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<body><span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB] Linux 4.13 regression: ES2-CTS.functional.fragment_ops.blend failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103802">bug 103802</a>
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<td>ville.syrjala@linux.intel.com
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB] Linux 4.13 regression: ES2-CTS.functional.fragment_ops.blend failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103802#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB] Linux 4.13 regression: ES2-CTS.functional.fragment_ops.blend failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103802">bug 103802</a>
from <span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
</span></b>
<pre>I can confirm Clayton's report, and bisected it way back to the 4.11-rc1
timeframe:
b7048ea12fbb2724ee0cd30752d4fac43cab0651 is the first bad commit
commit b7048ea12fbb2724ee0cd30752d4fac43cab0651
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Wed Mar 15 16:31:58 2017 +0200
drm/i915: Do .init_clock_gating() earlier to avoid it clobbering watermarks
To reproduce, do:
$ while true; do ./glcts -n ES2-CTS.functional.fragment_ops.blend.*; done |&
grep Fail
in 3-4 terminals simultaneously. Failures should show up very quickly.
FWIW, this is using the teamforge CTS repo, 'updated-cts' branch, built with
DEQP_TARGET=x11. (It's old, we're in the process of updating to the modern ES
CTS, but not quite there yet...)</pre>
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