Nov  4 21:22:31 [boxname] kernel: [26781.658669] sd 2:0:0:0: [sdc] Assuming drive cache: write through
Nov  4 21:22:31 [boxname] kernel: [26781.658681] sd 2:0:0:0: [sdc] Attached SCSI removable disk
Nov  5 00:24:10 [boxname] kernel: [37680.664052] INFO: task i915/0:247 blocked for more than 120 seconds.
Nov  5 00:24:10 [boxname] kernel: [37680.664061] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov  5 00:24:10 [boxname] kernel: [37680.664066] i915/0        D c08145c0     0   247      2 0x00000000
Nov  5 00:24:10 [boxname] kernel: [37680.664073]  ef6b3f04 00000046 e7666000 c08145c0 ef6a1bb8 c08145c0 d9f38ce1 0000221b
Nov  5 00:24:10 [boxname] kernel: [37680.664083]  c08145c0 c08145c0 ef6a1bb8 c08145c0 d9f38406 0000221b c08145c0 ef588000
Nov  5 00:24:10 [boxname] kernel: [37680.664091]  ef6a1920 ef49ac14 ef49ac18 ffffffff ef6b3f30 c056f776 c0748e80 ef49ac1c
Nov  5 00:24:10 [boxname] kernel: [37680.664099] Call Trace:
Nov  5 00:24:10 [boxname] kernel: [37680.664116]  [<c056f776>] __mutex_lock_slowpath+0xc6/0x130
Nov  5 00:24:10 [boxname] kernel: [37680.664122]  [<c056f690>] mutex_lock+0x20/0x40
Nov  5 00:24:10 [boxname] kernel: [37680.664159]  [<f81f7c0a>] i915_gem_retire_work_handler+0x2a/0x70 [i915]
Nov  5 00:24:10 [boxname] kernel: [37680.664170]  [<c0157a7e>] run_workqueue+0x6e/0x140
Nov  5 00:24:10 [boxname] kernel: [37680.664188]  [<f81f7be0>] ? i915_gem_retire_work_handler+0x0/0x70 [i915]
Nov  5 00:24:10 [boxname] kernel: [37680.664195]  [<c0157bd8>] worker_thread+0x88/0xe0
Nov  5 00:24:10 [boxname] kernel: [37680.664200]  [<c015c280>] ? autoremove_wake_function+0x0/0x40
Nov  5 00:24:10 [boxname] kernel: [37680.664205]  [<c0157b50>] ? worker_thread+0x0/0xe0
Nov  5 00:24:10 [boxname] kernel: [37680.664210]  [<c015bf8c>] kthread+0x7c/0x90
Nov  5 00:24:10 [boxname] kernel: [37680.664214]  [<c015bf10>] ? kthread+0x0/0x90
Nov  5 00:24:10 [boxname] kernel: [37680.664219]  [<c0104007>] kernel_thread_helper+0x7/0x10