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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][HSW] igt@kms_flip@flip-vs-modeset-interruptible - pipe C vblank wait timed out"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102557">102557</a>
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<tr>
<th>Summary</th>
<td>[CI][HSW] igt@kms_flip@flip-vs-modeset-interruptible - pipe C vblank wait timed out
</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>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<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_3040, the machine shard-hsw, the test
igt@kms_flip@flip-vs-modeset-interruptible generated the following dmesg:
[ 50.826884] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[ 50.826963] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
[ 50.877032] pipe C vblank wait timed out
[ 50.877065] ------------[ cut here ]------------
[ 50.877116] WARNING: CPU: 7 PID: 2550 at
drivers/gpu/drm/i915/intel_display.c:12179 intel_atomic_commit_tail+0xf1d/0xf40
[i915]
[ 50.877120] Modules linked in: snd_hda_codec_hdmi i915 snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp
snd_hda_intel snd_hda_codec crct10dif_pclmul crc32_pclmul snd_hwdep
snd_hda_core ghash_clmulni_intel snd_pcm mei_me r8169 prime_numbers mii lpc_ich
mei
[ 50.877194] CPU: 7 PID: 2550 Comm: kms_flip Tainted: G U
4.13.0-CI-CI_DRM_3040+ #1
[ 50.877198] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
[ 50.877202] task: ffff8803fa6d2800 task.stack: ffffc90000fcc000
[ 50.877249] RIP: 0010:intel_atomic_commit_tail+0xf1d/0xf40 [i915]
[ 50.877253] RSP: 0018:ffffc90000fcfac0 EFLAGS: 00010282
[ 50.877260] RAX: 000000000000001c RBX: 0000000000000002 RCX:
0000000000000001
[ 50.877264] RDX: 0000000080000001 RSI: ffffffff81d021bf RDI:
00000000ffffffff
[ 50.877267] RBP: ffffc90000fcfb70 R08: ffff8803fa6d3118 R09:
0000000000000000
[ 50.877271] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8803f9780000
[ 50.877274] R13: 0000000000000430 R14: 0000000000000008 R15:
0000000000000004
[ 50.877279] FS: 00007fcd4295da40(0000) GS:ffff88041fbc0000(0000)
knlGS:0000000000000000
[ 50.877282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.877286] CR2: 00007f568a836000 CR3: 00000004064ac000 CR4:
00000000001406e0
[ 50.877290] Call Trace:
[ 50.877303] ? wait_woken+0x90/0x90
[ 50.877350] intel_atomic_commit+0x1bd/0x280 [i915]
[ 50.877359] drm_atomic_commit+0x4b/0x50
[ 50.877365] drm_atomic_helper_set_config+0x81/0x90
[ 50.877372] __drm_mode_set_config_internal+0x65/0x110
[ 50.877379] drm_mode_setcrtc+0x4c8/0x630
[ 50.877386] ? drm_modeset_acquire_fini+0x1f/0x60
[ 50.877392] ? drm_mode_page_flip_ioctl+0x269/0x530
[ 50.877405] ? drm_mode_getcrtc+0x180/0x180
[ 50.877410] drm_ioctl_kernel+0x69/0xb0
[ 50.877417] drm_ioctl+0x2f9/0x3d0
[ 50.877422] ? drm_mode_getcrtc+0x180/0x180
[ 50.877435] ? __vfs_read+0x28/0x120
[ 50.877443] do_vfs_ioctl+0x94/0x670
[ 50.877450] ? entry_SYSCALL_64_fastpath+0x5/0xb1
[ 50.877457] ? __this_cpu_preempt_check+0x13/0x20
[ 50.877463] ? trace_hardirqs_on_caller+0xe3/0x1b0
[ 50.877470] SyS_ioctl+0x41/0x70
[ 50.877477] entry_SYSCALL_64_fastpath+0x1c/0xb1
[ 50.877481] RIP: 0033:0x7fcd40b5c587
[ 50.877485] RSP: 002b:00007ffdd81615d8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 50.877492] RAX: ffffffffffffffda RBX: ffffffff8148a693 RCX:
00007fcd40b5c587
[ 50.877496] RDX: 00007ffdd8161610 RSI: 00000000c06864a2 RDI:
0000000000000003
[ 50.877499] RBP: ffffc90000fcff88 R08: 0000000000000000 R09:
00007ffdd8161ab8
[ 50.877503] R10: 00007ffdd8161964 R11: 0000000000000246 R12:
0000000000000000
[ 50.877506] R13: 0000000000000003 R14: 00000000c06864a2 R15:
0000000000000003
[ 50.877513] ? __this_cpu_preempt_check+0x13/0x20
[ 50.877522] Code: ff ff ff 48 83 c7 08 e8 12 2e d1 e0 4c 8b 85 78 ff ff ff
4d 85 c0 0f 85 d3 fd ff ff 8d 73 41 48 c7 c7 28 b9 46 a0 e8 c4 73 d3 e0 <0f> ff
e9 bd fd ff ff 8d 70 41 48 c7 c7 f8 b8 46 a0 e8 ae 73 d3
[ 50.877716] ---[ end trace d7c4def1351a7d58 ]---
Full logs:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3040/shard-hsw5/igt@kms_flip@flip-vs-modeset-interruptible.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3040/shard-hsw5/igt@kms_flip@flip-vs-modeset-interruptible.html</a></pre>
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