Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933123Ab0BYRrG (ORCPT ); Thu, 25 Feb 2010 12:47:06 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:42378 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S933099Ab0BYRrE (ORCPT ); Thu, 25 Feb 2010 12:47:04 -0500 Date: Thu, 25 Feb 2010 12:46:59 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: =?ISO-8859-1?Q?=C1kos_Mar=F3y?= cc: Sarah Sharp , "Rafael J. Wysocki" , Kernel development list , Greg KH , USB list Subject: Re: pm_op(): usb_dev_suspend+0x0/0x10 returns -2 on USB device 8087:0020 In-Reply-To: <4B86A8AB.2050604@maroy.hu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 12151 Lines: 267 On Thu, 25 Feb 2010, ?kos Mar?y wrote: > > By the way, I noticed above that you have xhci-hcd installed. As far > > as I know, that driver does not yet support system suspend. You should > > try unloading xhci-hcd before doing the suspend (both with and without > > CONFIG_USB_DEBUG). > > wow, rmmod xhci - and the suspend goes through fine! > > what is this xhci thing anyway? It is the driver for USB-3.0 controllers. It's relatively new and not as mature as the USB-2.0 drivers. I'm a little surprised that it is running on your system. Why would you have USB-3.0 hardware? > > These separate issues deserve to be investigated more closely. The USB > > stack is not supposed to be that fragile. Describe your environment > > more fully and provide the dmesg log from a kernel with > > CONFIG_USB_DEBUG enabled showing what happens during the experiments. > > indeed. interestingly, xhci may be the culprit, as without xhci, the > external DVD doesn't even register at all. > > loadind xhci, I get: > > Feb 25 17:33:50 tonkachi kernel: [ 168.203418] xhci_hcd 0000:02:00.0: > PCI INT A -> GSI 16 (level, low) -> IRQ 16 > Feb 25 17:33:50 tonkachi kernel: [ 168.203568] xhci_hcd 0000:02:00.0: > xHCI Host Controller > Feb 25 17:33:50 tonkachi kernel: [ 168.203689] xhci_hcd 0000:02:00.0: > new USB bus registered, assigned bus number 2 > Feb 25 17:33:50 tonkachi kernel: [ 168.203832] xhci_hcd 0000:02:00.0: > irq 16, io mem 0xd4000000 > Feb 25 17:33:50 tonkachi kernel: [ 168.203875] usb usb2: config 1 > interface 0 altsetting 0 endpoint 0x81 has no SuperSpeed companion > descriptor > Feb 25 17:33:50 tonkachi kernel: [ 168.203912] usb usb2: New USB device > found, idVendor=1d6b, idProduct=0002 > Feb 25 17:33:50 tonkachi kernel: [ 168.203919] usb usb2: New USB device > strings: Mfr=3, Product=2, SerialNumber=1 > Feb 25 17:33:50 tonkachi kernel: [ 168.203925] usb usb2: Product: xHCI > Host Controller > Feb 25 17:33:50 tonkachi kernel: [ 168.203931] usb usb2: Manufacturer: > Linux 2.6.32.8-usb-debug xhci_hcd > Feb 25 17:33:50 tonkachi kernel: [ 168.203937] usb usb2: SerialNumber: > 0000:02:00.0 > Feb 25 17:33:50 tonkachi kernel: [ 168.204089] usb usb2: configuration > #1 chosen from 1 choice > Feb 25 17:33:50 tonkachi kernel: [ 168.204198] hub 2-0:1.0: USB hub found > Feb 25 17:33:50 tonkachi kernel: [ 168.204213] hub 2-0:1.0: 4 ports > detected > > > plugging in the USB DVD drive, there's a system 'freeze' for about 5 > seconds (nothing is responding, not even caps lock), then I get in syslog: > > Feb 25 17:34:39 tonkachi kernel: [ 217.433960] Registered led device: > iwl-phy0::radio > Feb 25 17:34:39 tonkachi kernel: [ 217.433990] Registered led device: > iwl-phy0::assoc > Feb 25 17:34:39 tonkachi kernel: [ 217.434020] Registered led device: > iwl-phy0::RX > Feb 25 17:34:39 tonkachi kernel: [ 217.434045] Registered led device: > iwl-phy0::TX > Feb 25 17:34:39 tonkachi kernel: [ 217.463366] usb 2-4: new high speed > USB device using xhci_hcd and address 0 > Feb 25 17:34:39 tonkachi kernel: [ 217.485828] usb 2-4: New USB device > found, idVendor=058f, idProduct=6254 > Feb 25 17:34:39 tonkachi kernel: [ 217.485834] usb 2-4: New USB device > strings: Mfr=0, Product=0, SerialNumber=0 > Feb 25 17:34:39 tonkachi kernel: [ 217.485949] usb 2-4: configuration > #1 chosen from 1 choice > Feb 25 17:34:39 tonkachi kernel: [ 217.485963] usb 2-4: ep 0x81 - > rounding interval to 2048 microframes > Feb 25 17:34:39 tonkachi kernel: [ 217.487002] hub 2-4:1.0: USB hub found > Feb 25 17:34:39 tonkachi kernel: [ 217.487502] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:34:39 tonkachi kernel: [ 217.487533] hub 2-4:1.0: 3 ports > detected > Feb 25 17:34:40 tonkachi kernel: [ 217.782947] usb 2-4.1: new high > speed USB device using xhci_hcd and address 0 > Feb 25 17:34:40 tonkachi kernel: [ 217.806372] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:34:40 tonkachi kernel: [ 217.807238] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:34:40 tonkachi kernel: [ 217.808106] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:34:40 tonkachi kernel: [ 217.808996] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:34:40 tonkachi kernel: [ 217.809420] usb 2-4.1: New USB > device found, idVendor=152d, idProduct=2339 > Feb 25 17:34:40 tonkachi kernel: [ 217.809425] usb 2-4.1: New USB > device strings: Mfr=1, Product=2, SerialNumber=5 > Feb 25 17:34:40 tonkachi kernel: [ 217.809430] usb 2-4.1: Product: USB > to ATA/ATAPI Bridge > Feb 25 17:34:40 tonkachi kernel: [ 217.809434] usb 2-4.1: Manufacturer: > JMicron > Feb 25 17:34:40 tonkachi kernel: [ 217.809437] usb 2-4.1: SerialNumber: > 6A1713351FFF > Feb 25 17:34:40 tonkachi kernel: [ 217.809574] usb 2-4.1: configuration > #1 chosen from 1 choice > Feb 25 17:34:40 tonkachi kernel: [ 217.811213] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:34:40 tonkachi kernel: [ 217.812078] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:34:40 tonkachi kernel: [ 217.840485] Initializing USB Mass > Storage driver... > Feb 25 17:34:40 tonkachi kernel: [ 217.840664] scsi6 : SCSI emulation > for USB Mass Storage devices > Feb 25 17:34:40 tonkachi kernel: [ 217.840795] usbcore: registered new > interface driver usb-storage > Feb 25 17:34:40 tonkachi kernel: [ 217.840800] USB Mass Storage support > registered. > Feb 25 17:34:45 tonkachi kernel: [ 222.833493] scsi 6:0:0:0: CD-ROM > hp DVDRAM GT20L DC05 PQ: 0 ANSI: 0 > Feb 25 17:34:45 tonkachi kernel: [ 222.846361] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > Feb 25 17:34:45 tonkachi kernel: [ 222.847589] sr0: scsi3-mmc drive: > 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray > Feb 25 17:34:45 tonkachi kernel: [ 222.847597] Uniform CD-ROM driver > Revision: 3.20 > Feb 25 17:34:45 tonkachi kernel: [ 222.849281] sr 6:0:0:0: Attached > scsi generic sg2 type 5 > Feb 25 17:34:45 tonkachi kernel: [ 222.958589] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > > > now, I unplug the USB DVD drive: > > Feb 25 17:35:38 tonkachi kernel: [ 276.374282] xhci_hcd 0000:02:00.0: > WARN: transfer error on endpoint > Feb 25 17:35:39 tonkachi kernel: [ 276.728151] xhci_hcd 0000:02:00.0: > WARN: transfer error on endpoint > Feb 25 17:35:39 tonkachi kernel: [ 276.728819] xhci_hcd 0000:02:00.0: > WARN: transfer error on endpoint > > > I plug it back in, with a DVD in the drive: > > Feb 25 17:41:21 tonkachi kernel: [ 618.701586] Registered led device: > iwl-phy0::radio > Feb 25 17:41:21 tonkachi kernel: [ 618.701619] Registered led device: > iwl-phy0::assoc > Feb 25 17:41:21 tonkachi kernel: [ 618.701649] Registered led device: > iwl-phy0::RX > Feb 25 17:41:21 tonkachi kernel: [ 618.701674] Registered led device: > iwl-phy0::TX > Feb 25 17:41:21 tonkachi kernel: [ 618.719536] usb 2-3: new high speed > USB device using xhci_hcd and address 0 > Feb 25 17:41:21 tonkachi kernel: [ 618.742028] usb 2-3: New USB device > found, idVendor=058f, idProduct=6254 > Feb 25 17:41:21 tonkachi kernel: [ 618.742034] usb 2-3: New USB device > strings: Mfr=0, Product=0, SerialNumber=0 > Feb 25 17:41:21 tonkachi kernel: [ 618.742155] usb 2-3: configuration > #1 chosen from 1 choice > Feb 25 17:41:21 tonkachi kernel: [ 618.742168] usb 2-3: ep 0x81 - > rounding interval to 2048 microframes > Feb 25 17:41:21 tonkachi kernel: [ 618.743316] hub 2-3:1.0: USB hub found > Feb 25 17:41:21 tonkachi kernel: [ 618.743794] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:41:21 tonkachi kernel: [ 618.743830] hub 2-3:1.0: 3 ports > detected > Feb 25 17:41:21 tonkachi kernel: [ 619.045944] usb 2-3.1: new high > speed USB device using xhci_hcd and address 0 > Feb 25 17:41:21 tonkachi kernel: [ 619.069424] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:41:21 tonkachi kernel: [ 619.070295] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:41:21 tonkachi kernel: [ 619.071173] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:41:21 tonkachi kernel: [ 619.072042] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:41:21 tonkachi kernel: [ 619.072398] usb 2-3.1: New USB > device found, idVendor=152d, idProduct=2339 > Feb 25 17:41:21 tonkachi kernel: [ 619.072404] usb 2-3.1: New USB > device strings: Mfr=1, Product=2, SerialNumber=5 > Feb 25 17:41:21 tonkachi kernel: [ 619.072408] usb 2-3.1: Product: USB > to ATA/ATAPI Bridge > Feb 25 17:41:21 tonkachi kernel: [ 619.072412] usb 2-3.1: Manufacturer: > JMicron > Feb 25 17:41:21 tonkachi kernel: [ 619.072416] usb 2-3.1: SerialNumber: > 6A1713351FFF > Feb 25 17:41:21 tonkachi kernel: [ 619.072530] usb 2-3.1: configuration > #1 chosen from 1 choice > Feb 25 17:41:21 tonkachi kernel: [ 619.074124] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:41:21 tonkachi kernel: [ 619.074999] xhci_hcd 0000:02:00.0: > WARN: short transfer on control ep > Feb 25 17:41:21 tonkachi kernel: [ 619.075559] scsi7 : SCSI emulation > for USB Mass Storage devices > > > > Feb 25 17:41:26 tonkachi kernel: [ 624.073472] scsi 7:0:0:0: CD-ROM > hp DVDRAM GT20L DC05 PQ: 0 ANSI: 0 > Feb 25 17:41:26 tonkachi kernel: [ 624.086041] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > Feb 25 17:41:26 tonkachi kernel: [ 624.087393] sr0: scsi3-mmc drive: > 62x/62x writer dvd-ram cd/rw xa/form2 cdda tray > Feb 25 17:41:26 tonkachi kernel: [ 624.088377] sr 7:0:0:0: Attached > scsi generic sg2 type 5 > Feb 25 17:41:26 tonkachi kernel: [ 624.118679] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > Feb 25 17:41:29 tonkachi kernel: [ 626.883451] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > Feb 25 17:41:29 tonkachi kernel: [ 626.915739] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > Feb 25 17:41:29 tonkachi kernel: [ 627.147000] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > Feb 25 17:41:29 tonkachi kernel: [ 627.270741] xhci_hcd 0000:02:00.0: > WARN: Stalled endpoint > > > unplug: > > Feb 25 17:42:05 tonkachi kernel: [ 663.327552] xhci_hcd 0000:02:00.0: > WARN: transfer error on endpoint > Feb 25 17:42:06 tonkachi kernel: [ 663.364546] xhci_hcd 0000:02:00.0: > WARN: transfer error on endpoint > Feb 25 17:42:06 tonkachi kernel: [ 663.365228] xhci_hcd 0000:02:00.0: > WARN: transfer error on endpoint > Feb 25 17:42:10 tonkachi kernel: [ 667.360714] VFS: busy inodes on > changed media or resized disk sr0 > Feb 25 17:42:10 tonkachi kernel: [ 667.360956] VFS: busy inodes on > changed media or resized disk sr0 > Feb 25 17:42:10 tonkachi kernel: [ 667.361101] VFS: busy inodes on > changed media or resized disk sr0 > Feb 25 17:42:10 tonkachi kernel: [ 667.362264] VFS: busy inodes on > changed media or resized disk sr0 > Feb 25 17:42:10 tonkachi kernel: [ 667.363730] VFS: busy inodes on > changed media or resized disk sr0 > Feb 25 17:42:10 tonkachi kernel: [ 667.377669] VFS: busy inodes on > changed media or resized disk sr0 > Feb 25 17:42:10 tonkachi kernel: [ 667.377910] VFS: busy inodes on > changed media or resized disk sr0 > Feb 25 17:42:10 tonkachi kernel: [ 667.378158] VFS: busy inodes on > changed media or resized disk sr0 > > > > plug back in: > > Feb 25 17:42:50 tonkachi kernel: [ 707.759089] Registered led device: > iwl-phy0::radio > Feb 25 17:42:50 tonkachi kernel: [ 707.759179] Registered led device: > iwl-phy0::assoc > Feb 25 17:42:50 tonkachi kernel: [ 707.759412] Registered led device: > iwl-phy0::RX > Feb 25 17:42:50 tonkachi kernel: [ 707.759572] Registered led device: > iwl-phy0::TX > > > > but the disk does not register anymore :( This is something Sarah should look into. She's the main developer behind xhci-hcd. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/