On Thu, Dec 15, 2016 at 11:11:30 -0800, Greg KH wrote:
> On Thu, Dec 15, 2016 at 08:22:44PM +0200, Sami Farin wrote:
> > Sandybridge system on Asus P8Z68-V PRO GEN3 motherboard.
> >
> > H2n connected to HP ZR24w's hub. When H2n is used as microphone:
> > (H2n is now disconnected but it didn't make any diff.)
>
> Can you try 4.9 and see if you still have the same issue?
With 4.9.0:
[ 383.705179] usb 4-2.1: USB disconnect, device number 4
[ 395.119190] usb 4-2.1: new full-speed USB device number 6 using xhci_hcd
[ 395.215948] usb 4-2.1: New USB device found, idVendor=1686, idProduct=0045
[ 395.215952] usb 4-2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 395.215954] usb 4-2.1: Product: H2n
[ 395.215956] usb 4-2.1: Manufacturer: ZOOM Corporation
[ 395.215957] usb 4-2.1: SerialNumber: 000000000000
[ 395.287902] usbcore: registered new interface driver snd-usb-audio
[ 396.307560] usb 4-2.1: timeout: still 3 active urbs on EP #1
[ 397.307014] usb 4-2.1: timeout: still 3 active urbs on EP #1
during these 30 s my USB mouse and keyb were dead
[ 425.845052] xhci_hcd 0000:06:00.0: Stopped the command ring failed, maybe the host is dead
[ 425.845069] xhci_hcd 0000:06:00.0: Abort command ring failed
[ 425.845072] xhci_hcd 0000:06:00.0: HC died; cleaning up
[ 425.845113] xhci_hcd 0000:06:00.0: Timeout while waiting for configure endpoint command
[ 425.845115] usb 4-2: USB disconnect, device number 2
[ 425.845116] usb 4-2.1: USB disconnect, device number 6
[ 425.845117] usb 4-2.1: Not enough bandwidth for altsetting 0
[ 426.846838] usb 4-2.1: timeout: still 3 active urbs on EP #1
[ 615.354808] INFO: task kworker/1:9:6167 blocked for more than 120 seconds.
[ 615.354811] Not tainted 4.9.0+ #78
[ 615.354812] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.354814] kworker/1:9 D 0 6167 2 0x00000000
[ 615.354832] Workqueue: usb_hub_wq hub_event [usbcore]
[ 615.354835] 0000000000000000 ffff957c5f099398 ffff957c5f099380 ffff957c4cdf6900
[ 615.354839] ffff957c47391500 ffffb1f740f1b9b8 ffffffff849456e7 ffffffffc031d060
[ 615.354843] 0000000000000296 ffff957c5f099398 ffff957c46ca6900 ffff957c47391500
[ 615.354846] Call Trace:
[ 615.354858] [<ffffffff849456e7>] ? __schedule+0x227/0x8f0
[ 615.354859] [<ffffffff84945de8>] schedule+0x38/0x90
[ 615.354863] [<ffffffffc0304489>] usb_kill_urb.part.4+0x49/0x80 [usbcore]
[ 615.354865] [<ffffffff84105030>] ? wake_atomic_t_function+0x50/0x50
[ 615.354868] [<ffffffffc03044dc>] usb_kill_urb+0x1c/0x20 [usbcore]
[ 615.354872] [<ffffffffc03032e8>] usb_hcd_flush_endpoint+0xa8/0x170 [usbcore]
[ 615.354875] [<ffffffffc03061b5>] usb_disable_endpoint+0x95/0xa0 [usbcore]
[ 615.354879] [<ffffffffc0306200>] usb_disable_interface+0x40/0x60 [usbcore]
[ 615.354883] [<ffffffffc0308a96>] usb_unbind_interface+0x106/0x260 [usbcore]
[ 615.354885] [<ffffffff845df8bc>] __device_release_driver+0x9c/0x150
[ 615.354886] [<ffffffff845df990>] device_release_driver+0x20/0x30
[ 615.354887] [<ffffffff845defb3>] bus_remove_device+0x113/0x190
[ 615.354888] [<ffffffff845db70d>] device_del+0x12d/0x250
[ 615.354892] [<ffffffffc03062a4>] usb_disable_device+0x84/0x270 [usbcore]
[ 615.354895] [<ffffffffc02fbd3f>] usb_disconnect+0x8f/0x2b0 [usbcore]
[ 615.354898] [<ffffffffc02fbe8e>] usb_disconnect+0x1de/0x2b0 [usbcore]
[ 615.354902] [<ffffffffc02fd977>] ? hub_event+0x67/0x15a0 [usbcore]
[ 615.354905] [<ffffffffc02fbfa3>] hub_quiesce+0x43/0x90 [usbcore]
[ 615.354908] [<ffffffffc02fd9ef>] hub_event+0xdf/0x15a0 [usbcore]
[ 615.354909] [<ffffffff8410a11d>] ? __lock_acquire.isra.15+0x5d/0x930
[ 615.354910] [<ffffffff840dca89>] ? process_one_work+0x1d9/0x5b0
[ 615.354911] [<ffffffff840dcb13>] process_one_work+0x263/0x5b0
[ 615.354912] [<ffffffff840dca89>] ? process_one_work+0x1d9/0x5b0
[ 615.354913] [<ffffffff840dcea3>] worker_thread+0x43/0x4e0
[ 615.354913] [<ffffffff840dce60>] ? process_one_work+0x5b0/0x5b0
[ 615.354914] [<ffffffff840e28e0>] kthread+0xe0/0x100
[ 615.354915] [<ffffffff840e2800>] ? kthread_park+0x60/0x60
[ 615.354917] [<ffffffff8494b785>] ret_from_fork+0x25/0x30
[ 615.354917]
Showing all locks held in the system:
[ 615.354919] 2 locks held by khungtaskd/347:
[ 615.354919] #0: (rcu_read_lock){......}, at: [<ffffffff8416204e>] watchdog+0x9e/0x410
[ 615.354923] #1: (tasklist_lock){......}, at: [<ffffffff84109e2d>] debug_show_all_locks+0x3d/0x1a0
[ 615.354929] 6 locks held by kworker/1:9/6167:
[ 615.354929] #0: ("usb_hub_wq"){......}, at: [<ffffffff840dca89>] process_one_work+0x1d9/0x5b0
[ 615.354931] #1: ((&hub->events)){......}, at: [<ffffffff840dca89>] process_one_work+0x1d9/0x5b0
[ 615.354933] #2: (&dev->mutex){......}, at: [<ffffffffc02fd977>] hub_event+0x67/0x15a0 [usbcore]
[ 615.354937] #3: (&dev->mutex){......}, at: [<ffffffffc02fbcfe>] usb_disconnect+0x4e/0x2b0 [usbcore]
[ 615.354941] #4: (&dev->mutex){......}, at: [<ffffffffc02fbcfe>] usb_disconnect+0x4e/0x2b0 [usbcore]
[ 615.354945] #5: (&dev->mutex){......}, at: [<ffffffff845df988>] device_release_driver+0x18/0x30
[ 615.354960] 2 locks held by bash/7362:
[ 615.354960] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354962] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354964] 2 locks held by bash/7466:
[ 615.354965] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354966] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354968] 2 locks held by bash/24708:
[ 615.354969] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354970] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354972] 2 locks held by bash/24777:
[ 615.354972] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354974] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354976] 2 locks held by bash/24843:
[ 615.354976] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354978] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354979] 2 locks held by bash/24909:
[ 615.354980] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354981] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354983] 2 locks held by bash/24975:
[ 615.354984] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354985] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354987] 2 locks held by bash/25041:
[ 615.354987] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354989] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354991] 2 locks held by bash/25110:
[ 615.354991] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354993] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.354996] 2 locks held by bash/25563:
[ 615.354996] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.354998] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355000] 2 locks held by bash/25661:
[ 615.355000] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355002] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355003] 2 locks held by bash/25721:
[ 615.355004] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355005] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355007] 2 locks held by bash/25787:
[ 615.355008] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355009] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355011] 2 locks held by bash/25862:
[ 615.355011] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355013] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355015] 2 locks held by bash/25922:
[ 615.355015] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355017] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355019] 2 locks held by bash/25988:
[ 615.355019] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355021] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355024] 2 locks held by bash/26304:
[ 615.355024] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355026] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
[ 615.355028] 2 locks held by bash/26417:
[ 615.355028] #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
[ 615.355030] #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
lsusb works but can't mount SD card on USB3 reader:
Dec 15 23:45:26 snowden kernel: usb 3-1: new SuperSpeed USB device number 2 using xhci_hcd
Dec 15 23:45:26 snowden kernel: usb 3-1: New USB device found, idVendor=0bda, idProduct=0326
Dec 15 23:45:26 snowden kernel: usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Dec 15 23:45:26 snowden kernel: usb 3-1: Product: USB3.0 Card Reader
Dec 15 23:45:26 snowden kernel: usb 3-1: Manufacturer: Realtek
Dec 15 23:45:26 snowden kernel: usb 3-1: SerialNumber: 201404081410
Dec 15 23:45:26 snowden kernel: usb-storage 3-1:1.0: USB Mass Storage device detected
Dec 15 23:45:26 snowden kernel: scsi host10: usb-storage 3-1:1.0
Dec 15 23:45:27 snowden kernel: scsi 10:0:0:0: Direct-Access Generic- USB3.0 CRW -SD 1.00 PQ: 0 ANSI: 6
Dec 15 23:45:27 snowden kernel: scsi 10:0:0:1: Direct-Access Generic- USB3.0 CRW -SD 1.00 PQ: 0 ANSI: 6
Dec 15 23:45:27 snowden kernel: sd 10:0:0:0: Attached scsi generic sg4 type 0
Dec 15 23:45:27 snowden kernel: sd 10:0:0:1: Attached scsi generic sg5 type 0
Dec 15 23:45:27 snowden kernel: sd 10:0:0:0: [sdd] 123074560 512-byte logical blocks: (63.0 GB/58.7 GiB)
Dec 15 23:45:27 snowden kernel: sd 10:0:0:1: [sde] Attached SCSI removable disk
Dec 15 23:45:27 snowden kernel: sd 10:0:0:0: [sdd] Write Protect is off
Dec 15 23:45:27 snowden kernel: sd 10:0:0:0: [sdd] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
Dec 15 23:45:27 snowden kernel: sdd: sdd1
Dec 15 23:45:27 snowden kernel: sd 10:0:0:0: [sdd] Attached SCSI removable disk
Dec 15 23:45:48 snowden kernel: INFO: task kworker/1:9:6167 blocked for more than 120 seconds.
Dec 15 23:45:48 snowden kernel: Not tainted 4.9.0+ #78
Dec 15 23:45:48 snowden kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 15 23:45:48 snowden kernel: kworker/1:9 D 0 6167 2 0x00000000
Dec 15 23:45:48 snowden kernel: Workqueue: usb_hub_wq hub_event [usbcore]
Dec 15 23:45:48 snowden kernel: 0000000000000000 ffff957c5f099398 ffff957c5f099380 ffff957c4cdf6900
Dec 15 23:45:48 snowden kernel: ffff957c47391500 ffffb1f740f1b9b8 ffffffff849456e7 ffffffffc031d060
Dec 15 23:45:48 snowden kernel: 0000000000000296 ffff957c5f099398 ffff957c46ca6900 ffff957c47391500
Dec 15 23:45:48 snowden kernel: Call Trace:
Dec 15 23:45:48 snowden kernel: [<ffffffff849456e7>] ? __schedule+0x227/0x8f0
Dec 15 23:45:48 snowden kernel: [<ffffffff84945de8>] schedule+0x38/0x90
Dec 15 23:45:48 snowden kernel: [<ffffffffc0304489>] usb_kill_urb.part.4+0x49/0x80 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffff84105030>] ? wake_atomic_t_function+0x50/0x50
Dec 15 23:45:48 snowden kernel: [<ffffffffc03044dc>] usb_kill_urb+0x1c/0x20 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc03032e8>] usb_hcd_flush_endpoint+0xa8/0x170 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc03061b5>] usb_disable_endpoint+0x95/0xa0 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc0306200>] usb_disable_interface+0x40/0x60 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc0308a96>] usb_unbind_interface+0x106/0x260 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffff845df8bc>] __device_release_driver+0x9c/0x150
Dec 15 23:45:48 snowden kernel: [<ffffffff845df990>] device_release_driver+0x20/0x30
Dec 15 23:45:48 snowden kernel: [<ffffffff845defb3>] bus_remove_device+0x113/0x190
Dec 15 23:45:48 snowden kernel: [<ffffffff845db70d>] device_del+0x12d/0x250
Dec 15 23:45:48 snowden kernel: [<ffffffffc03062a4>] usb_disable_device+0x84/0x270 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc02fbd3f>] usb_disconnect+0x8f/0x2b0 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc02fbe8e>] usb_disconnect+0x1de/0x2b0 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc02fd977>] ? hub_event+0x67/0x15a0 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc02fbfa3>] hub_quiesce+0x43/0x90 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffffc02fd9ef>] hub_event+0xdf/0x15a0 [usbcore]
Dec 15 23:45:48 snowden kernel: [<ffffffff8410a11d>] ? __lock_acquire.isra.15+0x5d/0x930
Dec 15 23:45:48 snowden kernel: [<ffffffff840dca89>] ? process_one_work+0x1d9/0x5b0
Dec 15 23:45:48 snowden kernel: [<ffffffff840dcb13>] process_one_work+0x263/0x5b0
Dec 15 23:45:48 snowden kernel: [<ffffffff840dca89>] ? process_one_work+0x1d9/0x5b0
Dec 15 23:45:48 snowden kernel: [<ffffffff840dcea3>] worker_thread+0x43/0x4e0
Dec 15 23:45:48 snowden kernel: [<ffffffff840dce60>] ? process_one_work+0x5b0/0x5b0
Dec 15 23:45:48 snowden kernel: [<ffffffff840e28e0>] kthread+0xe0/0x100
Dec 15 23:45:48 snowden kernel: [<ffffffff840e2800>] ? kthread_park+0x60/0x60
Dec 15 23:45:48 snowden kernel: [<ffffffff8494b785>] ret_from_fork+0x25/0x30
Dec 15 23:45:48 snowden kernel: #012Showing all locks held in the system:
Dec 15 23:45:48 snowden kernel: 2 locks held by khungtaskd/347:
Dec 15 23:45:48 snowden kernel: #0: (rcu_read_lock){......}, at: [<ffffffff8416204e>] watchdog+0x9e/0x410
Dec 15 23:45:48 snowden kernel: #1: (tasklist_lock){......}, at: [<ffffffff84109e2d>] debug_show_all_locks+0x3d/0x1a0
Dec 15 23:45:48 snowden kernel: 6 locks held by kworker/1:9/6167:
Dec 15 23:45:48 snowden kernel: #0: ("usb_hub_wq"){......}, at: [<ffffffff840dca89>] process_one_work+0x1d9/0x5b0
Dec 15 23:45:48 snowden kernel: #1: ((&hub->events)){......}, at: [<ffffffff840dca89>] process_one_work+0x1d9/0x5b0
Dec 15 23:45:48 snowden kernel: #2: (&dev->mutex){......}, at: [<ffffffffc02fd977>] hub_event+0x67/0x15a0 [usbcore]
Dec 15 23:45:48 snowden kernel: #3: (&dev->mutex){......}, at: [<ffffffffc02fbcfe>] usb_disconnect+0x4e/0x2b0 [usbcore]
Dec 15 23:45:48 snowden kernel: #4: (&dev->mutex){......}, at: [<ffffffffc02fbcfe>] usb_disconnect+0x4e/0x2b0 [usbcore]
Dec 15 23:45:48 snowden kernel: #5: (&dev->mutex){......}, at: [<ffffffff845df988>] device_release_driver+0x18/0x30
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/24975:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25041:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25563:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25661:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25721:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25787:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25862:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25922:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/25988:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/26417:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/27909:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/27995:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/28245:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/28299:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/28377:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/28437:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/28503:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/28569:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 2 locks held by bash/28654:
Dec 15 23:45:48 snowden kernel: #0: (&tty->ldisc_sem){......}, at: [<ffffffff8494a3de>] ldsem_down_read+0xe/0x10
Dec 15 23:45:48 snowden kernel: #1: (&ldata->atomic_read_lock){......}, at: [<ffffffff84568b50>] n_tty_read+0xb0/0x8b0
Dec 15 23:45:48 snowden kernel: 5 locks held by Chrome_FileThre/28766:
Dec 15 23:45:48 snowden kernel: #0: (&f->f_pos_lock){......}, at: [<ffffffff8422b05e>] __fdget_pos+0x3e/0x50
Dec 15 23:45:48 snowden kernel: #1: (&p->lock){......}, at: [<ffffffff84230ef8>] seq_read+0x38/0x3b0
Dec 15 23:45:48 snowden kernel: #2: (&of->mutex){......}, at: [<ffffffff8428bb0a>] kernfs_seq_start+0x2a/0x90
Dec 15 23:45:48 snowden kernel: #3: (s_active#63){......}, at: [<ffffffff8428bb12>] kernfs_seq_start+0x32/0x90
Dec 15 23:45:48 snowden kernel: #4: (&dev->mutex){......}, at: [<ffffffffc030c1fd>] manufacturer_show+0x1d/0x60 [usbcore]
Dec 15 23:45:48 snowden kernel: 4 locks held by obex-check-devi/29638:
Dec 15 23:45:48 snowden kernel: #0: (&f->f_pos_lock){......}, at: [<ffffffff8422b05e>] __fdget_pos+0x3e/0x50
Dec 15 23:45:48 snowden kernel: #1: (&p->lock){......}, at: [<ffffffff84230ef8>] seq_read+0x38/0x3b0
Dec 15 23:45:48 snowden kernel: #2: (&of->mutex){......}, at: [<ffffffff8428bb0a>] kernfs_seq_start+0x2a/0x90
Dec 15 23:45:48 snowden kernel: #3: (&dev->mutex){......}, at: [<ffffffffc030c34f>] bConfigurationValue_show+0x1f/0x70 [usbcore]
Dec 15 23:45:48 snowden kernel: 1 lock held by device poll/29668:
Dec 15 23:45:48 snowden kernel: #0: (&dev->mutex){......}, at: [<ffffffffc030dac1>] usbdev_open+0xd1/0x240 [usbcore]
Dec 15 23:45:48 snowden kernel:
Dec 15 23:45:48 snowden kernel: =============================================
Dec 15 23:46:27 snowden systemd-udevd: seq 3729 '/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/usb3/3-1' is taking a long time
Rebooting now...
BTW H2n worked in some older than 4.4 kernel! Not sure which one.
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