[Intel-gfx] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:1262!
On Sun, Jan 04, 2015 at 08:45:58PM +, Chris Wilson wrote: > On Sun, Jan 04, 2015 at 03:33:05PM +0100, Marcin Ålusarz wrote: > > [432102.923209] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:1262! > > [432102.923237] invalid opcode: [#1] PREEMPT SMP > > [432102.923262] Modules linked in: uas usb_storage dm_crypt ctr ccm arc4 > > iwldvm mac80211 iwlwifi cfg80211 rfcomm bnep uvcvideo rtsx_usb > > videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev > > snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic dell_laptop > > dell_wmi sparse_keymap snd_hda_intel snd_hda_controller snd_hda_codec > > dcdbas btusb snd_hwdep snd_pcm bluetooth snd_seq_midi snd_seq_midi_event > > x86_pkg_temp_thermal snd_rawmidi snd_seq coretemp ghash_clmulni_intel > > cryptd snd_timer snd_seq_device microcode snd soundcore serio_raw lpc_ich > > mac_hid parport_pc ppdev lp parport binfmt_misc hid_generic usbhid hid > > nouveau i915 psmouse mxm_wmi ttm i2c_algo_bit ahci libahci drm_kms_helper > > drm wmi video > > [432102.923617] CPU: 2 PID: 45 Comm: kswapd0 Tainted: GW > > 3.17.0 #50 > > [432102.923650] Hardware name: Dell Inc. Inspiron 7720/04M3YM, > > BIOS A07 08/16/2012 > > [432102.923685] task: 88013766a130 ti: 8801376c8000 task.ti: > > 8801376c8000 > > [432102.923719] RIP: 0010:[] [] > > i915_wait_seqno+0x7c/0xa0 [i915] > > [432102.923781] RSP: 0018:8801376cbaf8 EFLAGS: 00010246 > > [432102.923804] RAX: 0001 RBX: 88003287 RCX: > > 0018 > > [432102.923835] RDX: 88008d033908 RSI: 005c4f93 RDI: > > 880032872680 > > [432102.923870] RBP: 8801376cbb18 R08: R09: > > > > [432102.923901] R10: R11: ea402c80 R12: > > 880032872680 > > [432102.923932] R13: 88008d032c00 R14: 0001 R15: > > 88003287 > > [432102.923966] FS: () GS:88013f28() > > knlGS: > > [432102.924002] CS: 0010 DS: ES: CR0: 80050033 > > [432102.924030] CR2: 7f3d465dc000 CR3: 000102ada000 CR4: > > 001407e0 > > [432102.924073] Stack: > > [432102.924087] 88008d032c00 88008d032cf0 88008d032c00 > > 88003287 > > [432102.924133] 8801376cbb30 a0123627 88008d032c00 > > 8801376cbb48 > > [432102.924169] a0123664 880104b4b000 8801376cbb78 > > a0126e48 > > [432102.924205] Call Trace: > > [432102.924238] [] > > i915_gem_object_wait_rendering+0x37/0x60 [i915] > > [432102.924287] [] > > i915_gem_object_finish_gpu.part.53+0x14/0x30 [i915] > > [432102.924339] [] i915_vma_unbind+0x118/0x240 [i915] > > [432102.924380] [] __i915_gem_shrink+0x1ec/0x2c0 [i915] > > [432102.924422] [] i915_gem_shrinker_scan+0x68/0xa0 > > [i915] > > [432102.924465] [] shrink_slab_node+0x138/0x2f0 > > [432102.924494] [] ? shrink_slab+0x3f/0x160 > > [432102.924521] [] shrink_slab+0x8b/0x160 > > [432102.924548] [] balance_pgdat+0x388/0x5a0 > > [432102.924575] [] kswapd+0x180/0x470 > > [432102.924601] [] ? prepare_to_wait_event+0x110/0x110 > > [432102.924635] [] ? balance_pgdat+0x5a0/0x5a0 > > [432102.924670] [] kthread+0xfc/0x120 > > [432102.924693] [] ? kthread_create_on_node+0x230/0x230 > > [432102.924730] [] ret_from_fork+0x7c/0xb0 > > [432102.924755] [] ? kthread_create_on_node+0x230/0x230 > > [432102.924786] Code: 0f 1f 80 00 00 00 00 8b 93 a0 9d 00 00 41 0f b6 ce 44 > > 89 ee 4c 89 e7 45 31 c9 45 31 c0 e8 ed ea ff ff 5b 41 5c 41 5d 41 5e 5d c3 > > <0f> 0b 45 84 f6 74 13 8b 83 a0 9d 00 00 c1 f8 1f 83 e0 06 83 e8 > > [432102.924965] RIP [] i915_wait_seqno+0x7c/0xa0 [i915] > > [432102.925104] RSP > > [432102.935737] ---[ end trace 95ef281295f96d84 ]--- > > > > It's BUG_ON(!mutex_is_locked(>struct_mutex)) in i915_wait_seqno. > > Warnings are from WARN_ON(!mutex_is_locked(>struct_mutex)) in > > intel_fb_obj_invalidate. > > > > dev->struct_mutex is locked from i915_gem_shrinker_scan, so something > > unlocks > > it when we reach intel_fb_obj_invalidate/i915_wait_seqno. > > What does 'grep DEBUG_MUTEXES .config' say? CONFIG_DEBUG_MUTEXES=y full config: http://people.freedesktop.org/~mslusarz/config.txt Marcin
[Intel-gfx] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:1262!
On Sun, Jan 04, 2015 at 09:51:08PM +0100, Marcin Ålusarz wrote: > On Sun, Jan 04, 2015 at 08:45:58PM +, Chris Wilson wrote: > > On Sun, Jan 04, 2015 at 03:33:05PM +0100, Marcin Ålusarz wrote: > > > [432102.923209] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:1262! > > > [432102.923237] invalid opcode: [#1] PREEMPT SMP > > > [432102.923262] Modules linked in: uas usb_storage dm_crypt ctr ccm arc4 > > > iwldvm mac80211 iwlwifi cfg80211 rfcomm bnep uvcvideo rtsx_usb > > > videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev > > > snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic dell_laptop > > > dell_wmi sparse_keymap snd_hda_intel snd_hda_controller snd_hda_codec > > > dcdbas btusb snd_hwdep snd_pcm bluetooth snd_seq_midi snd_seq_midi_event > > > x86_pkg_temp_thermal snd_rawmidi snd_seq coretemp ghash_clmulni_intel > > > cryptd snd_timer snd_seq_device microcode snd soundcore serio_raw lpc_ich > > > mac_hid parport_pc ppdev lp parport binfmt_misc hid_generic usbhid hid > > > nouveau i915 psmouse mxm_wmi ttm i2c_algo_bit ahci libahci drm_kms_helper > > > drm wmi video > > > [432102.923617] CPU: 2 PID: 45 Comm: kswapd0 Tainted: GW > > > 3.17.0 #50 > > > [432102.923650] Hardware name: Dell Inc. Inspiron 7720/04M3YM, > > > BIOS A07 08/16/2012 > > > [432102.923685] task: 88013766a130 ti: 8801376c8000 task.ti: > > > 8801376c8000 > > > [432102.923719] RIP: 0010:[] [] > > > i915_wait_seqno+0x7c/0xa0 [i915] > > > [432102.923781] RSP: 0018:8801376cbaf8 EFLAGS: 00010246 > > > [432102.923804] RAX: 0001 RBX: 88003287 RCX: > > > 0018 > > > [432102.923835] RDX: 88008d033908 RSI: 005c4f93 RDI: > > > 880032872680 > > > [432102.923870] RBP: 8801376cbb18 R08: R09: > > > > > > [432102.923901] R10: R11: ea402c80 R12: > > > 880032872680 > > > [432102.923932] R13: 88008d032c00 R14: 0001 R15: > > > 88003287 > > > [432102.923966] FS: () GS:88013f28() > > > knlGS: > > > [432102.924002] CS: 0010 DS: ES: CR0: 80050033 > > > [432102.924030] CR2: 7f3d465dc000 CR3: 000102ada000 CR4: > > > 001407e0 > > > [432102.924073] Stack: > > > [432102.924087] 88008d032c00 88008d032cf0 88008d032c00 > > > 88003287 > > > [432102.924133] 8801376cbb30 a0123627 88008d032c00 > > > 8801376cbb48 > > > [432102.924169] a0123664 880104b4b000 8801376cbb78 > > > a0126e48 > > > [432102.924205] Call Trace: > > > [432102.924238] [] > > > i915_gem_object_wait_rendering+0x37/0x60 [i915] > > > [432102.924287] [] > > > i915_gem_object_finish_gpu.part.53+0x14/0x30 [i915] > > > [432102.924339] [] i915_vma_unbind+0x118/0x240 [i915] > > > [432102.924380] [] __i915_gem_shrink+0x1ec/0x2c0 [i915] > > > [432102.924422] [] i915_gem_shrinker_scan+0x68/0xa0 > > > [i915] > > > [432102.924465] [] shrink_slab_node+0x138/0x2f0 > > > [432102.924494] [] ? shrink_slab+0x3f/0x160 > > > [432102.924521] [] shrink_slab+0x8b/0x160 > > > [432102.924548] [] balance_pgdat+0x388/0x5a0 > > > [432102.924575] [] kswapd+0x180/0x470 > > > [432102.924601] [] ? prepare_to_wait_event+0x110/0x110 > > > [432102.924635] [] ? balance_pgdat+0x5a0/0x5a0 > > > [432102.924670] [] kthread+0xfc/0x120 > > > [432102.924693] [] ? kthread_create_on_node+0x230/0x230 > > > [432102.924730] [] ret_from_fork+0x7c/0xb0 > > > [432102.924755] [] ? kthread_create_on_node+0x230/0x230 > > > [432102.924786] Code: 0f 1f 80 00 00 00 00 8b 93 a0 9d 00 00 41 0f b6 ce > > > 44 89 ee 4c 89 e7 45 31 c9 45 31 c0 e8 ed ea ff ff 5b 41 5c 41 5d 41 5e > > > 5d c3 <0f> 0b 45 84 f6 74 13 8b 83 a0 9d 00 00 c1 f8 1f 83 e0 06 83 e8 > > > [432102.924965] RIP [] i915_wait_seqno+0x7c/0xa0 [i915] > > > [432102.925104] RSP > > > [432102.935737] ---[ end trace 95ef281295f96d84 ]--- > > > > > > It's BUG_ON(!mutex_is_locked(>struct_mutex)) in i915_wait_seqno. > > > Warnings are from WARN_ON(!mutex_is_locked(>struct_mutex)) in > > > intel_fb_obj_invalidate. > > > > > > dev->struct_mutex is locked from i915_gem_shrinker_scan, so something > > > unlocks > > > it when we reach intel_fb_obj_invalidate/i915_wait_seqno. > > > > What does 'grep DEBUG_MUTEXES .config' say? > > CONFIG_DEBUG_MUTEXES=y Please try: http://lists.freedesktop.org/archives/intel-gfx/2015-January/058019.html http://patchwork.freedesktop.org/patch/39708/ If possible, please try both patches (the one in the changelog and the actual) separately. Thanks, -Chris -- Chris Wilson, Intel Open Source Technology Centre
[Intel-gfx] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:1262!
On Sun, Jan 04, 2015 at 03:33:05PM +0100, Marcin Ålusarz wrote: > [432102.923209] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:1262! > [432102.923237] invalid opcode: [#1] PREEMPT SMP > [432102.923262] Modules linked in: uas usb_storage dm_crypt ctr ccm arc4 > iwldvm mac80211 iwlwifi cfg80211 rfcomm bnep uvcvideo rtsx_usb > videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev > snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic dell_laptop > dell_wmi sparse_keymap snd_hda_intel snd_hda_controller snd_hda_codec dcdbas > btusb snd_hwdep snd_pcm bluetooth snd_seq_midi snd_seq_midi_event > x86_pkg_temp_thermal snd_rawmidi snd_seq coretemp ghash_clmulni_intel cryptd > snd_timer snd_seq_device microcode snd soundcore serio_raw lpc_ich mac_hid > parport_pc ppdev lp parport binfmt_misc hid_generic usbhid hid nouveau i915 > psmouse mxm_wmi ttm i2c_algo_bit ahci libahci drm_kms_helper drm wmi video > [432102.923617] CPU: 2 PID: 45 Comm: kswapd0 Tainted: GW 3.17.0 > #50 > [432102.923650] Hardware name: Dell Inc. Inspiron 7720/04M3YM, BIOS > A07 08/16/2012 > [432102.923685] task: 88013766a130 ti: 8801376c8000 task.ti: > 8801376c8000 > [432102.923719] RIP: 0010:[] [] > i915_wait_seqno+0x7c/0xa0 [i915] > [432102.923781] RSP: 0018:8801376cbaf8 EFLAGS: 00010246 > [432102.923804] RAX: 0001 RBX: 88003287 RCX: > 0018 > [432102.923835] RDX: 88008d033908 RSI: 005c4f93 RDI: > 880032872680 > [432102.923870] RBP: 8801376cbb18 R08: R09: > > [432102.923901] R10: R11: ea402c80 R12: > 880032872680 > [432102.923932] R13: 88008d032c00 R14: 0001 R15: > 88003287 > [432102.923966] FS: () GS:88013f28() > knlGS: > [432102.924002] CS: 0010 DS: ES: CR0: 80050033 > [432102.924030] CR2: 7f3d465dc000 CR3: 000102ada000 CR4: > 001407e0 > [432102.924073] Stack: > [432102.924087] 88008d032c00 88008d032cf0 88008d032c00 > 88003287 > [432102.924133] 8801376cbb30 a0123627 88008d032c00 > 8801376cbb48 > [432102.924169] a0123664 880104b4b000 8801376cbb78 > a0126e48 > [432102.924205] Call Trace: > [432102.924238] [] > i915_gem_object_wait_rendering+0x37/0x60 [i915] > [432102.924287] [] > i915_gem_object_finish_gpu.part.53+0x14/0x30 [i915] > [432102.924339] [] i915_vma_unbind+0x118/0x240 [i915] > [432102.924380] [] __i915_gem_shrink+0x1ec/0x2c0 [i915] > [432102.924422] [] i915_gem_shrinker_scan+0x68/0xa0 [i915] > [432102.924465] [] shrink_slab_node+0x138/0x2f0 > [432102.924494] [] ? shrink_slab+0x3f/0x160 > [432102.924521] [] shrink_slab+0x8b/0x160 > [432102.924548] [] balance_pgdat+0x388/0x5a0 > [432102.924575] [] kswapd+0x180/0x470 > [432102.924601] [] ? prepare_to_wait_event+0x110/0x110 > [432102.924635] [] ? balance_pgdat+0x5a0/0x5a0 > [432102.924670] [] kthread+0xfc/0x120 > [432102.924693] [] ? kthread_create_on_node+0x230/0x230 > [432102.924730] [] ret_from_fork+0x7c/0xb0 > [432102.924755] [] ? kthread_create_on_node+0x230/0x230 > [432102.924786] Code: 0f 1f 80 00 00 00 00 8b 93 a0 9d 00 00 41 0f b6 ce 44 > 89 ee 4c 89 e7 45 31 c9 45 31 c0 e8 ed ea ff ff 5b 41 5c 41 5d 41 5e 5d c3 > <0f> 0b 45 84 f6 74 13 8b 83 a0 9d 00 00 c1 f8 1f 83 e0 06 83 e8 > [432102.924965] RIP [] i915_wait_seqno+0x7c/0xa0 [i915] > [432102.925104] RSP > [432102.935737] ---[ end trace 95ef281295f96d84 ]--- > > It's BUG_ON(!mutex_is_locked(>struct_mutex)) in i915_wait_seqno. > Warnings are from WARN_ON(!mutex_is_locked(>struct_mutex)) in > intel_fb_obj_invalidate. > > dev->struct_mutex is locked from i915_gem_shrinker_scan, so something unlocks > it when we reach intel_fb_obj_invalidate/i915_wait_seqno. What does 'grep DEBUG_MUTEXES .config' say? -Chris -- Chris Wilson, Intel Open Source Technology Centre
