[ 2690.513475] usb 1-3.3: new high-speed USB device number 17 using ehci-pci
[ 2690.669980] usb-storage 1-3.3:1.0: USB Mass Storage device detected
[ 2690.676097] usb-storage 1-3.3:1.0: Quirks match for vid 174c pid 55aa: c00000
[ 2690.676160] scsi host6: usb-storage 1-3.3:1.0
[ 2691.739525] scsi 6:0:0:0: CD-ROM            HL-DT-ST BD-RE  WH16NS40  1.03 PQ: 0 ANSI: 0
[ 2691.840523] sr 6:0:0:0: [sr0] scsi3-mmc drive: 0x/48x writer dvd-ram cd/rw xa/form2 cdda tray
[ 2691.840999] sr 6:0:0:0: Attached scsi CD-ROM sr0
[ 2691.841273] sr 6:0:0:0: Attached scsi generic sg1 type 5
[ 2738.913142] usb 1-3.3: reset high-speed USB device number 17 using ehci-pci
[ 2818.476580] nfs: server wormhole not responding, still trying
[ 2827.516471] nfs: server wormhole not responding, still trying
[ 2842.583093] nfs: server wormhole not responding, timed out
[ 2865.947316] e1000e: enp0s25 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 2869.703468] nfs: server wormhole OK
[ 2869.704037] nfs: server wormhole OK
[ 2948.746524] INFO: task scsi_eh_6:5779 blocked for more than 120 seconds.
[ 2948.746531]       Not tainted 4.14.12-1-ARCH #1
[ 2948.746533] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2948.746536] scsi_eh_6       D    0  5779      2 0x80000000
[ 2948.746540] Call Trace:
[ 2948.746552]  ? __schedule+0x290/0x890
[ 2948.746555]  schedule+0x2f/0x90
[ 2948.746558]  schedule_preempt_disabled+0x11/0x20
[ 2948.746561]  __mutex_lock.isra.2+0x288/0x510
[ 2948.746566]  ? pick_next_task_fair+0x48c/0x560
[ 2948.746583]  ? scsi_eh_get_sense+0x140/0x140 [scsi_mod]
[ 2948.746589]  ? device_reset+0x1d/0x40 [usb_storage]
[ 2948.746592]  device_reset+0x1d/0x40 [usb_storage]
[ 2948.746610]  scsi_eh_ready_devs+0x239/0x7f0 [scsi_mod]
[ 2948.746613]  ? __pm_runtime_resume+0x47/0x50
[ 2948.746619]  ? scsi_try_target_reset+0x90/0x90 [scsi_mod]
[ 2948.746625]  ? scsi_eh_get_sense+0x140/0x140 [scsi_mod]
[ 2948.746630]  scsi_error_handler+0x3ac/0x3c0 [scsi_mod]
[ 2948.746633]  kthread+0x118/0x130
[ 2948.746635]  ? kthread_create_on_node+0x70/0x70
[ 2948.746638]  ? do_group_exit+0x3a/0xa0
[ 2948.746640]  ret_from_fork+0x1f/0x30