[ 1966.639117] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.639166] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.639216] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.639267] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.639299] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.639331] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.639365] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.639371] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.639377] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.639382] [] ? shrink_zone+0x67/0x92 [ 1966.639388] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.639394] [] ? try_to_free_pages+0xcc/0x108 [ 1966.639400] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.639406] [] ? alloc_pages_current+0xad/0xca [ 1966.639438] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.639488] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.639529] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.639535] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.639567] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.639607] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.639639] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.639680] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.639687] [] ? schedule+0x6b/0x78 [ 1966.639692] [] ? futex_wait+0x139/0x1dc [ 1966.639698] [] ? __kmalloc+0x65/0x13d [ 1966.639728] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.639743] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.639773] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.639779] [] ? set_next_entity+0x32/0x55 [ 1966.639784] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.639791] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.639796] [] ? SyS_futex+0xb7/0x132 [ 1966.639801] [] ? task_work_run+0x84/0x96 [ 1966.639807] [] ? SyS_ioctl+0x49/0x7a [ 1966.639812] [] ? system_call_fastpath+0x12/0x17 [ 1966.639816] ---[ end trace 045490b4de698de4 ]--- [ 1966.639819] ------------[ cut here ]------------ [ 1966.639848] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.639851] WARN_ON(!pd->page_table[pde]) [ 1966.639853] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.639885] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.639888] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.639893] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.639899] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.639904] Call Trace: [ 1966.639910] [] ? dump_stack+0x40/0x50 [ 1966.639916] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.639946] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.639952] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.639983] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.640013] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.640045] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.640076] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.640139] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.640190] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.640216] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.640244] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.640265] [] ? shrink_zone+0x67/0x92 [ 1966.640271] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.640277] [] ? try_to_free_pages+0xcc/0x108 [ 1966.640283] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.640289] [] ? alloc_pages_current+0xad/0xca [ 1966.640319] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.640349] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.640381] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.640387] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.640419] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.640449] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.640479] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.640509] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.640515] [] ? schedule+0x6b/0x78 [ 1966.640533] [] ? futex_wait+0x139/0x1dc [ 1966.640562] [] ? __kmalloc+0x65/0x13d [ 1966.640598] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.640613] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.640643] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.640649] [] ? set_next_entity+0x32/0x55 [ 1966.640655] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.640661] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.640666] [] ? SyS_futex+0xb7/0x132 [ 1966.640671] [] ? task_work_run+0x84/0x96 [ 1966.640677] [] ? SyS_ioctl+0x49/0x7a [ 1966.640683] [] ? system_call_fastpath+0x12/0x17 [ 1966.640687] ---[ end trace 045490b4de698de5 ]--- [ 1966.640707] ------------[ cut here ]------------ [ 1966.640752] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.640762] WARN_ON(!pd->page_table[pde]) [ 1966.640764] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.640796] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.640799] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.640804] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.640809] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.640815] Call Trace: [ 1966.640821] [] ? dump_stack+0x40/0x50 [ 1966.640827] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.640857] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.640887] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.640927] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.640957] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.640989] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.641021] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.641066] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.641107] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.641122] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.641128] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.641134] [] ? shrink_zone+0x67/0x92 [ 1966.641140] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.641161] [] ? try_to_free_pages+0xcc/0x108 [ 1966.641167] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.641173] [] ? alloc_pages_current+0xad/0xca [ 1966.641205] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.641245] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.641282] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.641288] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.641320] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.641350] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.641379] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.641410] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.641416] [] ? schedule+0x6b/0x78 [ 1966.641421] [] ? futex_wait+0x139/0x1dc [ 1966.641427] [] ? __kmalloc+0x65/0x13d [ 1966.641457] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.641472] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.641502] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.641508] [] ? set_next_entity+0x32/0x55 [ 1966.641513] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.641519] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.641524] [] ? SyS_futex+0xb7/0x132 [ 1966.641530] [] ? task_work_run+0x84/0x96 [ 1966.641535] [] ? SyS_ioctl+0x49/0x7a [ 1966.641541] [] ? system_call_fastpath+0x12/0x17 [ 1966.641545] ---[ end trace 045490b4de698de6 ]--- [ 1966.641547] ------------[ cut here ]------------ [ 1966.641577] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.641580] WARN_ON(!pd->page_table[pde]) [ 1966.641582] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.641614] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.641617] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.641622] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.641627] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.641633] Call Trace: [ 1966.641639] [] ? dump_stack+0x40/0x50 [ 1966.641645] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.641675] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.641681] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.641711] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.641741] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.641773] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.641805] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.641837] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.641870] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.641876] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.641882] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.641888] [] ? shrink_zone+0x67/0x92 [ 1966.641894] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.641899] [] ? try_to_free_pages+0xcc/0x108 [ 1966.641905] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.641912] [] ? alloc_pages_current+0xad/0xca [ 1966.641942] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.641972] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.642003] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.642009] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.642041] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.642071] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.642130] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.642179] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.642204] [] ? schedule+0x6b/0x78 [ 1966.642228] [] ? futex_wait+0x139/0x1dc [ 1966.642253] [] ? __kmalloc+0x65/0x13d [ 1966.642303] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.642332] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.642362] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.642368] [] ? set_next_entity+0x32/0x55 [ 1966.642374] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.642380] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.642385] [] ? SyS_futex+0xb7/0x132 [ 1966.642391] [] ? task_work_run+0x84/0x96 [ 1966.642396] [] ? SyS_ioctl+0x49/0x7a [ 1966.642402] [] ? system_call_fastpath+0x12/0x17 [ 1966.642406] ---[ end trace 045490b4de698de7 ]--- [ 1966.642408] ------------[ cut here ]------------ [ 1966.642438] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.642441] WARN_ON(!pd->page_table[pde]) [ 1966.642443] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.642475] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.642478] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.642483] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.642488] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.642494] Call Trace: [ 1966.642500] [] ? dump_stack+0x40/0x50 [ 1966.642506] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.642536] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.642542] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.642573] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.642603] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.642635] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.642668] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.642720] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.642770] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.642799] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.642816] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.642822] [] ? shrink_zone+0x67/0x92 [ 1966.642828] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.642834] [] ? try_to_free_pages+0xcc/0x108 [ 1966.642840] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.642846] [] ? alloc_pages_current+0xad/0xca [ 1966.642876] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.642907] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.642938] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.642944] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.642976] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.643006] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.643037] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.643088] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.643113] [] ? schedule+0x6b/0x78 [ 1966.643122] [] ? futex_wait+0x139/0x1dc [ 1966.643128] [] ? __kmalloc+0x65/0x13d [ 1966.643158] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.643174] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.643203] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.643209] [] ? set_next_entity+0x32/0x55 [ 1966.643215] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.643221] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.643226] [] ? SyS_futex+0xb7/0x132 [ 1966.643241] [] ? task_work_run+0x84/0x96 [ 1966.643269] [] ? SyS_ioctl+0x49/0x7a [ 1966.643274] [] ? system_call_fastpath+0x12/0x17 [ 1966.643278] ---[ end trace 045490b4de698de8 ]--- [ 1966.643281] ------------[ cut here ]------------ [ 1966.643311] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.643313] WARN_ON(!pd->page_table[pde]) [ 1966.643315] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.643367] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.643370] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.643376] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.643381] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.643400] Call Trace: [ 1966.643406] [] ? dump_stack+0x40/0x50 [ 1966.643412] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.643442] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.643462] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.643494] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.643534] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.643566] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.643598] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.643630] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.643663] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.643669] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.643675] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.643681] [] ? shrink_zone+0x67/0x92 [ 1966.643686] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.643692] [] ? try_to_free_pages+0xcc/0x108 [ 1966.643698] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.643705] [] ? alloc_pages_current+0xad/0xca [ 1966.643735] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.643765] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.643796] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.643802] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.643834] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.643864] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.643894] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.643924] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.643930] [] ? schedule+0x6b/0x78 [ 1966.643935] [] ? futex_wait+0x139/0x1dc [ 1966.643941] [] ? __kmalloc+0x65/0x13d [ 1966.643971] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.643986] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.644016] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.644022] [] ? set_next_entity+0x32/0x55 [ 1966.644027] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.644033] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.644039] [] ? SyS_futex+0xb7/0x132 [ 1966.644044] [] ? task_work_run+0x84/0x96 [ 1966.644049] [] ? SyS_ioctl+0x49/0x7a [ 1966.644055] [] ? system_call_fastpath+0x12/0x17 [ 1966.644058] ---[ end trace 045490b4de698de9 ]--- [ 1966.644061] ------------[ cut here ]------------ [ 1966.644091] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.644121] WARN_ON(!pd->page_table[pde]) [ 1966.644133] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.644234] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.644237] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.644243] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.644248] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.644253] Call Trace: [ 1966.644260] [] ? dump_stack+0x40/0x50 [ 1966.644266] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.644296] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.644303] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.644333] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.644363] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.644395] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.644427] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.644461] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.644513] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.644536] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.644542] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.644548] [] ? shrink_zone+0x67/0x92 [ 1966.644554] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.644560] [] ? try_to_free_pages+0xcc/0x108 [ 1966.644566] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.644572] [] ? alloc_pages_current+0xad/0xca [ 1966.644602] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.644633] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.644665] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.644693] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.644734] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.644764] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.644795] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.644836] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.644843] [] ? schedule+0x6b/0x78 [ 1966.644848] [] ? futex_wait+0x139/0x1dc [ 1966.644867] [] ? __kmalloc+0x65/0x13d [ 1966.644897] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.644919] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.644949] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.644963] [] ? set_next_entity+0x32/0x55 [ 1966.644968] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.644974] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.644980] [] ? SyS_futex+0xb7/0x132 [ 1966.644997] [] ? task_work_run+0x84/0x96 [ 1966.645003] [] ? SyS_ioctl+0x49/0x7a [ 1966.645009] [] ? system_call_fastpath+0x12/0x17 [ 1966.645012] ---[ end trace 045490b4de698dea ]--- [ 1966.645015] ------------[ cut here ]------------ [ 1966.645046] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.645064] WARN_ON(!pd->page_table[pde]) [ 1966.645076] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.645109] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.645112] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.645118] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.645124] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.645130] Call Trace: [ 1966.645162] [] ? dump_stack+0x40/0x50 [ 1966.645168] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.645198] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.645205] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.645249] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.645280] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.645312] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.645343] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.645376] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.645408] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.645415] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.645420] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.645426] [] ? shrink_zone+0x67/0x92 [ 1966.645432] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.645438] [] ? try_to_free_pages+0xcc/0x108 [ 1966.645444] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.645450] [] ? alloc_pages_current+0xad/0xca [ 1966.645480] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.645510] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.645541] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.645547] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.645579] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.645609] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.645639] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.645669] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.645675] [] ? schedule+0x6b/0x78 [ 1966.645681] [] ? futex_wait+0x139/0x1dc [ 1966.645687] [] ? __kmalloc+0x65/0x13d [ 1966.645716] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.645732] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.645761] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.645767] [] ? set_next_entity+0x32/0x55 [ 1966.645773] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.645779] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.645784] [] ? SyS_futex+0xb7/0x132 [ 1966.645789] [] ? task_work_run+0x84/0x96 [ 1966.645795] [] ? SyS_ioctl+0x49/0x7a [ 1966.645800] [] ? system_call_fastpath+0x12/0x17 [ 1966.645804] ---[ end trace 045490b4de698deb ]--- [ 1966.645807] ------------[ cut here ]------------ [ 1966.645836] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.645839] WARN_ON(!pd->page_table[pde]) [ 1966.645841] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.645873] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.645876] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.645881] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.645886] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.645892] Call Trace: [ 1966.645898] [] ? dump_stack+0x40/0x50 [ 1966.645904] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.645934] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.645940] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.645970] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.646000] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.646032] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.646064] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.646110] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.646165] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.646191] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.646218] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.646242] [] ? shrink_zone+0x67/0x92 [ 1966.646266] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.646293] [] ? try_to_free_pages+0xcc/0x108 [ 1966.646315] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.646322] [] ? alloc_pages_current+0xad/0xca [ 1966.646352] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.646382] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.646414] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.646419] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.646452] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.646482] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.646511] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.646542] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.646548] [] ? schedule+0x6b/0x78 [ 1966.646553] [] ? futex_wait+0x139/0x1dc [ 1966.646559] [] ? __kmalloc+0x65/0x13d [ 1966.646589] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.646604] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.646634] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.646640] [] ? set_next_entity+0x32/0x55 [ 1966.646646] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.646670] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.646698] [] ? SyS_futex+0xb7/0x132 [ 1966.646712] [] ? task_work_run+0x84/0x96 [ 1966.646718] [] ? SyS_ioctl+0x49/0x7a [ 1966.646723] [] ? system_call_fastpath+0x12/0x17 [ 1966.646727] ---[ end trace 045490b4de698dec ]--- [ 1966.646730] ------------[ cut here ]------------ [ 1966.646760] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.646762] WARN_ON(!pd->page_table[pde]) [ 1966.646764] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.646797] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.646801] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.646838] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.646844] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.646849] Call Trace: [ 1966.646855] [] ? dump_stack+0x40/0x50 [ 1966.646861] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.646891] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.646897] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.646929] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.646983] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.647017] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.647049] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.647082] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.647125] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.647142] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.647148] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.647154] [] ? shrink_zone+0x67/0x92 [ 1966.647159] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.647165] [] ? try_to_free_pages+0xcc/0x108 [ 1966.647188] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.647194] [] ? alloc_pages_current+0xad/0xca [ 1966.647224] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.647254] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.647297] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.647303] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.647337] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.647377] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.647407] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.647445] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.647451] [] ? schedule+0x6b/0x78 [ 1966.647457] [] ? futex_wait+0x139/0x1dc [ 1966.647463] [] ? __kmalloc+0x65/0x13d [ 1966.647493] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.647508] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.647537] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.647543] [] ? set_next_entity+0x32/0x55 [ 1966.647549] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.647555] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.647560] [] ? SyS_futex+0xb7/0x132 [ 1966.647565] [] ? task_work_run+0x84/0x96 [ 1966.647571] [] ? SyS_ioctl+0x49/0x7a [ 1966.647576] [] ? system_call_fastpath+0x12/0x17 [ 1966.647580] ---[ end trace 045490b4de698ded ]--- [ 1966.647583] ------------[ cut here ]------------ [ 1966.647613] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.647615] WARN_ON(!pd->page_table[pde]) [ 1966.647617] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.647651] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.647654] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.647659] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.647664] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.647669] Call Trace: [ 1966.647675] [] ? dump_stack+0x40/0x50 [ 1966.647682] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.647711] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.647718] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.647748] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.647778] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.647810] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.647842] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.647874] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.647907] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.647913] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.647919] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.647925] [] ? shrink_zone+0x67/0x92 [ 1966.647930] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.647936] [] ? try_to_free_pages+0xcc/0x108 [ 1966.647942] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.647948] [] ? alloc_pages_current+0xad/0xca [ 1966.647978] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.648009] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.648040] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.648046] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.648078] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.648136] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.648185] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.648234] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.648258] [] ? schedule+0x6b/0x78 [ 1966.648282] [] ? futex_wait+0x139/0x1dc [ 1966.648311] [] ? __kmalloc+0x65/0x13d [ 1966.648345] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.648360] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.648389] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.648396] [] ? set_next_entity+0x32/0x55 [ 1966.648401] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.648407] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.648412] [] ? SyS_futex+0xb7/0x132 [ 1966.648418] [] ? task_work_run+0x84/0x96 [ 1966.648424] [] ? SyS_ioctl+0x49/0x7a [ 1966.648429] [] ? system_call_fastpath+0x12/0x17 [ 1966.648433] ---[ end trace 045490b4de698dee ]--- [ 1966.648435] ------------[ cut here ]------------ [ 1966.648465] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.648468] WARN_ON(!pd->page_table[pde]) [ 1966.648470] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.648502] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.648505] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.648510] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.648515] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.648521] Call Trace: [ 1966.648527] [] ? dump_stack+0x40/0x50 [ 1966.648533] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.648563] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.648569] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.648600] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.648631] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.648684] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.648734] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.648788] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.648830] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.648836] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.648842] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.648848] [] ? shrink_zone+0x67/0x92 [ 1966.648854] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.648860] [] ? try_to_free_pages+0xcc/0x108 [ 1966.648866] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.648872] [] ? alloc_pages_current+0xad/0xca [ 1966.648902] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.648933] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.648964] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.648970] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.649002] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.649046] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.649095] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.649134] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.649145] [] ? schedule+0x6b/0x78 [ 1966.649150] [] ? futex_wait+0x139/0x1dc [ 1966.649156] [] ? __kmalloc+0x65/0x13d [ 1966.649186] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.649201] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.649231] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.649237] [] ? set_next_entity+0x32/0x55 [ 1966.649243] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.649266] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.649281] [] ? SyS_futex+0xb7/0x132 [ 1966.649286] [] ? task_work_run+0x84/0x96 [ 1966.649292] [] ? SyS_ioctl+0x49/0x7a [ 1966.649298] [] ? system_call_fastpath+0x12/0x17 [ 1966.649301] ---[ end trace 045490b4de698def ]--- [ 1966.649304] ------------[ cut here ]------------ [ 1966.649334] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.649350] WARN_ON(!pd->page_table[pde]) [ 1966.649359] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.649391] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.649394] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.649405] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.649422] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.649427] Call Trace: [ 1966.649433] [] ? dump_stack+0x40/0x50 [ 1966.649440] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.649471] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.649491] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.649521] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.649560] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.649592] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.649624] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.649656] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.649689] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.649695] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.649701] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.649707] [] ? shrink_zone+0x67/0x92 [ 1966.649713] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.649718] [] ? try_to_free_pages+0xcc/0x108 [ 1966.649724] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.649731] [] ? alloc_pages_current+0xad/0xca [ 1966.649761] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.649791] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.649822] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.649828] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.649860] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.649890] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.649920] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.649950] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.649956] [] ? schedule+0x6b/0x78 [ 1966.649961] [] ? futex_wait+0x139/0x1dc [ 1966.649968] [] ? __kmalloc+0x65/0x13d [ 1966.649997] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.650012] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.650042] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.650048] [] ? set_next_entity+0x32/0x55 [ 1966.650054] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.650060] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.650065] [] ? SyS_futex+0xb7/0x132 [ 1966.650070] [] ? task_work_run+0x84/0x96 [ 1966.650088] [] ? SyS_ioctl+0x49/0x7a [ 1966.650112] [] ? system_call_fastpath+0x12/0x17 [ 1966.650126] ---[ end trace 045490b4de698df0 ]--- [ 1966.650138] ------------[ cut here ]------------ [ 1966.650181] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.650194] WARN_ON(!pd->page_table[pde]) [ 1966.650206] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.650255] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.650258] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.650264] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.650269] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.650274] Call Trace: [ 1966.650280] [] ? dump_stack+0x40/0x50 [ 1966.650287] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.650317] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.650323] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.650354] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.650384] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.650416] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.650459] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.650510] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.650547] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.650553] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.650559] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.650565] [] ? shrink_zone+0x67/0x92 [ 1966.650571] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.650576] [] ? try_to_free_pages+0xcc/0x108 [ 1966.650583] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.650589] [] ? alloc_pages_current+0xad/0xca [ 1966.650619] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.650650] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.650702] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.650712] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.650745] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.650775] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.650805] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.650835] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.650855] [] ? schedule+0x6b/0x78 [ 1966.650860] [] ? futex_wait+0x139/0x1dc [ 1966.650866] [] ? __kmalloc+0x65/0x13d [ 1966.650896] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.650911] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.650958] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.650967] [] ? set_next_entity+0x32/0x55 [ 1966.650973] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.650979] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.650984] [] ? SyS_futex+0xb7/0x132 [ 1966.650989] [] ? task_work_run+0x84/0x96 [ 1966.650995] [] ? SyS_ioctl+0x49/0x7a [ 1966.651001] [] ? system_call_fastpath+0x12/0x17 [ 1966.651016] ---[ end trace 045490b4de698df1 ]--- [ 1966.651033] ------------[ cut here ]------------ [ 1966.651066] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.651069] WARN_ON(!pd->page_table[pde]) [ 1966.651079] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.651125] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.651128] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.651133] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.651149] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.651154] Call Trace: [ 1966.651160] [] ? dump_stack+0x40/0x50 [ 1966.651167] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.651212] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.651219] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.651255] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.651287] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.651327] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.651359] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.651391] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.651424] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.651430] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.651436] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.651441] [] ? shrink_zone+0x67/0x92 [ 1966.651447] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.651453] [] ? try_to_free_pages+0xcc/0x108 [ 1966.651459] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.651465] [] ? alloc_pages_current+0xad/0xca [ 1966.651495] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.651526] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.651557] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.651563] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.651595] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.651625] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.651655] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.651685] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.651691] [] ? schedule+0x6b/0x78 [ 1966.651696] [] ? futex_wait+0x139/0x1dc [ 1966.651702] [] ? __kmalloc+0x65/0x13d [ 1966.651732] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.651747] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.651777] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.651783] [] ? set_next_entity+0x32/0x55 [ 1966.651788] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.651794] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.651800] [] ? SyS_futex+0xb7/0x132 [ 1966.651805] [] ? task_work_run+0x84/0x96 [ 1966.651810] [] ? SyS_ioctl+0x49/0x7a [ 1966.651816] [] ? system_call_fastpath+0x12/0x17 [ 1966.651820] ---[ end trace 045490b4de698df2 ]--- [ 1966.651822] ------------[ cut here ]------------ [ 1966.651852] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.651855] WARN_ON(!pd->page_table[pde]) [ 1966.651856] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.651888] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.651891] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.651897] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.651902] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.651907] Call Trace: [ 1966.651913] [] ? dump_stack+0x40/0x50 [ 1966.651920] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.651949] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.651956] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.651986] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.652016] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.652048] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.652080] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.652142] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.652194] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.652220] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.652247] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.652270] [] ? shrink_zone+0x67/0x92 [ 1966.652300] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.652318] [] ? try_to_free_pages+0xcc/0x108 [ 1966.652325] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.652331] [] ? alloc_pages_current+0xad/0xca [ 1966.652361] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.652392] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.652423] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.652429] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.652461] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.652491] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.652521] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.652551] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.652558] [] ? schedule+0x6b/0x78 [ 1966.652563] [] ? futex_wait+0x139/0x1dc [ 1966.652569] [] ? __kmalloc+0x65/0x13d [ 1966.652599] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.652614] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.652644] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.652650] [] ? set_next_entity+0x32/0x55 [ 1966.652656] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.652662] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.652667] [] ? SyS_futex+0xb7/0x132 [ 1966.652672] [] ? task_work_run+0x84/0x96 [ 1966.652678] [] ? SyS_ioctl+0x49/0x7a [ 1966.652683] [] ? system_call_fastpath+0x12/0x17 [ 1966.652687] ---[ end trace 045490b4de698df3 ]--- [ 1966.652690] ------------[ cut here ]------------ [ 1966.652720] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.652736] WARN_ON(!pd->page_table[pde]) [ 1966.652751] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.652835] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.652838] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.652843] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.652848] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.652854] Call Trace: [ 1966.652860] [] ? dump_stack+0x40/0x50 [ 1966.652866] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.652896] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.652902] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.652933] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.652963] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.652996] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.653047] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.653092] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.653134] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.653140] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.653146] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.653152] [] ? shrink_zone+0x67/0x92 [ 1966.653157] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.653163] [] ? try_to_free_pages+0xcc/0x108 [ 1966.653169] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.653176] [] ? alloc_pages_current+0xad/0xca [ 1966.653207] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.653260] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.653297] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.653303] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.653335] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.653367] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.653410] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.653446] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.653453] [] ? schedule+0x6b/0x78 [ 1966.653458] [] ? futex_wait+0x139/0x1dc [ 1966.653464] [] ? __kmalloc+0x65/0x13d [ 1966.653494] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.653509] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.653538] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.653544] [] ? set_next_entity+0x32/0x55 [ 1966.653550] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.653556] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.653561] [] ? SyS_futex+0xb7/0x132 [ 1966.653567] [] ? task_work_run+0x84/0x96 [ 1966.653572] [] ? SyS_ioctl+0x49/0x7a [ 1966.653578] [] ? system_call_fastpath+0x12/0x17 [ 1966.653581] ---[ end trace 045490b4de698df4 ]--- [ 1966.653584] ------------[ cut here ]------------ [ 1966.653614] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.653616] WARN_ON(!pd->page_table[pde]) [ 1966.653618] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.653650] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.653653] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.653659] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.653664] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.653669] Call Trace: [ 1966.653675] [] ? dump_stack+0x40/0x50 [ 1966.653682] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.653711] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.653718] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.653748] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.653778] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.653810] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.653842] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.653874] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.653907] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.653913] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.653919] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.653925] [] ? shrink_zone+0x67/0x92 [ 1966.653930] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.653936] [] ? try_to_free_pages+0xcc/0x108 [ 1966.653942] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.653948] [] ? alloc_pages_current+0xad/0xca [ 1966.653978] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.654008] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.654040] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.654046] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.654078] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.654128] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.654177] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.654225] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.654251] [] ? schedule+0x6b/0x78 [ 1966.654274] [] ? futex_wait+0x139/0x1dc [ 1966.654299] [] ? __kmalloc+0x65/0x13d [ 1966.654343] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.654358] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.654388] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.654394] [] ? set_next_entity+0x32/0x55 [ 1966.654400] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.654406] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.654411] [] ? SyS_futex+0xb7/0x132 [ 1966.654416] [] ? task_work_run+0x84/0x96 [ 1966.654422] [] ? SyS_ioctl+0x49/0x7a [ 1966.654428] [] ? system_call_fastpath+0x12/0x17 [ 1966.654431] ---[ end trace 045490b4de698df5 ]--- [ 1966.654434] ------------[ cut here ]------------ [ 1966.654464] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.654467] WARN_ON(!pd->page_table[pde]) [ 1966.654468] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.654501] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.654504] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.654509] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.654514] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.654519] Call Trace: [ 1966.654525] [] ? dump_stack+0x40/0x50 [ 1966.654532] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.654562] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.654568] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.654599] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.654629] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.654662] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.654712] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.654763] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.654819] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.654834] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.654840] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.654846] [] ? shrink_zone+0x67/0x92 [ 1966.654851] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.654857] [] ? try_to_free_pages+0xcc/0x108 [ 1966.654863] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.654870] [] ? alloc_pages_current+0xad/0xca [ 1966.654900] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.654930] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.654962] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.654967] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.655000] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.655030] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.655060] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.655109] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.655139] [] ? schedule+0x6b/0x78 [ 1966.655152] [] ? futex_wait+0x139/0x1dc [ 1966.655158] [] ? __kmalloc+0x65/0x13d [ 1966.655188] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.655203] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.655233] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.655239] [] ? set_next_entity+0x32/0x55 [ 1966.655245] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.655251] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.655256] [] ? SyS_futex+0xb7/0x132 [ 1966.655261] [] ? task_work_run+0x84/0x96 [ 1966.655267] [] ? SyS_ioctl+0x49/0x7a [ 1966.655272] [] ? system_call_fastpath+0x12/0x17 [ 1966.655276] ---[ end trace 045490b4de698df6 ]--- [ 1966.655279] ------------[ cut here ]------------ [ 1966.655310] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.655326] WARN_ON(!pd->page_table[pde]) [ 1966.655338] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.655389] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.655392] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.655397] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.655403] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.655408] Call Trace: [ 1966.655414] [] ? dump_stack+0x40/0x50 [ 1966.655420] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.655450] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.655457] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.655489] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.655537] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.655579] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.655611] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.655643] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.655678] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.655695] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.655701] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.655707] [] ? shrink_zone+0x67/0x92 [ 1966.655712] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.655718] [] ? try_to_free_pages+0xcc/0x108 [ 1966.655724] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.655747] [] ? alloc_pages_current+0xad/0xca [ 1966.655777] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.655808] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.655850] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.655856] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.655888] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.655918] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.655948] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.655978] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.655984] [] ? schedule+0x6b/0x78 [ 1966.655990] [] ? futex_wait+0x139/0x1dc [ 1966.655996] [] ? __kmalloc+0x65/0x13d [ 1966.656026] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.656041] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.656070] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.656088] [] ? set_next_entity+0x32/0x55 [ 1966.656106] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.656134] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.656142] [] ? SyS_futex+0xb7/0x132 [ 1966.656148] [] ? task_work_run+0x84/0x96 [ 1966.656153] [] ? SyS_ioctl+0x49/0x7a [ 1966.656159] [] ? system_call_fastpath+0x12/0x17 [ 1966.656163] ---[ end trace 045490b4de698df7 ]--- [ 1966.656165] ------------[ cut here ]------------ [ 1966.656195] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.656198] WARN_ON(!pd->page_table[pde]) [ 1966.656200] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.656232] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.656248] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.656269] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.656274] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.656280] Call Trace: [ 1966.656286] [] ? dump_stack+0x40/0x50 [ 1966.656292] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.656322] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.656329] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.656383] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.656414] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.656455] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.656487] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.656519] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.656552] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.656558] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.656564] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.656570] [] ? shrink_zone+0x67/0x92 [ 1966.656575] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.656581] [] ? try_to_free_pages+0xcc/0x108 [ 1966.656587] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.656593] [] ? alloc_pages_current+0xad/0xca [ 1966.656623] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.656654] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.656685] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.656691] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.656723] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.656753] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.656782] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.656813] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.656819] [] ? schedule+0x6b/0x78 [ 1966.656824] [] ? futex_wait+0x139/0x1dc [ 1966.656830] [] ? __kmalloc+0x65/0x13d [ 1966.656860] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.656875] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.656905] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.656911] [] ? set_next_entity+0x32/0x55 [ 1966.656916] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.656922] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.656927] [] ? SyS_futex+0xb7/0x132 [ 1966.656933] [] ? task_work_run+0x84/0x96 [ 1966.656938] [] ? SyS_ioctl+0x49/0x7a [ 1966.656944] [] ? system_call_fastpath+0x12/0x17 [ 1966.656947] ---[ end trace 045490b4de698df8 ]--- [ 1966.656950] ------------[ cut here ]------------ [ 1966.656980] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.656982] WARN_ON(!pd->page_table[pde]) [ 1966.656984] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.657016] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.657019] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.657024] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.657030] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.657035] Call Trace: [ 1966.657041] [] ? dump_stack+0x40/0x50 [ 1966.657047] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.657077] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.657111] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.657161] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.657211] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.657261] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.657311] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.657363] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.657396] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.657402] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.657408] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.657414] [] ? shrink_zone+0x67/0x92 [ 1966.657420] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.657426] [] ? try_to_free_pages+0xcc/0x108 [ 1966.657432] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.657438] [] ? alloc_pages_current+0xad/0xca [ 1966.657468] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.657499] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.657530] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.657536] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.657568] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.657598] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.657628] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.657660] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.657686] [] ? schedule+0x6b/0x78 [ 1966.657710] [] ? futex_wait+0x139/0x1dc [ 1966.657721] [] ? __kmalloc+0x65/0x13d [ 1966.657751] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.657766] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.657796] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.657802] [] ? set_next_entity+0x32/0x55 [ 1966.657807] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.657814] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.657838] [] ? SyS_futex+0xb7/0x132 [ 1966.657843] [] ? task_work_run+0x84/0x96 [ 1966.657849] [] ? SyS_ioctl+0x49/0x7a [ 1966.657855] [] ? system_call_fastpath+0x12/0x17 [ 1966.657858] ---[ end trace 045490b4de698df9 ]--- [ 1966.657861] ------------[ cut here ]------------ [ 1966.657891] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.657893] WARN_ON(!pd->page_table[pde]) [ 1966.657895] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.657954] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.657957] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.657962] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.657968] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.657991] Call Trace: [ 1966.657996] [] ? dump_stack+0x40/0x50 [ 1966.658003] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.658033] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.658039] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.658070] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.658111] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.658162] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.658194] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.658234] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.658267] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.658273] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.658279] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.658285] [] ? shrink_zone+0x67/0x92 [ 1966.658291] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.658296] [] ? try_to_free_pages+0xcc/0x108 [ 1966.658303] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.658309] [] ? alloc_pages_current+0xad/0xca [ 1966.658339] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.658369] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.658400] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.658406] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.658438] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.658468] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.658498] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.658528] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.658534] [] ? schedule+0x6b/0x78 [ 1966.658540] [] ? futex_wait+0x139/0x1dc [ 1966.658546] [] ? __kmalloc+0x65/0x13d [ 1966.658575] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.658590] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.658620] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.658626] [] ? set_next_entity+0x32/0x55 [ 1966.658632] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.658638] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.658643] [] ? SyS_futex+0xb7/0x132 [ 1966.658648] [] ? task_work_run+0x84/0x96 [ 1966.658654] [] ? SyS_ioctl+0x49/0x7a [ 1966.658659] [] ? system_call_fastpath+0x12/0x17 [ 1966.658663] ---[ end trace 045490b4de698dfa ]--- [ 1966.658667] ------------[ cut here ]------------ [ 1966.658697] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.658699] WARN_ON(!pd->page_table[pde]) [ 1966.658701] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.658733] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.658736] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.658742] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.658747] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.658752] Call Trace: [ 1966.658758] [] ? dump_stack+0x40/0x50 [ 1966.658765] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.658794] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.658801] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.658831] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.658861] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.658893] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.658925] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.658957] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.658990] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.658996] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.659002] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.659008] [] ? shrink_zone+0x67/0x92 [ 1966.659013] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.659019] [] ? try_to_free_pages+0xcc/0x108 [ 1966.659025] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.659031] [] ? alloc_pages_current+0xad/0xca [ 1966.659061] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.659091] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.659152] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.659177] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.659229] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.659277] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.659325] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.659374] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.659400] [] ? schedule+0x6b/0x78 [ 1966.659426] [] ? futex_wait+0x139/0x1dc [ 1966.659432] [] ? __kmalloc+0x65/0x13d [ 1966.659462] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.659477] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.659507] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.659513] [] ? set_next_entity+0x32/0x55 [ 1966.659518] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.659525] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.659530] [] ? SyS_futex+0xb7/0x132 [ 1966.659535] [] ? task_work_run+0x84/0x96 [ 1966.659541] [] ? SyS_ioctl+0x49/0x7a [ 1966.659546] [] ? system_call_fastpath+0x12/0x17 [ 1966.659550] ---[ end trace 045490b4de698dfb ]--- [ 1966.659553] ------------[ cut here ]------------ [ 1966.659583] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.659585] WARN_ON(!pd->page_table[pde]) [ 1966.659587] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.659619] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.659622] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.659628] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.659633] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.659638] Call Trace: [ 1966.659644] [] ? dump_stack+0x40/0x50 [ 1966.659651] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.659680] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.659687] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.659717] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.659747] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.659779] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.659812] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.659844] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.659890] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.659915] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.659943] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.659968] [] ? shrink_zone+0x67/0x92 [ 1966.659988] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.659993] [] ? try_to_free_pages+0xcc/0x108 [ 1966.660000] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.660006] [] ? alloc_pages_current+0xad/0xca [ 1966.660036] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.660066] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.660098] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.660112] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.660144] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.660174] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.660204] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.660236] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.660267] [] ? schedule+0x6b/0x78 [ 1966.660283] [] ? futex_wait+0x139/0x1dc [ 1966.660289] [] ? __kmalloc+0x65/0x13d [ 1966.660319] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.660334] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.660364] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.660370] [] ? set_next_entity+0x32/0x55 [ 1966.660376] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.660382] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.660387] [] ? SyS_futex+0xb7/0x132 [ 1966.660422] [] ? task_work_run+0x84/0x96 [ 1966.660431] [] ? SyS_ioctl+0x49/0x7a [ 1966.660437] [] ? system_call_fastpath+0x12/0x17 [ 1966.660440] ---[ end trace 045490b4de698dfc ]--- [ 1966.660443] ------------[ cut here ]------------ [ 1966.660473] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.660476] WARN_ON(!pd->page_table[pde]) [ 1966.660478] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.660530] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.660533] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.660538] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.660543] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.660563] Call Trace: [ 1966.660569] [] ? dump_stack+0x40/0x50 [ 1966.660575] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.660605] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.660624] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.660656] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.660694] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.660726] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.660758] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.660790] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.660823] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.660829] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.660835] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.660841] [] ? shrink_zone+0x67/0x92 [ 1966.660847] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.660852] [] ? try_to_free_pages+0xcc/0x108 [ 1966.660859] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.660865] [] ? alloc_pages_current+0xad/0xca [ 1966.660895] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.660925] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.660956] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.660962] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.660994] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.661024] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.661054] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.661084] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.661119] [] ? schedule+0x6b/0x78 [ 1966.661142] [] ? futex_wait+0x139/0x1dc [ 1966.661166] [] ? __kmalloc+0x65/0x13d [ 1966.661197] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.661212] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.661241] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.661248] [] ? set_next_entity+0x32/0x55 [ 1966.661253] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.661259] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.661265] [] ? SyS_futex+0xb7/0x132 [ 1966.661270] [] ? task_work_run+0x84/0x96 [ 1966.661276] [] ? SyS_ioctl+0x49/0x7a [ 1966.661281] [] ? system_call_fastpath+0x12/0x17 [ 1966.661285] ---[ end trace 045490b4de698dfd ]--- [ 1966.661288] ------------[ cut here ]------------ [ 1966.661318] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.661330] WARN_ON(!pd->page_table[pde]) [ 1966.661342] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.661395] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.661398] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.661403] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.661408] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.661414] Call Trace: [ 1966.661420] [] ? dump_stack+0x40/0x50 [ 1966.661426] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.661456] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.661462] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.661494] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.661543] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.661586] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.661618] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.661651] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.661694] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.661701] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.661707] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.661713] [] ? shrink_zone+0x67/0x92 [ 1966.661718] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.661724] [] ? try_to_free_pages+0xcc/0x108 [ 1966.661730] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.661736] [] ? alloc_pages_current+0xad/0xca [ 1966.661766] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.661797] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.661828] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.661834] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.661866] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.661896] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.661925] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.661956] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.661962] [] ? schedule+0x6b/0x78 [ 1966.661967] [] ? futex_wait+0x139/0x1dc [ 1966.661973] [] ? __kmalloc+0x65/0x13d [ 1966.662003] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.662018] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.662048] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.662054] [] ? set_next_entity+0x32/0x55 [ 1966.662059] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.662065] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.662070] [] ? SyS_futex+0xb7/0x132 [ 1966.662076] [] ? task_work_run+0x84/0x96 [ 1966.662094] [] ? SyS_ioctl+0x49/0x7a [ 1966.662100] [] ? system_call_fastpath+0x12/0x17 [ 1966.662104] ---[ end trace 045490b4de698dfe ]--- [ 1966.662116] ------------[ cut here ]------------ [ 1966.662157] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.662170] WARN_ON(!pd->page_table[pde]) [ 1966.662182] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.662254] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.662257] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.662262] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.662267] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.662273] Call Trace: [ 1966.662279] [] ? dump_stack+0x40/0x50 [ 1966.662285] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.662315] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.662321] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.662352] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.662382] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.662416] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.662466] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.662512] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.662544] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.662551] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.662567] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.662573] [] ? shrink_zone+0x67/0x92 [ 1966.662578] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.662584] [] ? try_to_free_pages+0xcc/0x108 [ 1966.662590] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.662597] [] ? alloc_pages_current+0xad/0xca [ 1966.662627] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.662673] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.662705] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.662718] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.662750] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.662781] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.662820] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.662851] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.662857] [] ? schedule+0x6b/0x78 [ 1966.662862] [] ? futex_wait+0x139/0x1dc [ 1966.662868] [] ? __kmalloc+0x65/0x13d [ 1966.662898] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.662913] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.662943] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.662949] [] ? set_next_entity+0x32/0x55 [ 1966.662954] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.662961] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.662966] [] ? SyS_futex+0xb7/0x132 [ 1966.662971] [] ? task_work_run+0x84/0x96 [ 1966.662977] [] ? SyS_ioctl+0x49/0x7a [ 1966.662982] [] ? system_call_fastpath+0x12/0x17 [ 1966.662986] ---[ end trace 045490b4de698dff ]--- [ 1966.662988] ------------[ cut here ]------------ [ 1966.663018] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.663020] WARN_ON(!pd->page_table[pde]) [ 1966.663022] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.663054] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.663057] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.663063] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.663068] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.663073] Call Trace: [ 1966.663092] [] ? dump_stack+0x40/0x50 [ 1966.663099] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.663148] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.663175] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.663224] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.663264] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.663296] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.663328] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.663361] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.663393] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.663400] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.663417] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.663433] [] ? shrink_zone+0x67/0x92 [ 1966.663438] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.663444] [] ? try_to_free_pages+0xcc/0x108 [ 1966.663450] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.663457] [] ? alloc_pages_current+0xad/0xca [ 1966.663487] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.663534] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.663566] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.663577] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.663610] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.663649] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.663680] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.663718] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.663725] [] ? schedule+0x6b/0x78 [ 1966.663730] [] ? futex_wait+0x139/0x1dc [ 1966.663736] [] ? __kmalloc+0x65/0x13d [ 1966.663766] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.663781] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.663811] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.663817] [] ? set_next_entity+0x32/0x55 [ 1966.663822] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.663828] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.663833] [] ? SyS_futex+0xb7/0x132 [ 1966.663839] [] ? task_work_run+0x84/0x96 [ 1966.663844] [] ? SyS_ioctl+0x49/0x7a [ 1966.663850] [] ? system_call_fastpath+0x12/0x17 [ 1966.663853] ---[ end trace 045490b4de698e00 ]--- [ 1966.663856] ------------[ cut here ]------------ [ 1966.663886] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.663889] WARN_ON(!pd->page_table[pde]) [ 1966.663891] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.663923] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.663926] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.663931] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.663936] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.663941] Call Trace: [ 1966.663947] [] ? dump_stack+0x40/0x50 [ 1966.663954] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.663983] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.663990] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.664020] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.664050] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.664082] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.664144] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.664195] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.664246] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.664273] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.664286] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.664292] [] ? shrink_zone+0x67/0x92 [ 1966.664298] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.664304] [] ? try_to_free_pages+0xcc/0x108 [ 1966.664310] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.664317] [] ? alloc_pages_current+0xad/0xca [ 1966.664347] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.664377] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.664408] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.664414] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.664446] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.664476] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.664506] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.664538] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.664567] [] ? schedule+0x6b/0x78 [ 1966.664585] [] ? futex_wait+0x139/0x1dc [ 1966.664591] [] ? __kmalloc+0x65/0x13d [ 1966.664621] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.664636] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.664666] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.664672] [] ? set_next_entity+0x32/0x55 [ 1966.664678] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.664684] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.664689] [] ? SyS_futex+0xb7/0x132 [ 1966.664696] [] ? task_work_run+0x84/0x96 [ 1966.664729] [] ? SyS_ioctl+0x49/0x7a [ 1966.664740] [] ? system_call_fastpath+0x12/0x17 [ 1966.664744] ---[ end trace 045490b4de698e01 ]--- [ 1966.664747] ------------[ cut here ]------------ [ 1966.664777] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.664780] WARN_ON(!pd->page_table[pde]) [ 1966.664782] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.664814] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.664817] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.664845] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.664850] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.664856] Call Trace: [ 1966.664862] [] ? dump_stack+0x40/0x50 [ 1966.664868] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.664900] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.664923] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.664954] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.664985] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.665028] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.665061] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.665093] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.665151] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.665157] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.665163] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.665169] [] ? shrink_zone+0x67/0x92 [ 1966.665174] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.665180] [] ? try_to_free_pages+0xcc/0x108 [ 1966.665187] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.665211] [] ? alloc_pages_current+0xad/0xca [ 1966.665242] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.665272] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.665311] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.665317] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.665349] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.665379] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.665409] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.665439] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.665446] [] ? schedule+0x6b/0x78 [ 1966.665451] [] ? futex_wait+0x139/0x1dc [ 1966.665457] [] ? __kmalloc+0x65/0x13d [ 1966.665487] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.665503] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.665533] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.665539] [] ? set_next_entity+0x32/0x55 [ 1966.665544] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.665551] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.665556] [] ? SyS_futex+0xb7/0x132 [ 1966.665561] [] ? task_work_run+0x84/0x96 [ 1966.665567] [] ? SyS_ioctl+0x49/0x7a [ 1966.665572] [] ? system_call_fastpath+0x12/0x17 [ 1966.665576] ---[ end trace 045490b4de698e02 ]--- [ 1966.665579] ------------[ cut here ]------------ [ 1966.665609] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.665611] WARN_ON(!pd->page_table[pde]) [ 1966.665613] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.665646] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.665649] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.665654] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.665659] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.665665] Call Trace: [ 1966.665671] [] ? dump_stack+0x40/0x50 [ 1966.665677] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.665707] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.665713] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.665744] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.665774] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.665806] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.665838] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.665870] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.665903] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.665909] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.665915] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.665921] [] ? shrink_zone+0x67/0x92 [ 1966.665927] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.665933] [] ? try_to_free_pages+0xcc/0x108 [ 1966.665939] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.665945] [] ? alloc_pages_current+0xad/0xca [ 1966.665975] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.666006] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.666037] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.666043] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.666075] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.666154] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.666202] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.666250] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.666276] [] ? schedule+0x6b/0x78 [ 1966.666300] [] ? futex_wait+0x139/0x1dc [ 1966.666329] [] ? __kmalloc+0x65/0x13d [ 1966.666367] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.666382] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.666412] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.666418] [] ? set_next_entity+0x32/0x55 [ 1966.666424] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.666430] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.666435] [] ? SyS_futex+0xb7/0x132 [ 1966.666441] [] ? task_work_run+0x84/0x96 [ 1966.666446] [] ? SyS_ioctl+0x49/0x7a [ 1966.666452] [] ? system_call_fastpath+0x12/0x17 [ 1966.666456] ---[ end trace 045490b4de698e03 ]--- [ 1966.666459] ------------[ cut here ]------------ [ 1966.666489] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.666491] WARN_ON(!pd->page_table[pde]) [ 1966.666493] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.666526] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.666529] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.666534] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.666539] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.666545] Call Trace: [ 1966.666551] [] ? dump_stack+0x40/0x50 [ 1966.666557] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.666587] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.666593] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.666624] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.666654] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.666706] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.666756] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.666807] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.666846] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.666853] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.666859] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.666865] [] ? shrink_zone+0x67/0x92 [ 1966.666870] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.666876] [] ? try_to_free_pages+0xcc/0x108 [ 1966.666882] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.666889] [] ? alloc_pages_current+0xad/0xca [ 1966.666919] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.666949] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.666981] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.666997] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.667046] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.667077] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.667116] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.667147] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915] [ 1966.667163] [] ? schedule+0x6b/0x78 [ 1966.667169] [] ? futex_wait+0x139/0x1dc [ 1966.667175] [] ? __kmalloc+0x65/0x13d [ 1966.667205] [] ? i915_gem_execbuffer2+0x16e/0x205 [i915] [ 1966.667230] [] ? drm_ioctl+0x322/0x38d [drm] [ 1966.667260] [] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 1966.667274] [] ? set_next_entity+0x32/0x55 [ 1966.667280] [] ? pick_next_task_fair+0xe5/0x3dc [ 1966.667286] [] ? do_vfs_ioctl+0x360/0x424 [ 1966.667299] [] ? SyS_futex+0xb7/0x132 [ 1966.667304] [] ? task_work_run+0x84/0x96 [ 1966.667310] [] ? SyS_ioctl+0x49/0x7a [ 1966.667315] [] ? system_call_fastpath+0x12/0x17 [ 1966.667328] ---[ end trace 045490b4de698e04 ]--- [ 1966.667333] ------------[ cut here ]------------ [ 1966.667364] WARNING: CPU: 1 PID: 4427 at drivers/gpu/drm/i915/i915_gem_gtt.c:548 gen8_ppgtt_clear_range+0xcd/0x16e [i915]() [ 1966.667372] WARN_ON(!pd->page_table[pde]) [ 1966.667374] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel pcspkr snd_hda_controller serio_raw snd_hda_codec snd_hda_core snd_hwdep i2c_i801 lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm [ 1966.667413] CPU: 1 PID: 4427 Comm: gem_ctx_thrash Tainted: G W 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ #312 [ 1966.667416] 0000000000000000 0000000000000009 ffffffff817958c7 ffff880072d37508 [ 1966.667421] ffffffff8103bd5a 0000000000000009 ffffffffa0098016 0000000000000000 [ 1966.667435] 0000000002cfb083 0000000000000000 000000000000002d 000000000000000a [ 1966.667440] Call Trace: [ 1966.667446] [] ? dump_stack+0x40/0x50 [ 1966.667452] [] ? warn_slowpath_common+0x98/0xb0 [ 1966.667482] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.667503] [] ? warn_slowpath_fmt+0x45/0x4a [ 1966.667534] [] ? gen8_ppgtt_clear_range+0x67/0x16e [i915] [ 1966.667570] [] ? gen8_ppgtt_clear_range+0xcd/0x16e [i915] [ 1966.667602] [] ? i915_vma_unbind+0x138/0x1e2 [i915] [ 1966.667634] [] ? i915_vma_unbind+0xb5/0x1e2 [i915] [ 1966.667666] [] ? i915_gem_shrink+0x166/0x1dc [i915] [ 1966.667699] [] ? i915_gem_shrinker_scan+0x60/0x81 [i915] [ 1966.667705] [] ? shrink_slab.part.57.constprop.67+0x1d5/0x2b5 [ 1966.667711] [] ? shrink_slab.part.57.constprop.67+0x1a5/0x2b5 [ 1966.667717] [] ? shrink_zone+0x67/0x92 [ 1966.667723] [] ? do_try_to_free_pages+0x20d/0x241 [ 1966.667728] [] ? try_to_free_pages+0xcc/0x108 [ 1966.667734] [] ? __alloc_pages_nodemask+0x48e/0x6fc [ 1966.667741] [] ? alloc_pages_current+0xad/0xca [ 1966.667771] [] ? alloc_pt_single+0x75/0x131 [i915] [ 1966.667801] [] ? gen8_alloc_va_range+0x2ae/0x6cc [i915] [ 1966.667832] [] ? i915_vma_bind+0x9e/0x451 [i915] [ 1966.667838] [] ? swiotlb_map_sg_attrs+0x84/0x10c [ 1966.667870] [] ? i915_gem_object_do_pin+0x6d5/0x7a8 [i915] [ 1966.667900] [] ? i915_gem_execbuffer_reserve_vma.isra.12+0x65/0x10b [i915] [ 1966.667930] [] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915] [ 1966.667962] [] ? i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915]