Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751273AbdIPEYm (ORCPT ); Sat, 16 Sep 2017 00:24:42 -0400 Received: from tk.zumbi.com.ar ([106.185.28.14]:48914 "EHLO tk.zumbi.com.ar" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750796AbdIPEYk (ORCPT ); Sat, 16 Sep 2017 00:24:40 -0400 Date: Sat, 16 Sep 2017 12:24:04 +0800 From: gustavo panizzo To: Felipe Balbi , Baolin Wang , Greg KH , USB , LKML , stable@vger.kernel.org, Brian Kim Subject: Re: [PATCH] usb: dwc3: Fix the USB 3.0 hub detection bug after warm boot Message-ID: <20170916042404.i2snvrpjigipdwhj@gpanizzo.laptop.office.chorus> References: <20170712035238.27554-1-gfa@zumbi.com.ar> <20170712232026.77hznul754yiovfm@zumbi.com.ar> <20170721140544.j4obgspw7mcyikw5@zumbi.com.ar> <87h8y240vc.fsf@linux.intel.com> <20170729235303.p4b7ga7ubplreof4@zumbi.com.ar> <20170907065123.pkan4cqvynpqpsp2@gpanizzo.laptop.office.chorus> <871snipyrw.fsf@linux.intel.com> <20170915090059.otw4sbwefm6nsxxg@gpanizzo.laptop.office.chorus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20170915090059.otw4sbwefm6nsxxg@gpanizzo.laptop.office.chorus> X-PGP-Key: https://blog.zumbi.com.ar/posts/my-public-gpg-key/44BB1BA79F6C6333.asc User-Agent: NeoMutt/20170914 (1.9.0) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 54239 Lines: 1116 Hello On Fri, Sep 15, 2017 at 09:01:13AM +0000, gustavo panizzo wrote: >Hello > >On Thu, Sep 07, 2017 at 01:51:31PM +0300, Felipe Balbi wrote: >> >>Hi, >> >>gustavo panizzo writes: >>>>>>>>>>--- >>>>>>>>>>drivers/usb/dwc3/core.c | 33 +++++++++++++++++++++++++++++++++ >>>>>>>>>>1 file changed, 33 insertions(+) >>>>>>>>>> >>>>>>>>>>diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c >>>>>>>>>>index 326b302fc440..f92dfe213d89 100644 >>>>>>>>>>--- a/drivers/usb/dwc3/core.c >>>>>>>>>>+++ b/drivers/usb/dwc3/core.c >>>>>>>>>>@@ -1259,6 +1259,38 @@ static int dwc3_probe(struct platform_device >>>>>>>>>>*pdev) >>>>>>>>>> return ret; >>>>>>>>>>} >>>>>>>>>> >>>>>>>>>>+static void dwc3_shutdown(struct platform_device *pdev) >>>>>>>>>>+{ >>>>>>>>>>+ struct dwc3 *dwc = platform_get_drvdata(pdev); >>>>>>>>>>+ struct resource *res = platform_get_resource(pdev, >>>>>>>>>>IORESOURCE_MEM, 0); >>>>>>>>>>+ >>>>>>>>>>+ pm_runtime_get_sync(&pdev->dev); >>>>>>>>>>+ /* >>>>>>>>>>+ * restore res->start back to its original value so that, in case >>>>>>>>>>the >>>>>>>>>>+ * probe is deferred, we don't end up getting error in request >>>>>>>>>>the >>>>>>>>>>+ * memory region the next time probe is called. >>>>>>>>>>+ */ >>>>>>>>>>+ res->start -= DWC3_GLOBALS_REGS_START; >>>>>>>>>>+ >>>>>>>>>>+ dwc3_debugfs_exit(dwc); >>>>>>>>>>+ dwc3_core_exit_mode(dwc); >>>>>>>>>>+ dwc3_event_buffers_cleanup(dwc); >>>>>>>> >>>>>>>> >>>>>>>>What about dwc3_event_buffers_cleanup? should I remove it from >>>>>>>>dwc3_shutdown()? >>>>>>>>It is already in dwc3_core_exit() >>>>>>> >>>>>>>I think so. We should avoid duplicate code. >>>>>>> >>>>>>>>>>+ dwc3_free_event_buffers(dwc); >>>>>>>>>>+ >>>>>>>>>>+ usb_phy_set_suspend(dwc->usb2_phy, 1); >>>>>>>>>>+ usb_phy_set_suspend(dwc->usb3_phy, 1); >>>>>>>>>>+ >>>>>>>>>>+ phy_power_off(dwc->usb2_generic_phy); >>>>>>>>>>+ phy_power_off(dwc->usb3_generic_phy); >>>>>>>>> >>>>>>>>> >>>>>>>>>We've done these in dwc3_core_exit(). >>>>>> >>>>>>This is the patch after testing on a Odroid XU4, on top of linux-next >>>>>>964bcc1b4f57028d56dace7d9bc5924f2eb43f36 which translates to 4.13.0-rc1-next-20170717+ >>>>>>I tested this patch for a week without problems with heavy USB and NIC usage. >>>>>>Please consider merging it >>> >>>Author: Brian Kim >>>Date: Wed Jul 12 11:26:55 2017 +0800 >>> >>> usb: dwc3: Fix the USB 3.0 hub detection bug after warm boot >>> The dwc3 could not release resources when the module is built-in >>> because this module does not have shutdown method. This causes the USB >>> 3.0 hub is not able to detect after warm boot. >>> Original patch by Brian Kim, updated and submitted upstream by gustavo >>> panizzo. >>> Also see https://bugs.debian.org/843448 >>> Signed-off-by: Brian Kim >>> Signed-off-by: gustavo panizzo >>> >>>diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c >>>index 326b302fc440..09de37d47ee7 100644 >>>--- a/drivers/usb/dwc3/core.c >>>+++ b/drivers/usb/dwc3/core.c >>>@@ -1259,6 +1259,32 @@ static int dwc3_probe(struct platform_device *pdev) >>> return ret; >>>} >>> >>>+static void dwc3_shutdown(struct platform_device *pdev) >>>+{ >>>+ struct dwc3 *dwc = platform_get_drvdata(pdev); >>>+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); >>>+ >>>+ pm_runtime_get_sync(&pdev->dev); >>>+ /* >>>+ * restore res->start back to its original value so that, in case the >>>+ * probe is deferred, we don't end up getting error in request the >>>+ * memory region the next time probe is called. >>>+ */ >>>+ res->start -= DWC3_GLOBALS_REGS_START; >>>+ >>>+ dwc3_debugfs_exit(dwc); >>>+ dwc3_core_exit_mode(dwc); >>>+ dwc3_event_buffers_cleanup(dwc); >>>+ dwc3_free_event_buffers(dwc); >>>+ >>>+ dwc3_core_exit(dwc); >>>+ dwc3_ulpi_exit(dwc); >>>+ >>>+ pm_runtime_put_sync(&pdev->dev); >>>+ pm_runtime_allow(&pdev->dev); >>>+ pm_runtime_disable(&pdev->dev); >>>+} >>>+ >>>static int dwc3_remove(struct platform_device *pdev) >>>{ >>> struct dwc3 *dwc = platform_get_drvdata(pdev); >>>@@ -1488,6 +1514,7 @@ MODULE_DEVICE_TABLE(acpi, dwc3_acpi_match); >>>static struct platform_driver dwc3_driver = { >>> .probe = dwc3_probe, >>> .remove = dwc3_remove, >>>+ .shutdown = dwc3_shutdown, >>> .driver = { >>> .name = "dwc3", >>> .of_match_table = of_match_ptr(of_dwc3_match), >>> >>>Patch applies cleanly on top of c6be5a0e3cebc145127d46a58350e05d2bcf6323 from linux-next >>>Can you _please_ merge it? >> >>why are you upset? You didn't do the changes I requested until now. It's > >I'm not upset > >>too late for v4.14 merge window and you didn't even send this as a >>proper patch. I also have no evidence that you've been testing mainline >>kernel, the commits you pointed me to are against a v4.9 vendor kernel. > >the commit i sent was tested, and is still running, on top linux-next >964bcc1b4f57028d56dace7d9bc5924f2eb43f36, which gives an uname -r >4.13.0-rc1-next-20170717+ > > >> >>Test this against a vanilla tree (v4.13 was tagged days ago) and give me >>logs showing the problem without your commit. the patch does not work on top of 4.13.0 :( could you draft a patch i can test? thanks > >dmesg on top of 4.13.0 > >[ 0.000000] Booting Linux on physical CPU 0x100 >[ 0.000000] random: get_random_bytes called from start_kernel+0x44/0x460 with crng_init=0 >[ 0.000000] Linux version 4.13.0 (root@odroid) (gcc version 6.3.0 20170516 (Debian 6.3.0-18)) #4 SMP Thu Sep 14 21:26:18 UTC 2017 >[ 0.000000] CPU: ARMv7 Processor [410fc073] revision 3 (ARMv7), cr=30c5387d >[ 0.000000] CPU: div instructions available: patching division code >[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache >[ 0.000000] OF: fdt: Machine model: Hardkernel Odroid XU4 >[ 0.000000] Memory policy: Data cache writealloc >[ 0.000000] efi: Getting EFI parameters from FDT: >[ 0.000000] efi: UEFI not found. >[ 0.000000] cma: Reserved 16 MiB at 0x00000000bd800000 >[ 0.000000] Samsung CPU ID: 0xe5422001 >[ 0.000000] On node 0 totalpages: 518656 >[ 0.000000] free_area_init_node: node 0, pgdat c10eca40, node_mem_map eee1c000 >[ 0.000000] DMA zone: 1728 pages used for memmap >[ 0.000000] DMA zone: 0 pages reserved >[ 0.000000] DMA zone: 196608 pages, LIFO batch:31 >[ 0.000000] HighMem zone: 322048 pages, LIFO batch:31 >[ 0.000000] Running under secure firmware. >[ 0.000000] percpu: Embedded 17 pages/cpu @eed63000 s37388 r8192 d24052 u69632 >[ 0.000000] pcpu-alloc: s37388 r8192 d24052 u69632 alloc=17*4096 >[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5 [0] 6 >[0] 7 [ 0.000000] Built 1 zonelists in Zone order, mobility >grouping on. Total pages: 516928 >[ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.13.0 root=UUID=e324fffe-f424-4409-952b-c3d1dcf5d4e4 ro quiet >[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) >[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) >[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) >[ 0.000000] Memory: 2005484K/2074624K available (8192K kernel code, 1055K rwdata, 2368K rodata, 2048K init, 340K bss, 52756K reserved, 16384K cma-reserved, 1271808K highmem) >[ 0.000000] Virtual kernel memory layout: > vector : 0xffff0000 - 0xffff1000 ( 4 kB) > fixmap : 0xffc00000 - 0xfff00000 (3072 kB) > vmalloc : 0xf0800000 - 0xff800000 ( 240 MB) > lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) > pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) > modules : 0xbf000000 - 0xbfe00000 ( 14 MB) > .text : 0xc0008000 - 0xc0a00000 (10208 kB) > .init : 0xc0e00000 - 0xc1000000 (2048 kB) > .data : 0xc1000000 - 0xc1107eac (1056 kB) > .bss : 0xc110e9c4 - 0xc1163ce4 ( 341 kB) >[ 0.000000] ftrace: allocating 31309 entries in 92 pages >[ 0.000000] Hierarchical RCU implementation. >[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 >[ 0.000000] GIC: Using split EOI/Deactivate mode >[ 0.000000] Switching to timer-based delay loop, resolution 41ns >[ 0.000000] clocksource: mct-frc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns >[ 0.000008] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns >[ 0.006455] Console: colour dummy device 80x30 >[ 0.006475] console [tty0] enabled >[ 0.006506] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000) >[ 0.006521] pid_max: default: 32768 minimum: 301 >[ 0.006829] Security Framework initialized >[ 0.006841] Yama: becoming mindful. >[ 0.006876] AppArmor: AppArmor disabled by boot time parameter >[ 0.006983] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) >[ 0.007001] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) >[ 0.007920] CPU: Testing write buffer coherency: ok >[ 0.008736] CPU0: update cpu_capacity 448 >[ 0.008746] CPU0: thread -1, cpu 0, socket 1, mpidr 80000100 >[ 0.009397] Setting up static identity map for 0x40200000 - 0x402000a0 >[ 0.010118] ARM CCI driver probed >[ 0.010343] Exynos MCPM support installed >[ 0.012614] Hierarchical SRCU implementation. >[ 0.016815] EFI services will not be available. >[ 0.017248] smp: Bringing up secondary CPUs ... >[ 0.018312] CPU1: update cpu_capacity 448 >[ 0.018321] CPU1: thread -1, cpu 1, socket 1, mpidr 80000101 >[ 0.019423] CPU2: update cpu_capacity 448 >[ 0.019431] CPU2: thread -1, cpu 2, socket 1, mpidr 80000102 >[ 0.020586] CPU3: update cpu_capacity 448 >[ 0.020594] CPU3: thread -1, cpu 3, socket 1, mpidr 80000103 >[ 0.021655] CPU4: update cpu_capacity 1535 >[ 0.021665] CPU4: thread -1, cpu 0, socket 0, mpidr 80000000 >[ 0.022740] CPU5: update cpu_capacity 1535 >[ 0.022749] CPU5: thread -1, cpu 1, socket 0, mpidr 80000001 >[ 0.023829] CPU6: update cpu_capacity 1535 >[ 0.023837] CPU6: thread -1, cpu 2, socket 0, mpidr 80000002 >[ 0.024886] CPU7: update cpu_capacity 1535 >[ 0.024895] CPU7: thread -1, cpu 3, socket 0, mpidr 80000003 >[ 0.025038] smp: Brought up 1 node, 8 CPUs >[ 0.025053] SMP: Total of 8 processors activated (384.00 BogoMIPS). >[ 0.025060] CPU: WARNING: CPU(s) started in wrong/inconsistent modes (primary CPU mode 0x1a) >[ 0.025065] CPU: This may indicate a broken bootloader or firmware. >[ 0.026740] devtmpfs: initialized >[ 0.050057] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 3 >[ 0.050507] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns >[ 0.050532] futex hash table entries: 2048 (order: 5, 131072 bytes) >[ 0.052020] pinctrl core: initialized pinctrl subsystem >[ 0.054772] DMI not present or invalid. >[ 0.055272] NET: Registered protocol family 16 >[ 0.058522] DMA: preallocated 256 KiB pool for atomic coherent allocations >[ 0.064450] No ATAGs? >[ 0.064785] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. >[ 0.064793] hw-breakpoint: maximum watchpoint size is 8 bytes. >[ 0.066408] Serial: AMBA PL011 UART driver >[ 0.107099] EXYNOS5420 PMU initialized >[ 0.134115] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages >[ 0.144822] vgaarb: loaded >[ 0.146364] s3c-i2c 12c80000.i2c: slave address 0x00 >[ 0.146379] s3c-i2c 12c80000.i2c: bus frequency set to 65 KHz >[ 0.146942] s3c-i2c 12c80000.i2c: i2c-2: S3C I2C adapter >[ 0.147966] media: Linux media interface: v0.10 >[ 0.148032] Linux video capture interface: v2.00 >[ 0.148127] pps_core: LinuxPPS API ver. 1 registered >[ 0.148133] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti >[ 0.148158] PTP clock support registered >[ 0.148335] dmi: Firmware registration failed. >[ 0.150575] clocksource: Switched to clocksource mct-frc >[ 0.235367] VFS: Disk quotas dquot_6.6.0 >[ 0.235492] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) >[ 0.255329] NET: Registered protocol family 2 >[ 0.256327] TCP established hash table entries: 8192 (order: 3, 32768 bytes) >[ 0.256440] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) >[ 0.256618] TCP: Hash tables configured (established 8192 bind 8192) >[ 0.256862] UDP hash table entries: 512 (order: 2, 16384 bytes) >[ 0.256912] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) >[ 0.257350] NET: Registered protocol family 1 >[ 0.257393] PCI: CLS 0 bytes, default 64 >[ 0.258066] Unpacking initramfs... >[ 1.711221] Freeing initrd memory: 17084K >[ 1.711423] kvm [1]: HYP mode not available >[ 1.715471] audit: initializing netlink subsys (disabled) >[ 1.715807] audit: type=2000 audit(1.715:1): state=initialized audit_enabled=0 res=1 >[ 1.716609] workingset: timestamp_bits=14 max_order=19 bucket_order=5 >[ 1.717069] zbud: loaded >[ 1.718197] random: fast init done >[ 1.740653] bounce: pool size: 64 pages >[ 1.740756] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) >[ 1.740993] io scheduler noop registered >[ 1.741001] io scheduler deadline registered >[ 1.741117] io scheduler cfq registered (default) >[ 1.741124] io scheduler mq-deadline registered >[ 1.741130] io scheduler kyber registered >[ 1.765856] dma-pl330 121a0000.pdma: Loaded driver for PL330 DMAC-241330 >[ 1.765872] dma-pl330 121a0000.pdma: DBUFF-32x4bytes Num_Chans-8 Num_Peri-32 Num_Events-32 >[ 1.770478] dma-pl330 121b0000.pdma: Loaded driver for PL330 DMAC-241330 >[ 1.770491] dma-pl330 121b0000.pdma: DBUFF-32x4bytes Num_Chans-8 Num_Peri-32 Num_Events-32 >[ 1.772124] dma-pl330 10800000.mdma: Loaded driver for PL330 DMAC-241330 >[ 1.772138] dma-pl330 10800000.mdma: DBUFF-64x8bytes Num_Chans-8 Num_Peri-1 Num_Events-32 >[ 1.775853] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled >[ 1.778995] Serial: AMBA driver >[ 1.779324] 12c00000.serial: ttySAC0 at MMIO 0x12c00000 (irq = 58, base_baud = 0) is a S3C6400/10 >[ 1.779883] 12c10000.serial: ttySAC1 at MMIO 0x12c10000 (irq = 59, base_baud = 0) is a S3C6400/10 >[ 1.780402] 12c20000.serial: ttySAC2 at MMIO 0x12c20000 (irq = 60, base_baud = 0) is a S3C6400/10 >[ 1.787604] console [ttySAC2] enabled >[ 1.788182] 12c30000.serial: ttySAC3 at MMIO 0x12c30000 (irq = 61, base_baud = 0) is a S3C6400/10 >[ 1.794995] libphy: Fixed MDIO Bus: probed >[ 1.796596] mousedev: PS/2 mouse device common for all mice >[ 1.807034] ledtrig-cpu: registered to indicate activity on CPUs >[ 1.808763] NET: Registered protocol family 10 >[ 1.809956] Segment Routing with IPv6 >[ 1.810030] mip6: Mobile IPv6 >[ 1.810045] NET: Registered protocol family 17 >[ 1.810062] mpls_gso: MPLS GSO support >[ 1.810793] ThumbEE CPU extension supported. >[ 1.810809] Registering SWP/SWPB emulation handler >[ 1.811731] registered taskstats version 1 >[ 1.811847] zswap: loaded using pool lzo/zbud >[ 1.812365] ima: No TPM chip found, activating TPM-bypass! (rc=-19) >[ 1.847540] hctosys: unable to open rtc device (rtc0) >[ 1.847552] sr_init: No PMIC hook to init smartreflex >[ 1.848009] sr_init: platform driver register failed for SR >[ 1.852373] PM: Hibernation image not present or could not be loaded. >[ 1.857892] Freeing unused kernel memory: 2048K >[ 2.186876] exynos5_usb3drd_phy 12100000.phy: 12100000.phy supply vbus not found, using dummy regulator >[ 2.186977] exynos5_usb3drd_phy 12100000.phy: 12100000.phy supply vbus-boost not found, using dummy regulator >[ 2.187954] samsung-usb2-phy 12130000.phy: 12130000.phy supply vbus not found, using dummy regulator >[ 2.191779] exynos5_usb3drd_phy 12500000.phy: 12500000.phy supply vbus not found, using dummy regulator >[ 2.191888] exynos5_usb3drd_phy 12500000.phy: 12500000.phy supply vbus-boost not found, using dummy regulator >[ 2.192403] usbcore: registered new interface driver usbfs >[ 2.192536] usbcore: registered new interface driver hub >[ 2.192842] Synopsys Designware Multimedia Card Interface Driver >[ 2.196551] usbcore: registered new device driver usb >[ 2.198835] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver >[ 2.199667] ehci-exynos: EHCI EXYNOS driver >[ 2.199899] dwmmc_exynos 12200000.mmc: IDMAC supports 32-bit address mode. >[ 2.201019] dwmmc_exynos 12200000.mmc: Using internal DMA controller. >[ 2.201040] dwmmc_exynos 12200000.mmc: Version ID is 250a >[ 2.201111] dwmmc_exynos 12200000.mmc: DW MMC controller at irq 73,64 bit host data width,64 deep fifo >[ 2.201571] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver >[ 2.201985] dwmmc_exynos 12220000.mmc: IDMAC supports 32-bit address mode. >[ 2.202226] dwmmc_exynos 12220000.mmc: Using internal DMA controller. >[ 2.202244] dwmmc_exynos 12220000.mmc: Version ID is 250a >[ 2.202300] dwmmc_exynos 12220000.mmc: DW MMC controller at irq 74,64 bit host data width,64 deep fifo >[ 2.202845] ohci-exynos: OHCI EXYNOS driver >[ 2.202903] exynos-ehci 12110000.usb: EHCI Host Controller >[ 2.202946] exynos-ehci 12110000.usb: new USB bus registered, assigned bus number 1 >[ 2.203715] exynos-ehci 12110000.usb: irq 71, io mem 0x12110000 >[ 2.240671] exynos-ehci 12110000.usb: USB 2.0 started, EHCI 1.00 >[ 2.241055] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 >[ 2.241068] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >[ 2.241079] usb usb1: Product: EHCI Host Controller >[ 2.241089] usb usb1: Manufacturer: Linux 4.13.0 ehci_hcd >[ 2.241105] usb usb1: SerialNumber: 12110000.usb >[ 2.241995] hub 1-0:1.0: USB hub found >[ 2.242051] hub 1-0:1.0: 3 ports detected >[ 2.243993] exynos-ohci 12120000.usb: USB Host Controller >[ 2.244042] exynos-ohci 12120000.usb: new USB bus registered, assigned bus number 2 >[ 2.244801] exynos-ohci 12120000.usb: irq 71, io mem 0x12120000 >[ 2.246865] dwmmc_exynos 12200000.mmc: IDMAC supports 32-bit address mode. >[ 2.247123] dwmmc_exynos 12200000.mmc: Using internal DMA controller. >[ 2.247141] dwmmc_exynos 12200000.mmc: Version ID is 250a >[ 2.247177] dwmmc_exynos 12200000.mmc: DW MMC controller at irq 73,64 bit host data width,64 deep fifo >[ 2.248434] dwmmc_exynos 12220000.mmc: IDMAC supports 32-bit address mode. >[ 2.248478] alloc_contig_range: [bd847, bd848) PFNs busy >[ 2.248630] dwmmc_exynos 12220000.mmc: Using internal DMA controller. >[ 2.248647] dwmmc_exynos 12220000.mmc: Version ID is 250a >[ 2.248678] dwmmc_exynos 12220000.mmc: DW MMC controller at irq 74,64 bit host data width,64 deep fifo >[ 2.315065] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001 >[ 2.315083] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >[ 2.315092] usb usb2: Product: USB Host Controller >[ 2.315101] usb usb2: Manufacturer: Linux 4.13.0 ohci_hcd >[ 2.315109] usb usb2: SerialNumber: 12120000.usb >[ 2.316236] hub 2-0:1.0: USB hub found >[ 2.316297] hub 2-0:1.0: 3 ports detected >[ 2.320930] dwmmc_exynos 12200000.mmc: IDMAC supports 32-bit address mode. >[ 2.321111] alloc_contig_range: [bd847, bd848) PFNs busy >[ 2.321303] alloc_contig_range: [bd848, bd849) PFNs busy >[ 2.321515] dwmmc_exynos 12200000.mmc: Using internal DMA controller. >[ 2.321532] dwmmc_exynos 12200000.mmc: Version ID is 250a >[ 2.321576] dwmmc_exynos 12200000.mmc: DW MMC controller at irq 73,64 bit host data width,64 deep fifo >[ 2.323046] dwmmc_exynos 12220000.mmc: IDMAC supports 32-bit address mode. >[ 2.323130] alloc_contig_range: [bd847, bd848) PFNs busy >[ 2.323286] alloc_contig_range: [bd848, bd849) PFNs busy >[ 2.323392] alloc_contig_range: [bd849, bd84a) PFNs busy >[ 2.323612] dwmmc_exynos 12220000.mmc: Using internal DMA controller. >[ 2.323630] dwmmc_exynos 12220000.mmc: Version ID is 250a >[ 2.323674] dwmmc_exynos 12220000.mmc: DW MMC controller at irq 74,64 bit host data width,64 deep fifo >[ 2.329150] dwmmc_exynos 12200000.mmc: IDMAC supports 32-bit address mode. >[ 2.329277] alloc_contig_range: [bd847, bd848) PFNs busy >[ 2.329543] alloc_contig_range: [bd848, bd849) PFNs busy >[ 2.329694] alloc_contig_range: [bd849, bd84a) PFNs busy >[ 2.329798] alloc_contig_range: [bd84a, bd84b) PFNs busy >[ 2.330041] dwmmc_exynos 12200000.mmc: Using internal DMA controller. >[ 2.330060] dwmmc_exynos 12200000.mmc: Version ID is 250a >[ 2.330106] dwmmc_exynos 12200000.mmc: DW MMC controller at irq 73,64 bit host data width,64 deep fifo >[ 2.331896] dwmmc_exynos 12220000.mmc: IDMAC supports 32-bit address mode. >[ 2.332666] dwmmc_exynos 12220000.mmc: Using internal DMA controller. >[ 2.332687] dwmmc_exynos 12220000.mmc: Version ID is 250a >[ 2.332750] dwmmc_exynos 12220000.mmc: DW MMC controller at irq 74,64 bit host data width,64 deep fifo >[ 2.337788] dwmmc_exynos 12200000.mmc: IDMAC supports 32-bit address mode. >[ 2.338755] dwmmc_exynos 12200000.mmc: Using internal DMA controller. >[ 2.338776] dwmmc_exynos 12200000.mmc: Version ID is 250a >[ 2.338820] dwmmc_exynos 12200000.mmc: DW MMC controller at irq 73,64 bit host data width,64 deep fifo >[ 2.340476] dwmmc_exynos 12220000.mmc: IDMAC supports 32-bit address mode. >[ 2.341459] dwmmc_exynos 12220000.mmc: Using internal DMA controller. >[ 2.341479] dwmmc_exynos 12220000.mmc: Version ID is 250a >[ 2.341522] dwmmc_exynos 12220000.mmc: DW MMC controller at irq 74,64 bit host data width,64 deep fifo >[ 2.344020] s5m-rtc s2mps14-rtc: rtc core: registered s5m-rtc as rtc0 >[ 2.350305] dwmmc_exynos 12200000.mmc: IDMAC supports 32-bit address mode. >[ 2.351366] dwmmc_exynos 12200000.mmc: Using internal DMA controller. >[ 2.351386] dwmmc_exynos 12200000.mmc: Version ID is 250a >[ 2.351433] dwmmc_exynos 12200000.mmc: DW MMC controller at irq 73,64 bit host data width,64 deep fifo >[ 2.352841] dwmmc_exynos 12220000.mmc: IDMAC supports 32-bit address mode. >[ 2.353824] dwmmc_exynos 12220000.mmc: Using internal DMA controller. >[ 2.353842] dwmmc_exynos 12220000.mmc: Version ID is 250a >[ 2.353879] dwmmc_exynos 12220000.mmc: DW MMC controller at irq 74,64 bit host data width,64 deep fifo >[ 2.410684] vdd_ldo9: Bringing 3300000uV into 3000000-3000000uV >[ 2.419750] vddq_mmc2: Bringing 3300000uV into 2800000-2800000uV >[ 2.424845] vdd_ldo15: Bringing 3300000uV into 3100000-3100000uV >[ 2.433471] vdd_sd: Bringing 3300000uV into 2800000-2800000uV >[ 2.495679] dwmmc_exynos 12200000.mmc: IDMAC supports 32-bit address mode. >[ 2.496173] dwmmc_exynos 12200000.mmc: Using internal DMA controller. >[ 2.496198] dwmmc_exynos 12200000.mmc: Version ID is 250a >[ 2.496240] dwmmc_exynos 12200000.mmc: DW MMC controller at irq 73,64 bit host data width,64 deep fifo >[ 2.496703] dwmmc_exynos 12200000.mmc: allocated mmc-pwrseq >[ 2.508975] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator >[ 2.509176] usb_phy_generic usb_phy_generic.1.auto: usb_phy_generic.1.auto supply vcc not found, using dummy regulator >[ 2.509387] usb_phy_generic usb_phy_generic.2.auto: usb_phy_generic.2.auto supply vcc not found, using dummy regulator >[ 2.509570] usb_phy_generic usb_phy_generic.3.auto: usb_phy_generic.3.auto supply vcc not found, using dummy regulator >[ 2.530849] xhci-hcd xhci-hcd.4.auto: xHCI Host Controller >[ 2.530888] xhci-hcd xhci-hcd.4.auto: new USB bus registered, assigned bus number 3 >[ 2.531903] xhci-hcd xhci-hcd.4.auto: hcc params 0x0220f04c hci version 0x100 quirks 0x02010010 >[ 2.531961] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req 400000Hz, actual 396825HZ div = 63) >[ 2.531975] xhci-hcd xhci-hcd.4.auto: irq 135, io mem 0x12000000 >[ 2.532262] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002 >[ 2.532275] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >[ 2.532285] usb usb3: Product: xHCI Host Controller >[ 2.532296] usb usb3: Manufacturer: Linux 4.13.0 xhci-hcd >[ 2.532306] usb usb3: SerialNumber: xhci-hcd.4.auto >[ 2.533135] hub 3-0:1.0: USB hub found >[ 2.533191] hub 3-0:1.0: 1 port detected >[ 2.533704] xhci-hcd xhci-hcd.4.auto: xHCI Host Controller >[ 2.533731] xhci-hcd xhci-hcd.4.auto: new USB bus registered, assigned bus number 4 >[ 2.533857] usb usb4: We don't know the algorithms for LPM for this host, disabling LPM. >[ 2.534067] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003 >[ 2.534079] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >[ 2.534089] usb usb4: Product: xHCI Host Controller >[ 2.534100] usb usb4: Manufacturer: Linux 4.13.0 xhci-hcd >[ 2.534109] usb usb4: SerialNumber: xhci-hcd.4.auto >[ 2.534959] hub 4-0:1.0: USB hub found >[ 2.535011] hub 4-0:1.0: 1 port detected >[ 2.535625] xhci-hcd xhci-hcd.5.auto: xHCI Host Controller >[ 2.535658] xhci-hcd xhci-hcd.5.auto: new USB bus registered, assigned bus number 5 >[ 2.536504] xhci-hcd xhci-hcd.5.auto: hcc params 0x0220f04c hci version 0x100 quirks 0x02010010 >[ 2.536564] xhci-hcd xhci-hcd.5.auto: irq 136, io mem 0x12400000 >[ 2.536828] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002 >[ 2.536840] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >[ 2.536851] usb usb5: Product: xHCI Host Controller >[ 2.536861] usb usb5: Manufacturer: Linux 4.13.0 xhci-hcd >[ 2.536871] usb usb5: SerialNumber: xhci-hcd.5.auto >[ 2.537671] hub 5-0:1.0: USB hub found >[ 2.537733] hub 5-0:1.0: 1 port detected >[ 2.538240] xhci-hcd xhci-hcd.5.auto: xHCI Host Controller >[ 2.538266] xhci-hcd xhci-hcd.5.auto: new USB bus registered, assigned bus number 6 >[ 2.538390] usb usb6: We don't know the algorithms for LPM for this host, disabling LPM. >[ 2.538597] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003 >[ 2.538610] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >[ 2.538620] usb usb6: Product: xHCI Host Controller >[ 2.538630] usb usb6: Manufacturer: Linux 4.13.0 xhci-hcd >[ 2.538640] usb usb6: SerialNumber: xhci-hcd.5.auto >[ 2.539458] hub 6-0:1.0: USB hub found >[ 2.539512] hub 6-0:1.0: 1 port detected >[ 2.572040] dwmmc_exynos 12220000.mmc: IDMAC supports 32-bit address mode. >[ 2.572321] dwmmc_exynos 12220000.mmc: Using internal DMA controller. >[ 2.572339] dwmmc_exynos 12220000.mmc: Version ID is 250a >[ 2.572377] dwmmc_exynos 12220000.mmc: DW MMC controller at irq 74,64 bit host data width,64 deep fifo >[ 2.601175] mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 400000Hz, actual 396825HZ div = 63) >[ 2.632080] exynos-tmu 10060000.tmu: More trip points than supported by this TMU. >[ 2.632093] exynos-tmu 10060000.tmu: 2 trip points should be configured in polling mode. >[ 2.679846] mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 50000000Hz, actual 50000000HZ div = 0) >[ 2.679973] mmc1: new high speed SDHC card at address 0007 >[ 2.680800] mmcblk1: mmc1:0007 SL16G 14.5 GiB [ 2.682304] >mmcblk1: p1 p2 >[ 2.770675] usb 1-1: new high-speed USB device number 2 using exynos-ehci >[ 2.981610] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271 >[ 2.981627] usb 1-1: New USB device strings: Mfr=16, Product=32, SerialNumber=48 >[ 2.981636] usb 1-1: Product: USB2.0 WLAN >[ 2.981644] usb 1-1: Manufacturer: ATHEROS >[ 2.981653] usb 1-1: SerialNumber: 12345 >[ 3.889647] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null) >[ 4.545757] systemd[1]: System time before build time, advancing clock. >[ 4.660348] ip_tables: (C) 2000-2006 Netfilter Core Team >[ 4.700946] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) >[ 4.701732] systemd[1]: Detected architecture arm. >[ 4.702892] systemd[1]: Set hostname to . >[ 5.123925] dma-pl330 3880000.adma: Loaded driver for PL330 DMAC-241330 >[ 5.123941] dma-pl330 3880000.adma: DBUFF-4x8bytes Num_Chans-6 Num_Peri-16 Num_Events-6 >[ 5.294493] systemd[1]: [/etc/systemd/system/transmission-daemon.service.d/override.conf:4] Unknown lvalue 'IOSchedulingClass' in section 'Unit' >[ 5.294557] systemd[1]: [/etc/systemd/system/transmission-daemon.service.d/override.conf:5] Unknown lvalue 'IOSchedulingPriority' in section 'Unit' >[ 5.379813] systemd[1]: Created slice User and Session Slice. >[ 5.380429] systemd[1]: Listening on udev Kernel Socket. >[ 5.382103] systemd[1]: Listening on LVM2 metadata daemon socket. >[ 5.383081] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. >[ 5.383504] systemd[1]: Started Forward Password Requests to Wall Directory Watch. >[ 5.689694] EXT4-fs (mmcblk1p2): re-mounted. Opts: errors=remount-ro >[ 6.082120] systemd-journald[228]: Received request to flush runtime journal from PID 1 >[ 6.436274] leds_pwm pwmleds: unable to request PWM for blue:heartbeat: -517 >[ 6.450807] pwm-fan pwm-fan: Could not get PWM >[ 6.517588] s3c2410-wdt 101d0000.watchdog: watchdog inactive, reset disabled, irq disabled >[ 6.518554] leds_pwm pwmleds: unable to request PWM for blue:heartbeat: -517 >[ 6.524969] pwm-fan pwm-fan: Could not get PWM >[ 6.811259] OF: graph: no port node found in /soc/hdmi@14530000 >[ 6.818603] [drm] Exynos DRM: using 14450000.mixer device for DMA mapping operations >[ 6.818788] exynos-drm exynos-drm: bound 14450000.mixer (ops mixer_component_ops [exynosdrm]) >[ 6.818825] exynos-drm exynos-drm: bound 14530000.hdmi (ops hdmi_component_ops [exynosdrm]) >[ 6.818832] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). >[ 6.818837] [drm] No driver support for vblank timestamp query. >[ 6.819453] [drm] Initialized exynos 1.0.0 20110530 for exynos-drm on minor 0 >[ 6.852126] usb usb3-port1: connect-debounce failed >[ 6.915842] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested >[ 6.916088] usbcore: registered new interface driver ath9k_htc >[ 6.937821] FAT-fs (mmcblk1p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. >[ 7.071833] ip6_tables: (C) 2000-2006 Netfilter Core Team >[ 7.112695] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) >[ 7.209229] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 >[ 7.460216] ath9k_htc 1-1:1.0: ath9k_htc: HTC initialized with 33 credits >[ 7.693485] ath9k_htc 1-1:1.0: ath9k_htc: FW Version: 1.4 >[ 7.693494] ath9k_htc 1-1:1.0: FW RMW support: On >[ 7.693500] ath: EEPROM regdomain: 0x809c >[ 7.693505] ath: EEPROM indicates we should expect a country code >[ 7.693511] ath: doing EEPROM country->regdmn map search >[ 7.693516] ath: country maps to regdmn code: 0x52 >[ 7.693522] ath: Country alpha2 being used: CN >[ 7.693527] ath: Regpair used: 0x52 >[ 7.713687] ieee80211 phy0: Atheros AR9271 Rev:1 >[ 7.742385] ath9k_htc 1-1:1.0 wlx3c46d81413ac: renamed from wlan0 >[ 8.187265] IPv6: ADDRCONF(NETDEV_UP): wlx3c46d81413ac: link is not ready >[ 8.752284] random: crng init done >[ 9.714360] ------------[ cut here ]------------ >[ 9.714533] WARNING: CPU: 0 PID: 0 at net/mac80211/rx.c:629 ieee80211_rx_napi+0x8f4/0xa3c [mac80211] >[ 9.714538] Modules linked in: arc4 xt_limit xt_comment nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack nf_conntrack libcrc32c ip6table_filter ip6table_mangle ip6table_raw ip6_tables xt_tcpudp xt_owner xt_multiport iptable_filter nls_ascii nls_cp437 vfat ath9k_htc ath9k_common fat ath9k_hw ath mac80211 exynosdrm cfg80211 analogix_dp rfkill drm_kms_helper drm exynos_adc pwm_samsung industrialio s3c2410_wdt pwm_fan leds_pwm cpufreq_dt ledtrig_heartbeat ip_tables x_tables autofs4 crc32c_generic ext4 crc16 mbcache jbd2 fscrypto xhci_plat_hcd xhci_hcd dwc3 udc_core phy_generic clk_s2mps11 s2mps11 dwc3_exynos phy_exynos_mipi_video phy_exynos_dp_video i2c_exynos5 ohci_exynos ohci_hcd ehci_exynos ehci_hcd dw_mmc_exynos dw_mmc_pltfm dw_mmc phy_exynos_usb2 usbcore phy_exynos5_usbdrd >[ 9.714734] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.0 #4 >[ 9.714738] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) >[ 9.714767] [] (unwind_backtrace) from [] (show_stack+0x20/0x24) >[ 9.714783] [] (show_stack) from [] (dump_stack+0x90/0xa4) >[ 9.714795] [] (dump_stack) from [] (__warn+0xf8/0x110) >[ 9.714805] [] (__warn) from [] (warn_slowpath_null+0x30/0x38) >[ 9.714861] [] (warn_slowpath_null) from [] (ieee80211_rx_napi+0x8f4/0xa3c [mac80211]) >[ 9.714951] [] (ieee80211_rx_napi [mac80211]) from [] (ath9k_rx_tasklet+0x180/0x1d8 [ath9k_htc]) >[ 9.714976] [] (ath9k_rx_tasklet [ath9k_htc]) from [] (tasklet_action+0x68/0xf8) >[ 9.714988] [] (tasklet_action) from [] (__do_softirq+0x12c/0x358) >[ 9.714998] [] (__do_softirq) from [] (irq_exit+0xe8/0x150) >[ 9.715009] [] (irq_exit) from [] (__handle_domain_irq+0x70/0xc4) >[ 9.715019] [] (__handle_domain_irq) from [] (gic_handle_irq+0x58/0x94) >[ 9.715032] [] (gic_handle_irq) from [] (__irq_svc+0x58/0x74) >[ 9.715038] Exception stack(0xc1001ed8 to 0xc1001f20) >[ 9.715044] 1ec0: 00000000 0001407c >[ 9.715053] 1ee0: 2de57000 c0244460 c1000000 c1004e70 c1004e0c c10ef48d c0b59a18 00000001 >[ 9.715061] 1f00: c1004dd8 c1001f34 c1001f38 c1001f28 c022d2f8 c022d2fc 60000013 ffffffff >[ 9.715077] [] (__irq_svc) from [] (arch_cpu_idle+0x48/0x4c) >[ 9.715087] [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) >[ 9.715100] [] (default_idle_call) from [] (do_idle+0xdc/0x14c) >[ 9.715110] [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) >[ 9.715125] [] (cpu_startup_entry) from [] (rest_init+0xd4/0xd8) >[ 9.715136] [] (rest_init) from [] (start_kernel+0x440/0x460) >[ 9.715143] ---[ end trace 28d47b3fad78f4a4 ]--- >[ 10.023810] wlx3c46d81413ac: authenticate with 4c:5e:0c:3d:39:39 >[ 10.214671] wlx3c46d81413ac: send auth to 4c:5e:0c:3d:39:39 (try 1/3) >[ 10.216759] wlx3c46d81413ac: authenticated >[ 10.220697] wlx3c46d81413ac: associate with 4c:5e:0c:3d:39:39 (try 1/3) >[ 10.224247] wlx3c46d81413ac: RX AssocResp from 4c:5e:0c:3d:39:39 (capab=0x431 status=0 aid=2) >[ 10.230359] wlx3c46d81413ac: associated >[ 10.230453] IPv6: ADDRCONF(NETDEV_CHANGE): wlx3c46d81413ac: link becomes ready > ># lsusb -vv >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 4.13 > iManufacturer 3 Linux 4.13.0 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 >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 4.13 > iManufacturer 3 Linux 4.13.0 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: 0001.0101 C_CONNECT power connect >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 4.13 > iManufacturer 3 Linux 4.13.0 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: 0000.02a0 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 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 4.13 > iManufacturer 3 Linux 4.13.0 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: 0001.0101 C_CONNECT power 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 4.13 > iManufacturer 3 Linux 4.13.0 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 002: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n >Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 2.00 > bDeviceClass 255 Vendor Specific Class > bDeviceSubClass 255 Vendor Specific Subclass > bDeviceProtocol 255 Vendor Specific Protocol > bMaxPacketSize0 64 > idVendor 0x0cf3 Atheros Communications, Inc. > idProduct 0x9271 AR9271 802.11n > bcdDevice 1.08 > iManufacturer 16 ATHEROS > iProduct 32 USB2.0 WLAN > iSerial 48 12345 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 60 > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 0 bmAttributes 0x80 > (Bus Powered) > MaxPower 500mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 6 > bInterfaceClass 255 Vendor Specific Class > bInterfaceSubClass 0 bInterfaceProtocol 0 >iInterface 0 Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x01 EP 1 OUT > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0200 1x 512 bytes > bInterval 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x82 EP 2 IN > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0200 1x 512 bytes > bInterval 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x83 EP 3 IN > bmAttributes 3 > Transfer Type Interrupt > Synch Type None > Usage Type Data > wMaxPacketSize 0x0040 1x 64 bytes > bInterval 1 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x04 EP 4 OUT > bmAttributes 3 > Transfer Type Interrupt > Synch Type None > Usage Type Data > wMaxPacketSize 0x0040 1x 64 bytes > bInterval 1 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x05 EP 5 OUT > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0200 1x 512 bytes > bInterval 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x06 EP 6 OUT > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0200 1x 512 bytes > bInterval 0 >Device Qualifier (for other device speed): > bLength 10 > bDescriptorType 6 > bcdUSB 2.00 > bDeviceClass 255 Vendor Specific Class > bDeviceSubClass 255 Vendor Specific Subclass > bDeviceProtocol 255 Vendor Specific Protocol > bMaxPacketSize0 64 > bNumConfigurations 1 >Device Status: 0x0000 > (Bus Powered) > >Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > ># the first time i ran lsusb -vv it hang here until i canceled it, # >the second time it ran fine ># after another reboot, i left lsusb to run and it eventually >finished, # 5 or so minutes after > >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 4.13 > iManufacturer 3 Linux 4.13.0 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: 0000.0503 highspeed power enable connect > Port 2: 0000.0100 power > Port 3: 0000.0100 power >Device Status: 0x0001 > Self Powered > >> >>Also, the commit you pointed me to couldn't be the culprit: we didn't >>have a ->shutdown() before and that commit didn't change that. All that >>commit did was extract some code to helper functions which would be >>reused. >> >>On top of all that, Brian's commit merely duplicates the ->remove() >>method as ->shutdown(), we don't want duplicated code, sorry. > >I'm OK testing patches to help finding a long-term, good-solution to the warm boot >problem (or others in this platform) > >> >>-- >>balbi > > > >-- >IRC: gfa >GPG: 0X44BB1BA79F6C6333 > -- IRC: gfa GPG: 0X44BB1BA79F6C6333