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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BYT Regression]igt/gem_concurrent_blit/gtt-gpu-read-after-write-forked causes *ERROR* timed out waiting for Punit"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75244#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BYT Regression]igt/gem_concurrent_blit/gtt-gpu-read-after-write-forked causes *ERROR* timed out waiting for Punit"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75244">bug 75244</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>Created <span class=""><a href="attachment.cgi?id=100700" name="attach_100700" title="dmesg">attachment 100700</a> <a href="attachment.cgi?id=100700&action=edit" title="dmesg">[details]</a></span>
dmesg
(In reply to <a href="show_bug.cgi?id=75244#c5">comment #5</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=100521" name="attach_100521" title="increase punit timeout">attachment 100521</a> <a href="attachment.cgi?id=100521&action=edit" title="increase punit timeout">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=75244&attachment=100521'>[review]</a> [review]
> increase punit timeout
>
> Can you try this one instead?</span >
Test this patch, It still has this error.
output:
IGT-Version: 1.6-g18d2130 (x86_64) (Linux: 3.15.0-rc8_kcloud_d26d81_20140609+
x86_64)
using 2x512 buffers, each 1MiB
Subtest gtt-gpu-read-after-write-forked: SUCCESS
# dmesg -r | egrep "<[1-3]>" |grep drm
<3>[ 415.785361] [drm:vlv_set_rps_idle] *ERROR* timed out waiting for Punit</pre>
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