcurrent protection                                                bPwrOn2PwrGood       50 * 2 milli seconds                                        bHubContrCurrent    576 milli Ampere                                             bHubDecLat          0.0 micro seconds                                            wHubDelay          1248 nano seconds                                             DeviceRemovable    0x00                                                         Hub Port Status:                                                                   Port 1: 0000.0203 5Gbps power U0 enable connect                                  Port 2: 0000.02a0 5Gbps power Rx.Detect                                       Binary Object Store Descriptor:                                                    bLength                 5                                                        bDescriptorType        15                                                        wTotalLength           42                                                        bNumDeviceCaps          3                                                        USB 2.0 Extension Device Capability:                                               bLength                 7                                                        bDescriptorType        16                                                        bDevCapabilityType      2                                                        bmAttributes   0x00000006                                                          Link Power Management (LPM) Supported                                        SuperSpeed USB Device Capability:                                                  bLength                10                                                        bDescriptorType        16                                                        bDevCapabilityType      3                                                        bmAttributes         0x00                                                        wSpeedsSupported   0x000e                                                          Device can operate at Full Speed (12Mbps)                                        Device can operate at High Speed (480Mbps)                                       Device can operate at SuperSpeed (5Gbps)                                       bFunctionalitySupport   1                                                          Lowest fully-functional device speed is Full Speed (12Mbps)                    bU1DevExitLat           8 micro seconds                                          bU2DevExitLat         190 micro seconds                                        Container ID Device Capability:                                                    bLength                20                                                        bDescriptorType        16                                                        bDevCapabilityType      4                                                        bReserved               0                                                        ContainerID             {f0564b9f-f61d-e011-ac64-0800200c9a66}               Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub                   Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               3.00                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         3                                                        bMaxPacketSize0         9                                                        idVendor           0x1d6b Linux Foundation                                       idProduct          0x0003 3.0 root hub                                           bcdDevice            4.07                                                        iManufacturer           3 Linux 4.7.5+ xhci-hcd                                  iProduct                2 xHCI Host Controller                                   iSerial                 1 xhci-hcd.4.auto                                        bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           31                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0004  1x 4 bytes                                            bInterval              12                                                        bMaxBurst               0                                                Hub Descriptor:                                                                    bLength              12                                                          bDescriptorType      42                                                          nNbrPorts             1                                                          wHubCharacteristic 0x0009                                                          Per-port power switching                                                         Per-port overcurrent protection                                                bPwrOn2PwrGood       10 * 2 milli seconds                                        bHubContrCurrent      0 milli Ampere                                             bHubDecLat          0.0 micro seconds                                            wHubDelay             0 nano seconds                                             DeviceRemovable    0x00                                                         Hub Port Status:                                                                   Port 1: 0000.0203 5Gbps power U0 enable connect                               Binary Object Store Descriptor:                                                    bLength                 5                                                        bDescriptorType        15                                                        wTotalLength           15                                                        bNumDeviceCaps          1                                                        SuperSpeed USB Device Capability:                                                  bLength                10                                                        bDescriptorType        16                                                        bDevCapabilityType      3                                                        bmAttributes         0x02                                                          Latency Tolerance Messages (LTM) Supported                                     wSpeedsSupported   0x0008                                                          Device can operate at SuperSpeed (5Gbps)                                       bFunctionalitySupport   3                                                          Lowest fully-functional device speed is SuperSpeed (5Gbps)                     bU1DevExitLat           0 micro seconds                                          bU2DevExitLat           0 micro seconds                                      Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 003 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub                  Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               2.10                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         2 TT per port                                            bMaxPacketSize0        64                                                        idVendor           0x05e3 Genesys Logic, Inc.                                    idProduct          0x0610 4-port hub                                             bcdDevice           92.22                                                        iManufacturer           1 GenesysLogic                                           iProduct                2 USB2.0 Hub                                             iSerial                 0                                                        bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           41                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower              100mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      1 Single TT                                              iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0001  1x 1 bytes                                            bInterval              12                                                    Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       1                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      2 TT per port                                            iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0001  1x 1 bytes                                            bInterval              12                                                Hub Descriptor:                                                                    bLength               9                                                          bDescriptorType      41                                                          nNbrPorts             2                                                          wHubCharacteristic 0x00e9                                                          Per-port power switching                                                         Per-port overcurrent protection                                                  TT think time 32 FS bits                                                         Port indicators                                                                bPwrOn2PwrGood       50 * 2 milli seconds                                        bHubContrCurrent    100 milli Ampere                                             DeviceRemovable    0x00                                                          PortPwrCtrlMask    0xff                                                         Hub Port Status:                                                                   Port 1: 0000.0100 power                                                          Port 2: 0000.0100 power                                                       Binary Object Store Descriptor:                                                    bLength                 5                                                        bDescriptorType        15                                                        wTotalLength           42                                                        bNumDeviceCaps          3                                                        USB 2.0 Extension Device Capability:                                               bLength                 7                                                        bDescriptorType        16                                                        bDevCapabilityType      2                                                        bmAttributes   0x00000006                                                          Link Power Management (LPM) Supported                                        SuperSpeed USB Device Capability:                                                  bLength                10                                                        bDescriptorType        16                                                        bDevCapabilityType      3                                                        bmAttributes         0x00                                                        wSpeedsSupported   0x000e                                                          Device can operate at Full Speed (12Mbps)                                        Device can operate at High Speed (480Mbps)                                       Device can operate at SuperSpeed (5Gbps)                                       bFunctionalitySupport   1                                                          Lowest fully-functional device speed is Full Speed (12Mbps)                    bU1DevExitLat           8 micro seconds                                          bU2DevExitLat         190 micro seconds                                        Container ID Device Capability:                                                    bLength                20                                                        bDescriptorType        16                                                        bDevCapabilityType      4                                                        bReserved               0                                                        ContainerID             {f0564b9f-f61d-e011-ac64-0800200c9a66}               Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub                   Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               2.00                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         1 Single TT                                              bMaxPacketSize0        64                                                        idVendor           0x1d6b Linux Foundation                                       idProduct          0x0002 2.0 root hub                                           bcdDevice            4.07                                                        iManufacturer           3 Linux 4.7.5+ xhci-hcd                                  iProduct                2 xHCI Host Controller                                   iSerial                 1 xhci-hcd.4.auto                                        bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           25                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0004  1x 4 bytes                                            bInterval              12                                                Hub Descriptor:                                                                    bLength               9                                                          bDescriptorType      41                                                          nNbrPorts             1                                                          wHubCharacteristic 0x0009                                                          Per-port power switching                                                         Per-port overcurrent protection                                                  TT think time 8 FS bits                                                        bPwrOn2PwrGood       10 * 2 milli seconds                                        bHubContrCurrent      0 milli Ampere                                             DeviceRemovable    0x00                                                          PortPwrCtrlMask    0xff                                                         Hub Port Status:                                                                   Port 1: 0000.0507 highspeed power suspend enable connect                      Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub                   Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               1.10                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         0 Full speed (or root) hub                               bMaxPacketSize0        64                                                        idVendor           0x1d6b Linux Foundation                                       idProduct          0x0001 1.1 root hub                                           bcdDevice            4.07                                                        iManufacturer           3 Linux 4.7.5+ ohci_hcd                                  iProduct                2 USB Host Controller                                    iSerial                 1 12120000.usb:                                          bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           25                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0002  1x 2 bytes                                            bInterval             255                                                Hub Descriptor:                                                                    bLength               9                                                          bDescriptorType      41                                                          nNbrPorts             3                                                          wHubCharacteristic 0x0002                                                          No power switching (usb 1.0)                                                     Ganged overcurrent protection                                                  bPwrOn2PwrGood        2 * 2 milli seconds                                        bHubContrCurrent      0 milli Ampere                                             DeviceRemovable    0x00                                                          PortPwrCtrlMask    0xff                                                         Hub Port Status:                                                                   Port 1: 0000.0100 power                                                          Port 2: 0000.0100 power                                                          Port 3: 0000.0100 power                                                       Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub                   Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               2.00                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         0 Full speed (or root) hub                               bMaxPacketSize0        64                                                        idVendor           0x1d6b Linux Foundation                                       idProduct          0x0002 2.0 root hub                                           bcdDevice            4.07                                                        iManufacturer           3 Linux 4.7.5+ ehci_hcd                                  iProduct                2 EHCI Host Controller                                   iSerial                 1 12110000.usb:                                          bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           25                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0004  1x 4 bytes                                            bInterval              12                                                Hub Descriptor:                                                                    bLength               9                                                          bDescriptorType      41                                                          nNbrPorts             3                                                          wHubCharacteristic 0x0009                                                          Per-port power switching                                                         Per-port overcurrent protection                                                bPwrOn2PwrGood       10 * 2 milli seconds                                        bHubContrCurrent      0 milli Ampere                                             DeviceRemovable    0x00                                                          PortPwrCtrlMask    0xff                                                         Hub Port Status:                                                                   Port 1: 0000.0100 power                                                          Port 2: 0000.0100 power                                                          Port 3: 0000.0100 power                                                       Device Status:     0x0001                                                          Self Powered                                                                   ################################ # v4.8.0 lsusb -v ################################ Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub                   Device Descriptor:                                                                 bLength                18                                                        bDescriptorType         1                                                        bcdUSB               3.00                                                        bDeviceClass            9 Hub                                                    bDeviceSubClass         0 Unused                                                 bDeviceProtocol         3                                                        bMaxPacketSize0         9                                                        idVendor           0x1d6b Linux Foundation                                       idProduct          0x0003 3.0 root hub                                           bcdDevice            4.08                                                        iManufacturer           3 Linux 4.8.0+ xhci-hcd                                  iProduct                2 xHCI Host Controller                                   iSerial                 1 xhci-hcd.5.auto                                        bNumConfigurations      1                                                        Configuration Descriptor:                                                          bLength                 9                                                        bDescriptorType         2                                                        wTotalLength           31                                                        bNumInterfaces          1                                                        bConfigurationValue     1                                                        iConfiguration          0                                                        bmAttributes         0xe0                                                          Self Powered                                                                     Remote Wakeup                                                                  MaxPower                0mA                                                      Interface Descriptor:                                                              bLength                 9                                                        bDescriptorType         4                                                        bInterfaceNumber        0                                                        bAlternateSetting       0                                                        bNumEndpoints           1                                                        bInterfaceClass         9 Hub                                                    bInterfaceSubClass      0 Unused                                                 bInterfaceProtocol      0 Full speed (or root) hub                               iInterface              0                                                        Endpoint Descriptor:                                                               bLength                 7                                                        bDescriptorType         5                                                        bEndpointAddress     0x81  EP 1 IN                                               bmAttributes            3                                                          Transfer Type            Interrupt                                               Synch Type               None                                                    Usage Type               Data                                                  wMaxPacketSize     0x0004  1x 4 bytes                                            bInterval              12                                                        bMaxBurst               0                                                Hub Descriptor:                                                                    bLength              12                                                          bDescriptorType      42                                                          nNbrPorts             1                                                          wHubCharacteristic 0x0009                                                          Per-port power switching                                                         Per-port overcurrent protection                                                bPwrOn2PwrGood       10 * 2 milli seconds                                        bHubContrCurrent      0 milli Ampere                                             bHubDecLat          0.0 micro seconds                                            wHubDelay             0 nano seconds                                             DeviceRemovable    0x00                                                         Hub Port Status:                                                                   Port 1: 0000.02a0 5Gbps power Rx.Detect                                       Binary Object Store Descriptor:                                                    bLength                 5                                                        bDescriptorType        15                                                        wTotalLength           15                                                        bNumDeviceCaps          1                                                        SuperSpeed USB Device Capability:                                                  bLength                10                                                        bDescriptorType        16                                                        bDevCapabilityType      3                                                        bmAttributes         0x02                                                          Latency Tolerance Messages (LTM) Supported                                     wSpeedsSupported   0x0008                                                          Device can operate at SuperSpeed (5Gbps)                                       bFunctionalitySupport   3                                                          Lowest fully-functional device speed is SuperSpeed (5Gbps)                     bU1DevExitLat           0 micro seconds                                          bU2DevExitLat           0 micro seconds                                      Device Status:     0x0001                                                          Self Powered                                                                                                                                                    Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub << lsusb hangs here, system is completely blocked >> > > > Best regards > Vivek > Best regards Michael