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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV/IVB]igt/kms_flip/dpms-vs-vblank-race fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75593">bug 75593</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>NEW
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV/IVB]igt/kms_flip/dpms-vs-vblank-race fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75593#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV/IVB]igt/kms_flip/dpms-vs-vblank-race fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75593">bug 75593</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>Test on latest igt and nightly kernel.
It fails on PNV,IVB.HSW,BYT. It works well on ILK, SNB,BDW.
output on BYT:
Using monotonic timestamps
Beginning dpms-vs-vblank-race on crtc 3, connector 20
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
Test assertion failure function run_test_step, file kms_flip.c:928:
Last errno: 2, No such file or directory
Failed assertion: end - start > 1 * frame_time(o) / 2 && end - start < 3 *
frame_time(o) / 2
Subtest dpms-vs-vblank-race: FAIL</pre>
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