[Bug 105304] [BAT] [BSW only] igt at gem_sync@basic-each - GPU hung -> wedged -> WARN_ON(intel_gpu_reset(i915, (~0)))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105304

Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|WORKSFORME                  |---
             Status|CLOSED                      |REOPENED

--- Comment #2 from Martin Peres <martin.peres at free.fr> ---
Happened again:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4108/fi-bsw-n3050/igt@gem_sync@basic-each.html

(gem_sync:3107) igt_aux-CRITICAL: Test assertion failure function sig_abort,
file ../lib/igt_aux.c:481:
(gem_sync:3107) igt_aux-CRITICAL: Failed assertion: !"GPU hung"


https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4108/fi-bsw-n3050/igt@kms_pipe_crc_basic@hang-read-crc-pipe-c.html

(kms_pipe_crc_basic:3373) igt_gt-CRITICAL: Test assertion failure function
igt_force_gpu_reset, file ../lib/igt_gt.c:415:
(kms_pipe_crc_basic:3373) igt_gt-CRITICAL: Failed assertion: !wedged
Subtest hang-read-crc-pipe-C failed.


https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4108/fi-bsw-n3050/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html

[  648.484962] ------------[ cut here ]------------
[  648.484973] WARN_ON(intel_gpu_reset(i915, (~0)))
[  648.485230] WARNING: CPU: 1 PID: 2921 at
drivers/gpu/drm/i915/i915_gem.c:4978 i915_gem_sanitize+0x4d/0x80 [i915]
[  648.485242] Modules linked in: vgem btusb btrtl btbcm btintel bluetooth
ecdh_generic intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel r8169 mii lpc_ich snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core
snd_pcm pinctrl_cherryview prime_numbers
[  648.485501] CPU: 1 PID: 2921 Comm: kworker/u4:31 Tainted: G     U  W        
4.17.0-rc2-CI-CI_DRM_4108+ #1
[  648.485512] Hardware name:  /NUC5CPYB, BIOS PYBSWCEL.86A.0058.2016.1102.1842
11/02/2016
[  648.485528] Workqueue: events_unbound async_run_entry_fn
[  648.485716] RIP: 0010:i915_gem_sanitize+0x4d/0x80 [i915]
[  648.485728] RSP: 0018:ffffc90000aebcc8 EFLAGS: 00010286
[  648.485749] RAX: 0000000000000000 RBX: ffff88016c890000 RCX:
0000000000000001
[  648.485760] RDX: 0000000080000001 RSI: ffffffff82121491 RDI:
00000000ffffffff
[  648.485770] RBP: ffff88016c890070 R08: 0000000075a89f58 R09:
0000000000000000
[  648.485781] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88016c8989b8
[  648.485791] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
[  648.485803] FS:  0000000000000000(0000) GS:ffff88017fd00000(0000)
knlGS:0000000000000000
[  648.485814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  648.485826] CR2: 00007fec90dd73d8 CR3: 0000000005210000 CR4:
00000000001006e0
[  648.485836] Call Trace:
[  648.486029]  i915_gem_suspend+0xec/0x140 [i915]
[  648.486203]  i915_drm_suspend+0x5f/0x160 [i915]
[  648.486231]  pci_pm_suspend+0x7c/0x130
[  648.486252]  ? pci_pm_freeze+0xb0/0xb0
[  648.486267]  dpm_run_callback+0x5d/0x2f0
[  648.486295]  __device_suspend+0x11f/0x600
[  648.486322]  ? dpm_watchdog_set+0x60/0x60
[  648.486364]  async_suspend+0x15/0x90
[  648.486382]  async_run_entry_fn+0x34/0x160
[  648.486408]  process_one_work+0x229/0x6a0
[  648.486453]  worker_thread+0x35/0x380
[  648.486482]  ? process_one_work+0x6a0/0x6a0
[  648.486495]  kthread+0x119/0x130
[  648.486511]  ? _kthread_create_on_node+0x60/0x60
[  648.486537]  ret_from_fork+0x3a/0x50
[  648.486597] Code: dc 03 00 84 c0 74 f1 be ff ff ff ff 48 89 df e8 0a da 03
00 85 c0 74 e0 48 c7 c6 00 f8 20 a0 48 c7 c7 e2 76 1f a0 e8 a3 71 f9 e0 <0f> 0b
eb c9 48 8d 6f 70 31 f6 48 89 ef e8 51 d1 83 e1 48 89 df 
[  648.487196] irq event stamp: 1160
[  648.487212] hardirqs last  enabled at (1159): [<ffffffff810f8827>]
vprintk_emit+0x4b7/0x4d0
[  648.487226] hardirqs last disabled at (1160): [<ffffffff81a0111c>]
error_entry+0x7c/0x100
[  648.487239] softirqs last  enabled at (1132): [<ffffffff81c0032b>]
__do_softirq+0x32b/0x4e1
[  648.487254] softirqs last disabled at (1111): [<ffffffff8108b884>]
irq_exit+0xa4/0xb0
[  648.487434] WARNING: CPU: 1 PID: 2921 at
drivers/gpu/drm/i915/i915_gem.c:4978 i915_gem_sanitize+0x4d/0x80 [i915]
[  648.487445] ---[ end trace 46a07151b792d058 ]---
[  649.548697] [drm:vlv_suspend_complete [i915]] *ERROR* timeout waiting for GT
wells to go off

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