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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>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]kms_universal_plane causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89100">bug 89100</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 - [SKL]kms_universal_plane causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89100#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]kms_universal_plane causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89100">bug 89100</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>(In reply to Jesse Barnes from <a href="show_bug.cgi?id=89100#c1">comment #1</a>)
<span class="quote">> Can you try an older kernel and see if it is a regression? If so, can you
> bisect?</span >
Test older kernel,system also hang
test commit:
drm-intel-nightly/ea4bec8e96ea8b33b49a7892c1c7f20041a56da6(drm-intel-nightly:
2014y-10m-09d-07h-58m-45s), ctrl+c, it doesn't exit testing, run reboot,system
is no response,
output:
IGT-Version: 1.9-g9846e7f (x86_64) (Linux:
3.17.0_drm-intel-nightly_ea4bec_20141010+ x86_64)
^C^C^C^C^C^C^C^C^C^C
Test commit: 07d0c831d9207c937595f081c8fddbddbf53756f(drm-intel-nightly:
2014y-12m-30d-13h-01m-34s), system also hang.
output:
IGT-Version: 1.9-g9846e7f (x86_64) (Linux:
3.19.0-rc2_drm-intel-nightly_07d0c8_20150104+ x86_64)
Testing connector eDP-1 using pipe A
(kms_universal_plane:5213) CRITICAL: Test assertion failure function
functional_test_pipe, file kms_universal_plane.c:270:
(kms_universal_plane:5213) CRITICAL: Failed assertion:
igt_crc_equal(&test.crc_1, &test.crc_5)
Subtest universal-plane-pipe-A-functional: FAIL (2.434s)
Subtest universal-plane-pipe-A-sanity: SUCCESS (1.120s)</pre>
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