[ 5160.748389] INFO: task i915/0:834 blocked for more than 120 seconds.
[ 5160.748405] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5160.748426] i915/0        D c080a380     0   834      2 0x00000000
[ 5160.748437]  f697df04 00000046 f72c2000 c080a380 f69473a8 c080a380 1bb7c989 00000483
[ 5160.748452]  c080a380 c080a380 f69473a8 c080a380 00000000 00000483 c080a380 ee7388c0
[ 5160.748465]  f6947110 f7133414 f7133418 ffffffff f697df30 c0566ff6 c0736180 f713341c
[ 5160.748479] Call Trace:
[ 5160.748497]  [<c0566ff6>] __mutex_lock_slowpath+0xc6/0x130
[ 5160.748506]  [<c0566f10>] mutex_lock+0x20/0x40
[ 5160.748546]  [<f824e94a>] i915_gem_retire_work_handler+0x2a/0x70 [i915]
[ 5160.748566]  [<c01530de>] run_workqueue+0x6e/0x140
[ 5160.748594]  [<f824e920>] ? i915_gem_retire_work_handler+0x0/0x70 [i915]
[ 5160.748612]  [<c0153238>] worker_thread+0x88/0xe0
[ 5160.748624]  [<c01578e0>] ? autoremove_wake_function+0x0/0x40
[ 5160.748635]  [<c01531b0>] ? worker_thread+0x0/0xe0
[ 5160.748642]  [<c01575ec>] kthread+0x7c/0x90
[ 5160.748649]  [<c0157570>] ? kthread+0x0/0x90
[ 5160.748658]  [<c0103f17>] kernel_thread_helper+0x7/0x10
[ 5160.748693] INFO: task Xorg:2542 blocked for more than 120 seconds.
[ 5160.748698] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5160.748704] Xorg          D c080a380     0  2542   2541 0x00400004
[ 5160.748713]  f691fe28 00003086 00000000 c080a380 eea2c168 c080a380 f7e1955e 00000482
[ 5160.748727]  c080a380 c080a380 eea2c168 c080a380 f7de9e91 00000482 c080a380 eebabc00
[ 5160.748740]  eea2bed0 f7133414 f7133418 ffffffff f691fe54 c0566ff6 00000000 f713341c
[ 5160.748753] Call Trace:
[ 5160.748763]  [<c0566ff6>] __mutex_lock_slowpath+0xc6/0x130
[ 5160.748771]  [<c0566f10>] mutex_lock+0x20/0x40
[ 5160.748803]  [<f824ebcb>] i915_gem_throttle_ioctl+0x2b/0x70 [i915]
[ 5160.748812]  [<c01e25b5>] ? do_sync_readv_writev+0xb5/0xf0
[ 5160.748851]  [<f81466c0>] drm_ioctl+0x180/0x360 [drm]
[ 5160.748884]  [<f824eba0>] ? i915_gem_throttle_ioctl+0x0/0x70 [i915]
[ 5160.748895]  [<c02c2e1f>] ? security_file_permission+0xf/0x20
[ 5160.748903]  [<c01e284f>] ? rw_verify_area+0x5f/0xe0
[ 5160.748911]  [<c01e2c98>] ? rw_copy_check_uvector+0x78/0xf0
[ 5160.748920]  [<c01244f8>] ? default_spin_lock_flags+0x8/0x10
[ 5160.748928]  [<c056805a>] ? _spin_lock_irqsave+0x2a/0x40
[ 5160.748937]  [<c015aa65>] ? __remove_hrtimer+0x25/0x70
[ 5160.748945]  [<c015b2c3>] ? hrtimer_try_to_cancel+0x33/0x80
[ 5160.748954]  [<c0144aee>] ? do_setitimer+0x23e/0x300
[ 5160.748970]  [<c01f01b3>] vfs_ioctl+0x73/0x90
[ 5160.748978]  [<c01f0481>] do_vfs_ioctl+0x71/0x310
[ 5160.748986]  [<c0144beb>] ? sys_setitimer+0x3b/0x90
[ 5160.748993]  [<c01f077f>] sys_ioctl+0x5f/0x80
[ 5160.749001]  [<c010334c>] syscall_call+0x7/0xb
[ 5280.749295] INFO: task i915/0:834 blocked for more than 120 seconds.
[ 5280.749307] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5280.749317] i915/0        D c080a380     0   834      2 0x00000000
[ 5280.749331]  f697df04 00000046 f72c2000 c080a380 f69473a8 c080a380 1bb7c989 00000483
[ 5280.749352]  c080a380 c080a380 f69473a8 c080a380 00000000 00000483 c080a380 ee7388c0
[ 5280.749373]  f6947110 f7133414 f7133418 ffffffff f697df30 c0566ff6 c0736180 f713341c
[ 5280.749394] Call Trace:
[ 5280.749415]  [<c0566ff6>] __mutex_lock_slowpath+0xc6/0x130
[ 5280.749428]  [<c0566f10>] mutex_lock+0x20/0x40
[ 5280.749480]  [<f824e94a>] i915_gem_retire_work_handler+0x2a/0x70 [i915]
[ 5280.749508]  [<c01530de>] run_workqueue+0x6e/0x140
[ 5280.749551]  [<f824e920>] ? i915_gem_retire_work_handler+0x0/0x70 [i915]
[ 5280.749576]  [<c0153238>] worker_thread+0x88/0xe0
[ 5280.749596]  [<c01578e0>] ? autoremove_wake_function+0x0/0x40
[ 5280.749615]  [<c01531b0>] ? worker_thread+0x0/0xe0
[ 5280.749626]  [<c01575ec>] kthread+0x7c/0x90
[ 5280.749637]  [<c0157570>] ? kthread+0x0/0x90
[ 5280.749650]  [<c0103f17>] kernel_thread_helper+0x7/0x10
[ 5280.749693] INFO: task Xorg:2542 blocked for more than 120 seconds.
[ 5280.749701] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5280.749710] Xorg          D c080a380     0  2542   2541 0x00400004
[ 5280.749723]  f691fe28 00003086 00000000 c080a380 eea2c168 c080a380 f7e1955e 00000482
[ 5280.749744]  c080a380 c080a380 eea2c168 c080a380 f7de9e91 00000482 c080a380 eebabc00
[ 5280.749765]  eea2bed0 f7133414 f7133418 ffffffff f691fe54 c0566ff6 00000000 f713341c
[ 5280.749785] Call Trace:
[ 5280.749798]  [<c0566ff6>] __mutex_lock_slowpath+0xc6/0x130
[ 5280.749811]  [<c0566f10>] mutex_lock+0x20/0x40
[ 5280.749855]  [<f824ebcb>] i915_gem_throttle_ioctl+0x2b/0x70 [i915]
[ 5280.749868]  [<c01e25b5>] ? do_sync_readv_writev+0xb5/0xf0
[ 5280.749919]  [<f81466c0>] drm_ioctl+0x180/0x360 [drm]
[ 5280.749967]  [<f824eba0>] ? i915_gem_throttle_ioctl+0x0/0x70 [i915]
[ 5280.749982]  [<c02c2e1f>] ? security_file_permission+0xf/0x20
[ 5280.749994]  [<c01e284f>] ? rw_verify_area+0x5f/0xe0
[ 5280.750005]  [<c01e2c98>] ? rw_copy_check_uvector+0x78/0xf0
[ 5280.750019]  [<c01244f8>] ? default_spin_lock_flags+0x8/0x10
[ 5280.750031]  [<c056805a>] ? _spin_lock_irqsave+0x2a/0x40
[ 5280.750045]  [<c015aa65>] ? __remove_hrtimer+0x25/0x70
[ 5280.750057]  [<c015b2c3>] ? hrtimer_try_to_cancel+0x33/0x80
[ 5280.750070]  [<c0144aee>] ? do_setitimer+0x23e/0x300
[ 5280.750091]  [<c01f01b3>] vfs_ioctl+0x73/0x90
[ 5280.750103]  [<c01f0481>] do_vfs_ioctl+0x71/0x310
[ 5280.750114]  [<c0144beb>] ? sys_setitimer+0x3b/0x90
[ 5280.750126]  [<c01f077f>] sys_ioctl+0x5f/0x80
[ 5280.750138]  [<c010334c>] syscall_call+0x7/0xb