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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 - [BAT][GLK] igt@gem_exec_suspend@basic-s3 hits WARN_ON(wait_for_engine(engine, 50))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102456">102456</a>
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<tr>
<th>Summary</th>
<td>[BAT][GLK] igt@gem_exec_suspend@basic-s3 hits WARN_ON(wait_for_engine(engine, 50))
</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>
<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>
<p>
<div>
<pre>On CI_DRM_3011, the machine fi-glk-2a hits the following issue when running
igt@gem_exec_suspend@basic-s3:
[ 320.240058] WARN_ON(wait_for_engine(engine, 50))
[ 320.240117] ------------[ cut here ]------------
[ 320.240163] WARNING: CPU: 0 PID: 3144 at
drivers/gpu/drm/i915/i915_gem.c:3385 i915_gem_wait_for_idle+0x19d/0x200 [i915]
[ 320.240166] Modules linked in: 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 snd_pcm r8169 mii prime_numbers i2c_hid pinctrl_geminilake
pinctrl_intel
[ 320.240225] CPU: 0 PID: 3144 Comm: kworker/u8:15 Tainted: G U
4.13.0-rc6-CI-CI_DRM_3011+ #1
[ 320.240229] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0045.B51.1704281422 04/28/2017
[ 320.240236] Workqueue: events_unbound async_run_entry_fn
[ 320.240241] task: ffff880174ff2780 task.stack: ffffc90000780000
[ 320.240282] RIP: 0010:i915_gem_wait_for_idle+0x19d/0x200 [i915]
[ 320.240285] RSP: 0018:ffffc90000783c40 EFLAGS: 00010286
[ 320.240290] RAX: 0000000000000024 RBX: fffffffffffffffe RCX:
0000000000000006
[ 320.240293] RDX: 0000000000000006 RSI: ffffffff81cf74e4 RDI:
ffffffff81cae38e
[ 320.240296] RBP: ffffc90000783c70 R08: 0000000000000000 R09:
0000000000000001
[ 320.240299] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880175e90008
[ 320.240301] R13: ffff880168ad0000 R14: 0000000100004f0e R15:
ffff880168ad4350
[ 320.240305] FS: 0000000000000000(0000) GS:ffff88017fc00000(0000)
knlGS:0000000000000000
[ 320.240308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 320.240310] CR2: 00007f5324877218 CR3: 0000000003e0f000 CR4:
00000000003406f0
[ 320.240313] Call Trace:
[ 320.240358] i915_gem_suspend+0x45/0x140 [i915]
[ 320.240395] i915_pm_suspend+0x86/0x1a0 [i915]
[ 320.240403] pci_pm_suspend+0x78/0x140
[ 320.240411] dpm_run_callback+0x6f/0x310
[ 320.240415] ? pci_pm_resume+0xa0/0xa0
[ 320.240421] __device_suspend+0x102/0x380
[ 320.240427] ? dpm_watchdog_set+0x70/0x70
[ 320.240435] async_suspend+0x1f/0xa0
[ 320.240440] async_run_entry_fn+0x38/0x160
[ 320.240446] process_one_work+0x224/0x650
[ 320.240454] worker_thread+0x4e/0x3b0
[ 320.240462] kthread+0x114/0x150
[ 320.240465] ? process_one_work+0x650/0x650
[ 320.240469] ? kthread_create_on_node+0x40/0x40
[ 320.240475] ret_from_fork+0x27/0x40
[ 320.240486] Code: d0 0f 85 2e ff ff ff 48 83 c4 08 31 c0 5b 41 5c 41 5d 41
5e 41 5f 5d c3 48 c7 c6 f0 9d 22 a0 48 c7 c7 68 7d 21 a0 e8 e4 f3 fb e0 <0f> ff
31 d2 4c 89 ee 48 c7 c7 90 da 12 a0 e8 50 92 00 e1 48 83
[ 320.240641] ---[ end trace 4fed512b7c104387 ]---
This issue then prevented the machine to suspend to RAM.
Full logs:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3011/fi-glk-2a/igt@gem_exec_suspend@basic-s3.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3011/fi-glk-2a/igt@gem_exec_suspend@basic-s3.html</a></pre>
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