[Bug 99733] [ILK] [BAT] gem_exec_fence at await-hang-default hangs on CI

Thu Feb 9 15:59:00 UTC 2017

https://bugs.freedesktop.org/show_bug.cgi?id=99733

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
BUG_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags));

[  110.818123] [IGT] gem_exec_fence: starting subtest await-hang-default
[  120.858186] [drm:i915_reset_and_wakeup [i915]] resetting chip
[  120.858286] drm/i915: Resetting chip after gpu hang
[  120.858894] [drm:i915_gem_reset [i915]] context gem_exec_fence[6342]/0
marked guilty (score 10) banned? no
[  120.858915] [drm:i915_gem_reset [i915]] resetting render ring to restart
from tail of request 0x1473a
[  120.861524] [drm:ironlake_enable_drps [i915]] fmax: 0, fmin: 10, fstart: 8
[  120.863213] [drm:intel_guc_setup [i915]] GuC fw status: path (null), fetch
NONE, load NONE
[  126.874047] [drm:i915_reset_and_wakeup [i915]] resetting chip
[  126.874205] drm/i915: Resetting chip after gpu hang
[  126.874514] ------------[ cut here ]------------
[  126.874521] kernel BUG at ./include/linux/dma-fence.h:419!
[  126.874526] invalid opcode: 0000 [#1] PREEMPT SMP
[  126.874531] Modules linked in: intel_powerclamp coretemp crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_codec_generic
snd_hda_intel snd_hda_codec lpc_ich snd_hwdep snd_hda_core snd_pcm mei_me mei
i915 sdhci_pci sdhci mmc_core e1000e ptp pps_core
[  126.874559] CPU: 1 PID: 31 Comm: kworker/1:1 Not tainted
4.10.0-rc7-CI-CI_DRM_2177+ #1
[  126.874565] Hardware name: Hewlett-Packard HP EliteBook 8440p/172A, BIOS
68CCU Ver. F.24 09/13/2013
[  126.874601] Workqueue: events_long i915_hangcheck_elapsed [i915]
[  126.874607] task: ffff8801329f4bc0 task.stack: ffffc9000015c000
[  126.874639] RIP: 0010:i915_gem_reset+0x3b7/0x3d0 [i915]
[  126.874645] RSP: 0018:ffffc9000015fb80 EFLAGS: 00010202
[  126.874650] RAX: 0000000000000003 RBX: ffff8801291c8008 RCX:
ffff880126c07cb8
[  126.874657] RDX: ffff8801291c8008 RSI: 000000000001473a RDI:
ffff8801291c8008
[  126.874663] RBP: ffffc9000015fbe0 R08: 0000000000012f4e R09:
fc26e25000000000
[  126.874669] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880126c07420
[  126.874675] R13: ffff880126c04488 R14: ffff88012736b7f8 R15:
ffff880125d2dec0
[  126.874681] FS:  0000000000000000(0000) GS:ffff880137c40000(0000)
knlGS:0000000000000000
[  126.874691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  126.874699] CR2: 00007ffed9abaf90 CR3: 0000000001e0f000 CR4:
00000000000006e0
[  126.874708] Call Trace:
[  126.874744]  ? ironlake_do_reset+0x94/0xa0 [i915]
[  126.874773]  i915_reset+0x12a/0x1c0 [i915]
[  126.874803]  i915_reset_and_wakeup+0xf7/0x150 [i915]
[  126.874833]  i915_handle_error+0x19b/0x210 [i915]
[  126.874846]  ? scnprintf+0x3d/0x70
[  126.874880]  hangcheck_declare_hang+0xc6/0xf0 [i915]
[  126.874916]  ? intel_engine_get_active_head+0x56/0xd0 [i915]
[  126.874952]  i915_hangcheck_elapsed+0x29a/0x2d0 [i915]
[  126.874966]  process_one_work+0x1f4/0x6d0
[  126.874974]  ? process_one_work+0x16e/0x6d0
[  126.874982]  worker_thread+0x49/0x4a0
[  126.874990]  kthread+0x107/0x140
[  126.874998]  ? process_one_work+0x6d0/0x6d0
[  126.875005]  ? kthread_create_on_node+0x40/0x40
[  126.875017]  ret_from_fork+0x2e/0x40
[  126.875024] Code: 38 ae 1b a0 e8 3b 12 fa e0 e9 88 fc ff ff 4c 89 e7 4c 89
45 a0 e8 ca de ff ff 48 8b 45 c0 4c 8b 45 a0 48 8b 70 30 e9 ef fe ff ff <0f> 0b
49 8b 06 48 05 f8 57 00 00 e9 6a fe ff ff 66 0f 1f 84 00
[  126.875107] RIP: i915_gem_reset+0x3b7/0x3d0 [i915] RSP: ffffc9000015fb80

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