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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB Regression]igt/kms_flip/vblank-vs-modeset-suspend-interruptible fails sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82232">82232</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>bisect_pending
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB Regression]igt/kms_flip/vblank-vs-modeset-suspend-interruptible fails sporadically
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=104138" name="attach_104138" title="dmesg">attachment 104138</a> <a href="attachment.cgi?id=104138&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
Good commit on -next-queued：34548e510657af829032f23128c0c01ebe48ef21(I tired 5
times and didn't reproduce this issue)
The fail rate about 1 out of 3
Non-working platforms: SNB
==kernel==
--------------------------
origin/drm-intel-nightly: 79e44bfa10063ee529140e88fdc401c4ce07d644(fails)
drm-intel-nightly: 2014y-08m-06d-00h-42m-38s integration manifest
origin/drm-intel-next-queued: 414863f8733f79e7e25283499fdede1ca987f216(fails)
drm/i915: Don't accumulate hangcheck score on forward progress
origin/drm-intel-fixes: 96d56d71a3bcd0a0015034a8f3decc46cb9ec855(fails)
drm/i915: Fix crash when failing to parse MIPI VBT
==Bug detailed description==
igt/kms_flip/vblank-vs-modeset-suspend-interruptible fails sporadically
Output:
[root@x-sgb4 tests]# ./kms_flip --run-subtest
vblank-vs-modeset-suspend-interruptible
IGT-Version: 1.7-gac31f19 (i686) (Linux:
3.16.0_drm-intel-next-queued_414863_20140806+ i686)
Using monotonic timestamps
Beginning vblank-vs-modeset-suspend-interruptible on crtc 8, connector 14
1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x48 148500
.rtcwake: wakeup from ""mem"" using /dev/rtc0 at Wed Aug 6 14:47:38 2014
Test assertion failure function igt_system_suspend_autoresume, file
igt_aux.c:325:
Failed assertion: ret == 0
Last errno: 4, Interrupted system call
Subtest vblank-vs-modeset-suspend-interruptible: FAIL
==Reproduce steps==
----------------------------
1. ./kms_flip --run-subtest vblank-vs-modeset-suspend-interruptible</pre>
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