log

[ 1330.871106] INFO: task kworker/0:2:4077 blocked for more than 120 seconds.
[ 1330.871117]       Tainted: P           OE   4.9.0-0.bpo.1-amd64 #1
[ 1330.871121] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1330.871125] kworker/0:2     D    0  4077      2 0x00000000
[ 1330.871158] Workqueue: usb_hub_wq hub_event [usbcore]
[ 1330.871163]  ffff88495fd0d000 ffff884965b33000 ffff88494b8ac180 ffff884976654e00
[ 1330.871170]  ffff88497fc187c0 ffffa0bcc1083b58 ffffffff865f536d 0000000000000286
[ 1330.871176]  0000000049d98ad4 0000000076572938 ffffa0bcc1083b78 ffff884976654e00
[ 1330.871183] Call Trace:
[ 1330.871193]  [<ffffffff865f536d>] ? __schedule+0x23d/0x6d0
[ 1330.871198]  [<ffffffff865f5832>] ? schedule+0x32/0x80
[ 1330.871213]  [<ffffffffc0b0a97d>] ? dvb_dmxdev_release+0x4d/0x120 [dvb_core]
[ 1330.871219]  [<ffffffff860bb7d0>] ? wake_up_atomic_t+0x30/0x30
[ 1330.871227]  [<ffffffffc0a1eb34>] ? dvb_usb_adapter_dvb_exit+0x44/0x90 [dvb_usb]
[ 1330.871232]  [<ffffffffc0a1d499>] ? dvb_usb_exit+0x49/0xe0 [dvb_usb]
[ 1330.871238]  [<ffffffffc0a1d56b>] ? dvb_usb_device_exit+0x3b/0x50 [dvb_usb]
[ 1330.871261]  [<ffffffffc01516d1>] ? usb_unbind_interface+0x71/0x270 [usbcore]
[ 1330.871267]  [<ffffffff8646e285>] ? __device_release_driver+0x95/0x140
[ 1330.871271]  [<ffffffff8646e34e>] ? device_release_driver+0x1e/0x30
[ 1330.871276]  [<ffffffff8646cfc5>] ? bus_remove_device+0xf5/0x170
[ 1330.871281]  [<ffffffff864694a7>] ? device_del+0x127/0x260
[ 1330.871303]  [<ffffffffc015602b>] ? usb_remove_ep_devs+0x1b/0x30 [usbcore]
[ 1330.871327]  [<ffffffffc014f0a3>] ? usb_disable_device+0x93/0x260 [usbcore]
[ 1330.871348]  [<ffffffffc0144d9a>] ? usb_disconnect+0x8a/0x260 [usbcore]
[ 1330.871370]  [<ffffffffc0146f90>] ? hub_event+0x7d0/0x1530 [usbcore]
[ 1330.871376]  [<ffffffff8609172b>] ? process_one_work+0x14b/0x410
[ 1330.871380]  [<ffffffff860921e5>] ? worker_thread+0x65/0x4a0
[ 1330.871384]  [<ffffffff86092180>] ? rescuer_thread+0x340/0x340
[ 1330.871388]  [<ffffffff86092180>] ? rescuer_thread+0x340/0x340
[ 1330.871392]  [<ffffffff8607c689>] ? do_group_exit+0x39/0xb0
[ 1330.871397]  [<ffffffff860974e0>] ? kthread+0xe0/0x100
[ 1330.871402]  [<ffffffff8602476b>] ? __switch_to+0x2bb/0x700
[ 1330.871406]  [<ffffffff86097400>] ? kthread_park+0x60/0x60
[ 1330.871411]  [<ffffffff865fa435>] ? ret_from_fork+0x25/0x30
root@Debian-NAS:~#