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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SNB] vblank wait timed out while running igt@kms_flip@flip-vs-panning-vs-hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102364">102364</a>
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</tr>
<tr>
<th>Summary</th>
<td>[CI][SNB] vblank wait timed out while running igt@kms_flip@flip-vs-panning-vs-hang
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@free.fr
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>On CI_DRM_2990 and CI_DRM_2991, the sharded SNB machines timed out on vblank
wait when running igt@kms_flip@flip-vs-panning-vs-hang:
[ 47.825142] pipe B vblank wait timed out
[ 47.825171] ------------[ cut here ]------------
[ 47.825203] WARNING: CPU: 2 PID: 152 at
drivers/gpu/drm/i915/intel_display.c:12152 intel_atomic_commit_tail+0xedd/0xf00
[i915]
[ 47.825206] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core broadcom bcm_phy_lib tg3 snd_pcm ptp pps_core mei_me
lpc_ich mei prime_numbers
[ 47.825247] CPU: 2 PID: 152 Comm: kworker/u16:6 Not tainted
4.13.0-rc6-CI-CI_DRM_2991+ #1
[ 47.825248] Hardware name: Dell Inc. XPS 8300 /0Y2MRG, BIOS A06 10/17/2011
[ 47.825269] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 47.825273] task: ffff88022385cfc0 task.stack: ffffc90000bb0000
[ 47.825293] RIP: 0010:intel_atomic_commit_tail+0xedd/0xf00 [i915]
[ 47.825294] RSP: 0018:ffffc90000bb3d78 EFLAGS: 00010296
[ 47.825298] RAX: 000000000000001c RBX: 0000000000000001 RCX:
0000000000000001
[ 47.825300] RDX: 0000000080000001 RSI: ffffffff81d01e57 RDI:
00000000ffffffff
[ 47.825301] RBP: ffffc90000bb3e20 R08: ffff88022385d8b0 R09:
0000000000000000
[ 47.825303] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88021a520000
[ 47.825305] R13: 0000000000000218 R14: 0000000000000004 R15:
0000000000000002
[ 47.825307] FS: 0000000000000000(0000) GS:ffff88022fa80000(0000)
knlGS:0000000000000000
[ 47.825309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.825310] CR2: 000055d8a7e081d8 CR3: 0000000001e0f000 CR4:
00000000000406e0
[ 47.825312] Call Trace:
[ 47.825317] ? trace_hardirqs_off_caller+0x96/0xe0
[ 47.825321] ? wait_woken+0x90/0x90
[ 47.825342] intel_atomic_commit_work+0x12/0x20 [i915]
[ 47.825345] process_one_work+0x224/0x650
[ 47.825350] worker_thread+0x4e/0x3b0
[ 47.825354] kthread+0x114/0x150
[ 47.825356] ? process_one_work+0x650/0x650
[ 47.825358] ? kthread_create_on_node+0x40/0x40
[ 47.825362] ret_from_fork+0x27/0x40
[ 47.825367] Code: ff ff ff 48 83 c7 08 e8 72 51 ed e0 4c 8b 85 78 ff ff ff
4d 85 c0 0f 85 d3 fd ff ff 8d 73 41 48 c7 c7 c0 9a 2a a0 e8 24 97 ef e0 <0f> ff
e9 bd fd ff ff 8d 70 41 48 c7 c7 90 9a 2a a0 e8 0e 97 ef
[ 47.825460] ---[ end trace 34b8b125081ed49e ]---
[ 59.832874] i915 0000:00:02.0: Resetting chip after gpu hang
Full logs:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2991/shard-snb1/igt@kms_flip@flip-vs-panning-vs-hang.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2991/shard-snb1/igt@kms_flip@flip-vs-panning-vs-hang.html</a></pre>
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