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<body><span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [SNB/BDW Regression]igt/kms_flip/vblank-vs-modeset-suspend causes "WARNING: CPU: 2 PID: 1051 at drivers/gpu/drm/i915/i915_irq.c:267 intel_gen6_powersave_work+0xa49/0xf1e [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=80376">bug 80376</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>ASSIGNED
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [SNB/BDW Regression]igt/kms_flip/vblank-vs-modeset-suspend causes "WARNING: CPU: 2 PID: 1051 at drivers/gpu/drm/i915/i915_irq.c:267 intel_gen6_powersave_work+0xa49/0xf1e [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=80376#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [SNB/BDW Regression]igt/kms_flip/vblank-vs-modeset-suspend causes "WARNING: CPU: 2 PID: 1051 at drivers/gpu/drm/i915/i915_irq.c:267 intel_gen6_powersave_work+0xa49/0xf1e [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=80376">bug 80376</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=80376#c3">comment #3</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=101646" name="attach_101646" title="[PATCH v3] drm/i915: Leave interrupts enabled while disabling crtcs">attachment 101646</a> <a href="attachment.cgi?id=101646&action=edit" title="[PATCH v3] drm/i915: Leave interrupts enabled while disabling crtcs">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=80376&attachment=101646'>[review]</a> [review]
> [PATCH v3] drm/i915: Leave interrupts enabled while disabling crtcs
>
> I think it must be caused by this:
>
> commit e11aa362308f5de467ce355a2a2471321b15a35c
> Author: Jesse Barnes <<a href="mailto:jbarnes@virtuousgeek.org">jbarnes@virtuousgeek.org</a>>
> Date: Wed Jun 18 09:52:55 2014 -0700
>
> drm/i915: use runtime irq suspend/resume in freeze/thaw
>
>
> This patch should fix it. I've been trying to sneak it in for a long time
> already but so far it's not made it.</span >
The CallTrace unable to reproduce on latest
-nightly(1087d4bf01e79523898c6c31615bf0c369e0039a), but the test still failed.
Output:
[root@x-sgb3 tests]# ./kms_flip --run-subtest vblank-vs-modeset-suspend
IGT-Version: 1.7-g7ef5372 (x86_64) (Linux:
3.16.0-rc2_drm-intel-nightly_1087d4_20140626+ x86_64)
Using monotonic timestamps
Test assertion failure function run_test, file kms_flip.c:1400:
Last errno: 0, Success
Failed assertion: modes
Subtest vblank-vs-modeset-suspend: FAIL
[root@x-sgb3 tests]# dmesg|grep Call
[root@x-sgb3 tests]#</pre>
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