Jun 29 13:50:55 enigma kernel: [  480.020989] INFO: task cryptsetup:4661 blocked for more than 120 seconds.
Jun 29 13:50:55 enigma kernel: [  480.020996]       Tainted: P           OE   4.2.0-10-generic #201506291330
Jun 29 13:50:55 enigma kernel: [  480.020997] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 29 13:50:55 enigma kernel: [  480.020999] cryptsetup      D ffff8800c5467b58     0  4661   4643 0x00000000
Jun 29 13:50:55 enigma kernel: [  480.021005]  ffff8800c5467b58 ffff88040c73cb00 ffff8803c80bad00 0000000000000246
Jun 29 13:50:55 enigma kernel: [  480.021009]  ffff8800c5468000 ffff88007ff38a60 ffff88007ff38da0 ffff88007ff38ab0
Jun 29 13:50:55 enigma kernel: [  480.021012]  ffff880407820910 ffff8800c5467b78 ffffffff8177f267 ffff88007ff38a60
Jun 29 13:50:55 enigma kernel: [  480.021016] Call Trace:
Jun 29 13:50:55 enigma kernel: [  480.021025]  [<ffffffff8177f267>] schedule+0x37/0x80
Jun 29 13:50:55 enigma kernel: [  480.021030]  [<ffffffff8118d446>] bdi_destroy+0x126/0x1c0
Jun 29 13:50:55 enigma kernel: [  480.021036]  [<ffffffff810b2a10>] ? prepare_to_wait_event+0xf0/0xf0
Jun 29 13:50:55 enigma kernel: [  480.021040]  [<ffffffff813595b4>] blk_cleanup_queue+0x114/0x150
Jun 29 13:50:55 enigma kernel: [  480.021045]  [<ffffffff81608967>] __dm_destroy+0x247/0x320
Jun 29 13:50:55 enigma kernel: [  480.021048]  [<ffffffff8160ab73>] dm_destroy+0x13/0x20
Jun 29 13:50:55 enigma kernel: [  480.021051]  [<ffffffff8161015e>] dev_remove+0xde/0x120
Jun 29 13:50:55 enigma kernel: [  480.021054]  [<ffffffff81610080>] ? dev_suspend+0x210/0x210
Jun 29 13:50:55 enigma kernel: [  480.021056]  [<ffffffff81610805>] ctl_ioctl+0x255/0x4d0
Jun 29 13:50:55 enigma kernel: [  480.021060]  [<ffffffff81610a93>] dm_ctl_ioctl+0x13/0x20
Jun 29 13:50:55 enigma kernel: [  480.021064]  [<ffffffff811f444d>] do_vfs_ioctl+0x2cd/0x4b0
Jun 29 13:50:55 enigma kernel: [  480.021068]  [<ffffffff81200974>] ? mntput+0x24/0x40
Jun 29 13:50:55 enigma kernel: [  480.021072]  [<ffffffff811e3450>] ? __fput+0x190/0x210
Jun 29 13:50:55 enigma kernel: [  480.021075]  [<ffffffff811f46a9>] SyS_ioctl+0x79/0x90
Jun 29 13:50:55 enigma kernel: [  480.021078]  [<ffffffff81782ab2>] entry_SYSCALL_64_fastpath+0x16/0x75