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<body><span class="vcard"><a class="email" href="mailto:hengx.ding@intel.com" title="Ding Heng <hengx.ding@intel.com>"> <span class="fn">Ding Heng</span></a>
</span> changed
<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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<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#c7">Comment # 7</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:hengx.ding@intel.com" title="Ding Heng <hengx.ding@intel.com>"> <span class="fn">Ding Heng</span></a>
</span></b>
<pre>(In reply to Matt Roper from <a href="show_bug.cgi?id=89100#c6">comment #6</a>)
<span class="quote">> (In reply to wendy.wang from <a href="show_bug.cgi?id=89100#c4">comment #4</a>)
> Re-test with latest
> drm-intel-nightly branch kernel:
> Linux x-skly03
> 4.0.0-rc2_drm-intel-nightly_c2f6e5_20150307+ #238 SMP Sat Mar
> 7 09:01:15
> EST 2015 x86_64 x86_64 x86_64 GNU/Linux
>
> IGT case kms_universal_plane
> will not cause system hang, but has call trace.
> (dmesg log file attached.)
> Can you test with the latest drm-intel-nightly, plus the patch from
> <a href="http://patchwork.freedesktop.org/patch/44302/">http://patchwork.freedesktop.org/patch/44302/</a> and see if it resolves the
> issue?</span >
Call trace issue still exist with this patch, maybe will not hapen first time
you run this case after boot, maybe twice or more will reproduce this issue.</pre>
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