[ 72.201637] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.208615] [] warn_slowpath_fmt+0x46/0x48 [ 72.215618] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 72.222674] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.229743] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 72.236803] [] gen6_read32+0x78/0xeb [i915] [ 72.243853] [] gen8_ring_get_irq+0x99/0xb3 [i915] [ 72.250887] [] __wait_seqno+0x182/0x458 [i915] [ 72.257872] [] ? __init_waitqueue_head+0x50/0x50 [ 72.264900] [] i915_wait_seqno+0x6f/0x78 [i915] [ 72.271915] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 72.278948] [] i915_gem_object_set_to_gtt_domain+0x54/0x181 [i915] [ 72.285985] [] i915_gem_pwrite_ioctl+0x261/0x7f8 [i915] [ 72.292980] [] ? might_fault+0x43/0x93 [ 72.299978] [] drm_ioctl+0x2bd/0x425 [drm] [ 72.307019] [] ? i915_gem_set_domain_ioctl+0xf6/0xf6 [i915] [ 72.314078] [] ? __audit_syscall_exit+0x1f4/0x213 [ 72.321143] [] do_vfs_ioctl+0x455/0x49f [ 72.328176] [] ? current_kernel_time+0x64/0xa0 [ 72.335231] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 72.342185] [] ? trace_hardirqs_on+0xd/0xf [ 72.348983] [] SyS_ioctl+0x53/0x81 [ 72.355498] [] system_call_fastpath+0x16/0x1b [ 72.361749] ---[ end trace 77a59fccd1cabc2c ]--- [ 72.368110] ------------[ cut here ]------------ [ 72.374279] WARNING: CPU: 1 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 72.380584] GT wake FIFO error 0x1080000 [ 72.386839] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 72.400570] CPU: 1 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 72.407573] 0000000000000009 ffff88007508f9c8 ffffffff8182f9df 0000000000000046 [ 72.414614] ffff88007508fa18 ffff88007508fa08 ffffffff8103fa1c 0000000000000000 [ 72.421614] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000049980c8 [ 72.428590] Call Trace: [ 72.435480] [] dump_stack+0x46/0x58 [ 72.442412] [] warn_slowpath_common+0x81/0x9b [ 72.449388] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.456381] [] warn_slowpath_fmt+0x46/0x48 [ 72.463402] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 72.470470] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.477555] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 72.484636] [] gen6_read32+0x78/0xeb [i915] [ 72.491700] [] gen6_ring_get_seqno+0x2c/0x3a [i915] [ 72.498760] [] __wait_seqno+0x252/0x458 [i915] [ 72.505770] [] ? __init_waitqueue_head+0x50/0x50 [ 72.512825] [] i915_wait_seqno+0x6f/0x78 [i915] [ 72.519867] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 72.526926] [] i915_gem_object_set_to_gtt_domain+0x54/0x181 [i915] [ 72.533986] [] i915_gem_pwrite_ioctl+0x261/0x7f8 [i915] [ 72.540995] [] ? might_fault+0x43/0x93 [ 72.548024] [] drm_ioctl+0x2bd/0x425 [drm] [ 72.555092] [] ? i915_gem_set_domain_ioctl+0xf6/0xf6 [i915] [ 72.562182] [] ? __audit_syscall_exit+0x1f4/0x213 [ 72.569273] [] do_vfs_ioctl+0x455/0x49f [ 72.576325] [] ? current_kernel_time+0x64/0xa0 [ 72.583408] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 72.590379] [] ? trace_hardirqs_on+0xd/0xf [ 72.597195] [] SyS_ioctl+0x53/0x81 [ 72.603734] [] system_call_fastpath+0x16/0x1b [ 72.610002] ---[ end trace 77a59fccd1cabc2d ]--- [ 72.616395] ------------[ cut here ]------------ [ 72.622549] WARNING: CPU: 1 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 72.628870] GT wake FIFO error 0x1080000 [ 72.635143] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 72.648917] CPU: 1 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 72.655930] 0000000000000009 ffff88007508f9a8 ffffffff8182f9df 0000000000000046 [ 72.662977] ffff88007508f9f8 ffff88007508f9e8 ffffffff8103fa1c 0000000000000000 [ 72.669982] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000ffffffff [ 72.676976] Call Trace: [ 72.683878] [] dump_stack+0x46/0x58 [ 72.690823] [] warn_slowpath_common+0x81/0x9b [ 72.697818] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.704825] [] warn_slowpath_fmt+0x46/0x48 [ 72.711870] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 72.718947] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.726047] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 72.733141] [] gen8_write32+0xd5/0x109 [i915] [ 72.740218] [] gen8_ring_put_irq+0x6e/0x9c [i915] [ 72.747280] [] __wait_seqno+0x380/0x458 [i915] [ 72.754300] [] ? __init_waitqueue_head+0x50/0x50 [ 72.761359] [] i915_wait_seqno+0x6f/0x78 [i915] [ 72.768402] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 72.775467] [] i915_gem_object_set_to_gtt_domain+0x54/0x181 [i915] [ 72.782530] [] i915_gem_pwrite_ioctl+0x261/0x7f8 [i915] [ 72.789562] [] ? might_fault+0x43/0x93 [ 72.796595] [] drm_ioctl+0x2bd/0x425 [drm] [ 72.803670] [] ? i915_gem_set_domain_ioctl+0xf6/0xf6 [i915] [ 72.810768] [] ? __audit_syscall_exit+0x1f4/0x213 [ 72.817867] [] do_vfs_ioctl+0x455/0x49f [ 72.824930] [] ? current_kernel_time+0x64/0xa0 [ 72.832021] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 72.839002] [] ? trace_hardirqs_on+0xd/0xf [ 72.845830] [] SyS_ioctl+0x53/0x81 [ 72.852379] [] system_call_fastpath+0x16/0x1b [ 72.858660] ---[ end trace 77a59fccd1cabc2e ]--- [ 72.864933] ------------[ cut here ]------------ [ 72.871022] WARNING: CPU: 1 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 72.877328] GT wake FIFO error 0x1080000 [ 72.883598] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 72.897371] CPU: 1 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 72.904386] 0000000000000009 ffff88007508f9a8 ffffffff8182f9df 0000000000000046 [ 72.911447] ffff88007508f9f8 ffff88007508f9e8 ffffffff8103fa1c 0000000000000000 [ 72.918457] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000ffffffff [ 72.925455] Call Trace: [ 72.932346] [] dump_stack+0x46/0x58 [ 72.939293] [] warn_slowpath_common+0x81/0x9b [ 72.946283] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.953293] [] warn_slowpath_fmt+0x46/0x48 [ 72.960329] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 72.967411] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.974517] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 72.981607] [] gen6_read32+0x78/0xeb [i915] [ 72.988683] [] gen8_ring_put_irq+0x84/0x9c [i915] [ 72.995754] [] __wait_seqno+0x380/0x458 [i915] [ 73.002768] [] ? __init_waitqueue_head+0x50/0x50 [ 73.009840] [] i915_wait_seqno+0x6f/0x78 [i915] [ 73.016896] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 73.023964] [] i915_gem_object_set_to_gtt_domain+0x54/0x181 [i915] [ 73.031028] [] i915_gem_pwrite_ioctl+0x261/0x7f8 [i915] [ 73.038065] [] ? might_fault+0x43/0x93 [ 73.045101] [] drm_ioctl+0x2bd/0x425 [drm] [ 73.052190] [] ? i915_gem_set_domain_ioctl+0xf6/0xf6 [i915] [ 73.059290] [] ? __audit_syscall_exit+0x1f4/0x213 [ 73.066393] [] do_vfs_ioctl+0x455/0x49f [ 73.073461] [] ? current_kernel_time+0x64/0xa0 [ 73.080551] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 73.087538] [] ? trace_hardirqs_on+0xd/0xf [ 73.094365] [] SyS_ioctl+0x53/0x81 [ 73.100912] [] system_call_fastpath+0x16/0x1b [ 73.107192] ---[ end trace 77a59fccd1cabc2f ]--- [ 73.136247] ------------[ cut here ]------------ [ 73.142372] WARNING: CPU: 2 PID: 3799 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 73.148654] GT wake FIFO error 0x1080000 [ 73.154899] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 73.168612] CPU: 2 PID: 3799 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 73.175599] 0000000000000009 ffff8800750839f8 ffffffff8182f9df 0000000000000046 [ 73.182616] ffff880075083a48 ffff880075083a38 ffffffff8103fa1c 0000000000000000 [ 73.189603] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000fffeffff [ 73.196574] Call Trace: [ 73.203457] [] dump_stack+0x46/0x58 [ 73.210382] [] warn_slowpath_common+0x81/0x9b [ 73.217360] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 73.224352] [] warn_slowpath_fmt+0x46/0x48 [ 73.231377] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 73.238450] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 73.245538] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 73.252614] [] gen8_write32+0xd5/0x109 [i915] [ 73.259684] [] gen8_ring_get_irq+0x83/0xb3 [i915] [ 73.266733] [] __wait_seqno+0x182/0x458 [i915] [ 73.273735] [] ? __init_waitqueue_head+0x50/0x50 [ 73.280766] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 73.287768] [] ? trace_hardirqs_on+0xd/0xf [ 73.294772] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 73.301826] [] i915_wait_seqno+0x6f/0x78 [i915] [ 73.308876] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 73.315956] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 73.323062] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 73.330137] [] ? might_fault+0x43/0x93 [ 73.337215] [] drm_ioctl+0x2bd/0x425 [drm] [ 73.344297] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 73.351417] [] ? mntput_no_expire+0x63/0x214 [ 73.358413] [] ? mntput_no_expire+0x17/0x214 [ 73.365243] [] do_vfs_ioctl+0x455/0x49f [ 73.371801] [] ? current_kernel_time+0x64/0xa0 [ 73.378087] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 73.384276] [] ? trace_hardirqs_on+0xd/0xf [ 73.390307] [] SyS_ioctl+0x53/0x81 [ 73.396344] [] system_call_fastpath+0x16/0x1b [ 73.402378] ---[ end trace 77a59fccd1cabc30 ]--- [ 73.408462] ------------[ cut here ]------------ [ 73.414473] WARNING: CPU: 2 PID: 3799 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 73.420686] GT wake FIFO error 0x1080000 [ 73.426850] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 73.440420] CPU: 2 PID: 3799 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 73.447300] 0000000000000009 ffff8800750839f8 ffffffff8182f9df 0000000000000046 [ 73.454236] ffff880075083a48 ffff880075083a38 ffffffff8103fa1c 0000000000000000 [ 73.461133] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000fffeffff [ 73.468065] Call Trace: [ 73.474919] [] dump_stack+0x46/0x58 [ 73.481820] [] warn_slowpath_common+0x81/0x9b [ 73.488767] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 73.495720] [] warn_slowpath_fmt+0x46/0x48 [ 73.502702] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 73.509728] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 73.516762] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 73.523799] [] gen6_read32+0x78/0xeb [i915] [ 73.530807] [] gen8_ring_get_irq+0x99/0xb3 [i915] [ 73.537803] [] __wait_seqno+0x182/0x458 [i915] [ 73.544757] [] ? __init_waitqueue_head+0x50/0x50 [ 73.551737] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 73.558708] [] ? trace_hardirqs_on+0xd/0xf [ 73.565723] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 73.572801] [] i915_wait_seqno+0x6f/0x78 [i915] [ 73.579875] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 73.586963] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 73.594066] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 73.601012] [] ? might_fault+0x43/0x93 [ 73.607850] [] drm_ioctl+0x2bd/0x425 [drm] [ 73.614444] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 73.620790] [] ? mntput_no_expire+0x63/0x214 [ 73.627019] [] ? mntput_no_expire+0x17/0x214 [ 73.633079] [] do_vfs_ioctl+0x455/0x49f [ 73.639145] [] ? current_kernel_time+0x64/0xa0 [ 73.645207] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 73.651240] [] ? trace_hardirqs_on+0xd/0xf [ 73.657221] [] SyS_ioctl+0x53/0x81 [ 73.663187] [] system_call_fastpath+0x16/0x1b [ 73.669140] ---[ end trace 77a59fccd1cabc31 ]--- [ 73.675904] ------------[ cut here ]------------ [ 73.681984] WARNING: CPU: 2 PID: 3799 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 73.688220] GT wake FIFO error 0x1080000 [ 73.694407] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 73.707904] CPU: 2 PID: 3799 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 73.714756] 0000000000000009 ffff880075083a18 ffffffff8182f9df 0000000000000046 [ 73.721676] ffff880075083a68 ffff880075083a58 ffffffff8103fa1c 0000000000000000 [ 73.728569] ffffffffa01213d1 0000000001080000 ffff880002c50078 000000000289c0fc [ 73.735470] Call Trace: [ 73.742280] [] dump_stack+0x46/0x58 [ 73.749120] [] warn_slowpath_common+0x81/0x9b [ 73.756007] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 73.762901] [] warn_slowpath_fmt+0x46/0x48 [ 73.769820] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 73.776781] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 73.783767] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 73.790727] [] gen6_read32+0x78/0xeb [i915] [ 73.797653] [] gen6_ring_get_seqno+0x2c/0x3a [i915] [ 73.804634] [] __wait_seqno+0x252/0x458 [i915] [ 73.811591] [] ? __init_waitqueue_head+0x50/0x50 [ 73.818574] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 73.825551] [] ? trace_hardirqs_on+0xd/0xf [ 73.832567] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 73.839646] [] i915_wait_seqno+0x6f/0x78 [i915] [ 73.846724] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 73.853823] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 73.860941] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 73.867903] [] ? might_fault+0x43/0x93 [ 73.874747] [] drm_ioctl+0x2bd/0x425 [drm] [ 73.881348] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 73.887711] [] ? mntput_no_expire+0x63/0x214 [ 73.893941] [] ? mntput_no_expire+0x17/0x214 [ 73.900010] [] do_vfs_ioctl+0x455/0x49f [ 73.906085] [] ? current_kernel_time+0x64/0xa0 [ 73.912154] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 73.918196] [] ? trace_hardirqs_on+0xd/0xf [ 73.924188] [] SyS_ioctl+0x53/0x81 [ 73.930168] [] system_call_fastpath+0x16/0x1b [ 73.936131] ---[ end trace 77a59fccd1cabc32 ]--- [ 73.943379] ------------[ cut here ]------------ [ 73.949461] WARNING: CPU: 2 PID: 3799 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 73.955633] GT wake FIFO error 0x1080000 [ 73.961706] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 73.975167] CPU: 2 PID: 3799 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 73.982024] 0000000000000009 ffff8800750839f8 ffffffff8182f9df 0000000000000046 [ 73.988947] ffff880075083a48 ffff880075083a38 ffffffff8103fa1c 0000000000000000 [ 73.995857] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000ffffffff [ 74.002779] Call Trace: [ 74.009599] [] dump_stack+0x46/0x58 [ 74.016455] [] warn_slowpath_common+0x81/0x9b [ 74.023351] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.030256] [] warn_slowpath_fmt+0x46/0x48 [ 74.037190] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 74.044162] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.051163] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 74.058140] [] gen8_write32+0xd5/0x109 [i915] [ 74.065076] [] gen8_ring_put_irq+0x6e/0x9c [i915] [ 74.072057] [] __wait_seqno+0x380/0x458 [i915] [ 74.079015] [] ? __init_waitqueue_head+0x50/0x50 [ 74.086001] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 74.092977] [] ? trace_hardirqs_on+0xd/0xf [ 74.099996] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 74.107078] [] i915_wait_seqno+0x6f/0x78 [i915] [ 74.114160] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 74.121258] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 74.128368] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 74.135325] [] ? might_fault+0x43/0x93 [ 74.142170] [] drm_ioctl+0x2bd/0x425 [drm] [ 74.148773] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 74.155127] [] ? mntput_no_expire+0x63/0x214 [ 74.161358] [] ? mntput_no_expire+0x17/0x214 [ 74.167426] [] do_vfs_ioctl+0x455/0x49f [ 74.173500] [] ? current_kernel_time+0x64/0xa0 [ 74.179576] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 74.185618] [] ? trace_hardirqs_on+0xd/0xf [ 74.191617] [] SyS_ioctl+0x53/0x81 [ 74.197603] [] system_call_fastpath+0x16/0x1b [ 74.203569] ---[ end trace 77a59fccd1cabc33 ]--- [ 74.209615] ------------[ cut here ]------------ [ 74.215558] WARNING: CPU: 2 PID: 3799 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 74.221679] GT wake FIFO error 0x1080000 [ 74.227754] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 74.241226] CPU: 2 PID: 3799 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 74.248088] 0000000000000009 ffff8800750839f8 ffffffff8182f9df 0000000000000046 [ 74.255017] ffff880075083a48 ffff880075083a38 ffffffff8103fa1c 0000000000000000 [ 74.261924] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000ffffffff [ 74.268839] Call Trace: [ 74.275656] [] dump_stack+0x46/0x58 [ 74.282507] [] warn_slowpath_common+0x81/0x9b [ 74.289397] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.296301] [] warn_slowpath_fmt+0x46/0x48 [ 74.303232] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 74.310211] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.317211] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 74.324184] [] gen6_read32+0x78/0xeb [i915] [ 74.331125] [] gen8_ring_put_irq+0x84/0x9c [i915] [ 74.338115] [] __wait_seqno+0x380/0x458 [i915] [ 74.345073] [] ? __init_waitqueue_head+0x50/0x50 [ 74.352058] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 74.359033] [] ? trace_hardirqs_on+0xd/0xf [ 74.366052] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 74.373135] [] i915_wait_seqno+0x6f/0x78 [i915] [ 74.380221] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 74.387320] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 74.394431] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 74.401386] [] ? might_fault+0x43/0x93 [ 74.408230] [] drm_ioctl+0x2bd/0x425 [drm] [ 74.414832] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 74.421185] [] ? mntput_no_expire+0x63/0x214 [ 74.427417] [] ? mntput_no_expire+0x17/0x214 [ 74.433484] [] do_vfs_ioctl+0x455/0x49f [ 74.439556] [] ? current_kernel_time+0x64/0xa0 [ 74.445629] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 74.451664] [] ? trace_hardirqs_on+0xd/0xf [ 74.457656] [] SyS_ioctl+0x53/0x81 [ 74.463635] [] system_call_fastpath+0x16/0x1b [ 74.469594] ---[ end trace 77a59fccd1cabc34 ]--- [ 74.557690] ------------[ cut here ]------------ [ 74.563782] WARNING: CPU: 2 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 74.569950] GT wake FIFO error 0x1080000 [ 74.576036] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 74.589508] CPU: 2 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 74.596372] 0000000000000009 ffff88007508f9f8 ffffffff8182f9df 0000000000000046 [ 74.603305] ffff88007508fa48 ffff88007508fa38 ffffffff8103fa1c 0000000000000000 [ 74.610215] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000fffeffff [ 74.617133] Call Trace: [ 74.623943] [] dump_stack+0x46/0x58 [ 74.630797] [] warn_slowpath_common+0x81/0x9b [ 74.637694] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.644596] [] warn_slowpath_fmt+0x46/0x48 [ 74.651527] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 74.658501] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.665496] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 74.672477] [] gen8_write32+0xd5/0x109 [i915] [ 74.679427] [] gen8_ring_get_irq+0x83/0xb3 [i915] [ 74.686407] [] __wait_seqno+0x182/0x458 [i915] [ 74.693359] [] ? __init_waitqueue_head+0x50/0x50 [ 74.700340] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 74.707314] [] ? trace_hardirqs_on+0xd/0xf [ 74.714328] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 74.721407] [] i915_wait_seqno+0x6f/0x78 [i915] [ 74.728484] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 74.735572] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 74.742677] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 74.749629] [] ? might_fault+0x43/0x93 [ 74.756468] [] drm_ioctl+0x2bd/0x425 [drm] [ 74.763067] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 74.769417] [] ? mntput_no_expire+0x63/0x214 [ 74.775642] [] ? mntput_no_expire+0x17/0x214 [ 74.781704] [] do_vfs_ioctl+0x455/0x49f [ 74.787772] [] ? current_kernel_time+0x64/0xa0 [ 74.793831] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 74.799862] [] ? trace_hardirqs_on+0xd/0xf [ 74.805842] [] SyS_ioctl+0x53/0x81 [ 74.811814] [] system_call_fastpath+0x16/0x1b [ 74.817767] ---[ end trace 77a59fccd1cabc35 ]--- [ 74.823818] ------------[ cut here ]------------ [ 74.829742] WARNING: CPU: 2 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 74.835842] GT wake FIFO error 0x1080000 [ 74.841902] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 74.855341] CPU: 2 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 74.862192] 0000000000000009 ffff88007508f9f8 ffffffff8182f9df 0000000000000046 [ 74.869105] ffff88007508fa48 ffff88007508fa38 ffffffff8103fa1c 0000000000000000 [ 74.875996] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000fffeffff [ 74.882895] Call Trace: [ 74.889697] [] dump_stack+0x46/0x58 [ 74.896536] [] warn_slowpath_common+0x81/0x9b [ 74.903413] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.910308] [] warn_slowpath_fmt+0x46/0x48 [ 74.917230] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 74.924191] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 74.931177] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 74.938140] [] gen6_read32+0x78/0xeb [i915] [ 74.945065] [] gen8_ring_get_irq+0x99/0xb3 [i915] [ 74.952043] [] __wait_seqno+0x182/0x458 [i915] [ 74.959049] [] ? __init_waitqueue_head+0x50/0x50 [ 74.966021] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 74.972984] [] ? trace_hardirqs_on+0xd/0xf [ 74.979989] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 74.987058] [] i915_wait_seqno+0x6f/0x78 [i915] [ 74.994129] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 75.001219] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 75.008321] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 75.015266] [] ? might_fault+0x43/0x93 [ 75.022100] [] drm_ioctl+0x2bd/0x425 [drm] [ 75.028693] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 75.035039] [] ? mntput_no_expire+0x63/0x214 [ 75.041264] [] ? mntput_no_expire+0x17/0x214 [ 75.047326] [] do_vfs_ioctl+0x455/0x49f [ 75.053392] [] ? current_kernel_time+0x64/0xa0 [ 75.059457] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 75.065492] [] ? trace_hardirqs_on+0xd/0xf [ 75.071478] [] SyS_ioctl+0x53/0x81 [ 75.077450] [] system_call_fastpath+0x16/0x1b [ 75.083404] ---[ end trace 77a59fccd1cabc36 ]--- [ 75.090384] ------------[ cut here ]------------ [ 75.096465] WARNING: CPU: 2 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 75.102704] GT wake FIFO error 0x1080000 [ 75.108896] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 75.122413] CPU: 2 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 75.129279] 0000000000000009 ffff88007508fa18 ffffffff8182f9df 0000000000000046 [ 75.136203] ffff88007508fa68 ffff88007508fa58 ffffffff8103fa1c 0000000000000000 [ 75.143105] ffffffffa01213d1 0000000001080000 ffff880002c50078 0000000000010040 [ 75.150005] Call Trace: [ 75.156810] [] dump_stack+0x46/0x58 [ 75.163647] [] warn_slowpath_common+0x81/0x9b [ 75.170533] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 75.177426] [] warn_slowpath_fmt+0x46/0x48 [ 75.184344] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 75.191307] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 75.198291] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 75.205234] [] gen6_read32+0x78/0xeb [i915] [ 75.212167] [] gen6_ring_get_seqno+0x2c/0x3a [i915] [ 75.219151] [] __wait_seqno+0x252/0x458 [i915] [ 75.226106] [] ? __init_waitqueue_head+0x50/0x50 [ 75.233089] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 75.240061] [] ? trace_hardirqs_on+0xd/0xf [ 75.247077] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 75.254156] [] i915_wait_seqno+0x6f/0x78 [i915] [ 75.261232] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 75.268324] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 75.275429] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 75.282382] [] ? might_fault+0x43/0x93 [ 75.289231] [] drm_ioctl+0x2bd/0x425 [drm] [ 75.295833] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 75.302190] [] ? mntput_no_expire+0x63/0x214 [ 75.308425] [] ? mntput_no_expire+0x17/0x214 [ 75.314497] [] do_vfs_ioctl+0x455/0x49f [ 75.320574] [] ? current_kernel_time+0x64/0xa0 [ 75.326647] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 75.332689] [] ? trace_hardirqs_on+0xd/0xf [ 75.338686] [] SyS_ioctl+0x53/0x81 [ 75.344668] [] system_call_fastpath+0x16/0x1b [ 75.350627] ---[ end trace 77a59fccd1cabc37 ]--- [ 75.357610] ------------[ cut here ]------------ [ 75.363690] WARNING: CPU: 2 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 75.369867] GT wake FIFO error 0x1080000 [ 75.375933] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 75.389389] CPU: 2 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 75.396244] 0000000000000009 ffff88007508f9f8 ffffffff8182f9df 0000000000000046 [ 75.403155] ffff88007508fa48 ffff88007508fa38 ffffffff8103fa1c 0000000000000000 [ 75.410060] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000ffffffff [ 75.416974] Call Trace: [ 75.423792] [] dump_stack+0x46/0x58 [ 75.430644] [] warn_slowpath_common+0x81/0x9b [ 75.437543] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 75.444444] [] warn_slowpath_fmt+0x46/0x48 [ 75.451372] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 75.458342] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 75.465330] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 75.472295] [] gen8_write32+0xd5/0x109 [i915] [ 75.479228] [] gen8_ring_put_irq+0x6e/0x9c [i915] [ 75.486201] [] __wait_seqno+0x380/0x458 [i915] [ 75.493149] [] ? __init_waitqueue_head+0x50/0x50 [ 75.500125] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 75.507093] [] ? trace_hardirqs_on+0xd/0xf [ 75.514104] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 75.521179] [] i915_wait_seqno+0x6f/0x78 [i915] [ 75.528254] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 75.535342] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 75.542448] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 75.549398] [] ? might_fault+0x43/0x93 [ 75.556233] [] drm_ioctl+0x2bd/0x425 [drm] [ 75.562825] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 75.569169] [] ? mntput_no_expire+0x63/0x214 [ 75.575395] [] ? mntput_no_expire+0x17/0x214 [ 75.581462] [] do_vfs_ioctl+0x455/0x49f [ 75.587534] [] ? current_kernel_time+0x64/0xa0 [ 75.593606] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 75.599652] [] ? trace_hardirqs_on+0xd/0xf [ 75.605654] [] SyS_ioctl+0x53/0x81 [ 75.611643] [] system_call_fastpath+0x16/0x1b [ 75.617617] ---[ end trace 77a59fccd1cabc38 ]--- [ 75.623661] ------------[ cut here ]------------ [ 75.629603] WARNING: CPU: 2 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 75.635719] GT wake FIFO error 0x1080000 [ 75.641791] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 75.655244] CPU: 2 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 75.662097] 0000000000000009 ffff88007508f9f8 ffffffff8182f9df 0000000000000046 [ 75.669014] ffff88007508fa48 ffff88007508fa38 ffffffff8103fa1c 0000000000000000 [ 75.675911] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000ffffffff [ 75.682813] Call Trace: [ 75.689618] [] dump_stack+0x46/0x58 [ 75.696460] [] warn_slowpath_common+0x81/0x9b [ 75.703342] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 75.710241] [] warn_slowpath_fmt+0x46/0x48 [ 75.717166] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 75.724130] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 75.731118] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 75.738081] [] gen6_read32+0x78/0xeb [i915] [ 75.745008] [] gen8_ring_put_irq+0x84/0x9c [i915] [ 75.751986] [] __wait_seqno+0x380/0x458 [i915] [ 75.758936] [] ? __init_waitqueue_head+0x50/0x50 [ 75.765906] [] ? drm_gem_object_lookup+0x24/0x9a [drm] [ 75.772870] [] ? trace_hardirqs_on+0xd/0xf [ 75.779878] [] ? i915_mutex_lock_interruptible+0x2c/0x4c [i915] [ 75.786951] [] i915_wait_seqno+0x6f/0x78 [i915] [ 75.794020] [] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 75.801105] [] i915_gem_obj_prepare_shmem_read+0x58/0x8e [i915] [ 75.808209] [] i915_gem_pread_ioctl+0x121/0x48a [i915] [ 75.815155] [] ? might_fault+0x43/0x93 [ 75.821995] [] drm_ioctl+0x2bd/0x425 [drm] [ 75.828591] [] ? i915_gem_obj_prepare_shmem_read+0x8e/0x8e [i915] [ 75.834936] [] ? mntput_no_expire+0x63/0x214 [ 75.841163] [] ? mntput_no_expire+0x17/0x214 [ 75.847226] [] do_vfs_ioctl+0x455/0x49f [ 75.853291] [] ? current_kernel_time+0x64/0xa0 [ 75.859351] [] ? trace_hardirqs_on_caller+0x142/0x19e [ 75.865380] [] ? trace_hardirqs_on+0xd/0xf [ 75.871361] [] SyS_ioctl+0x53/0x81 [ 75.877329] [] system_call_fastpath+0x16/0x1b [ 75.883279] ---[ end trace 77a59fccd1cabc39 ]--- [ 75.934412] [drm:intel_crtc_cursor_set] cursor off [ 75.934427] [drm:intel_crtc_set_config] [CRTC:5] [NOFB] [ 75.934505] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:5], mode_changed=0, fb_changed=0 [ 75.934514] [drm:intel_modeset_stage_output_state] [CONNECTOR:25:HDMI-A-3] to [CRTC:13] [ 75.934549] [drm:intel_crtc_cursor_set] cursor off [ 75.934557] [drm:intel_crtc_set_config] [CRTC:9] [NOFB] [ 75.934629] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:9], mode_changed=0, fb_changed=0 [ 75.934636] [drm:intel_modeset_stage_output_state] [CONNECTOR:25:HDMI-A-3] to [CRTC:13] [ 75.934670] [drm:intel_crtc_cursor_set] cursor off [ 75.934680] [drm:intel_crtc_set_config] [CRTC:13] [FB:55] #connectors=1 (x y) (0 0) [ 75.934834] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:13], mode_changed=0, fb_changed=0 [ 75.934850] [drm:intel_modeset_stage_output_state] [CONNECTOR:25:HDMI-A-3] to [CRTC:13] [ 78.227986] ------------[ cut here ]------------ [ 78.233950] WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 78.240074] GT wake FIFO error 0x1080000 [ 78.246137] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 78.259583] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 78.266407] 0000000000000009 ffff88007bd03c78 ffffffff8182f9df 0000000000000046 [ 78.273297] ffff88007bd03cc8 ffff88007bd03cb8 ffffffff8103fa1c 0000000000000000 [ 78.280162] ffffffffa01213d1 0000000001080000 ffff880002c50078 0000000000000108 [ 78.287029] Call Trace: [ 78.293795] [] dump_stack+0x46/0x58 [ 78.300644] [] warn_slowpath_common+0x81/0x9b [ 78.307528] [] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 78.314423] [] warn_slowpath_fmt+0x46/0x48 [ 78.321342] [] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 78.328307] [] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 78.335296] [] __vlv_force_wake_put+0x3c/0x3e [i915] [ 78.342261] [] gen6_read32+0x78/0xeb [i915] [ 78.349191] [] gen6_ring_get_seqno+0x2c/0x3a [i915] [ 78.356176] [] i915_hangcheck_elapsed+0xc6/0x3a6 [i915] [ 78.363142] [] ? call_timer_fn+0x5/0x15a [ 78.370142] [