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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [i965] Downward causes GPU hangs and misrendering on Haswell"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104297#c14">Comment # 14</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [i965] Downward causes GPU hangs and misrendering on Haswell"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104297">bug 104297</a>
from <span class="vcard"><a class="email" href="mailto:d.spitznagel@goodbytez.de" title="Darius Spitznagel <d.spitznagel@goodbytez.de>"> <span class="fn">Darius Spitznagel</span></a>
</span></b>
<pre>Good news Ken,
as of today the GPU hangs are much less severe.
I think its because of Brian Pauls recent GLSL patches which landed in mesa
master.
Especially I think this one...
glsl: disable vec3 packing/splitting in tfb separate mode
(6e5b882339e9128348f0e7b828230f07338fce55)
The GPU hang error changed from...
[ 690.105553] [drm] GPU HANG: ecode 7:0:0x87d57d10, in Downward [2633],
reason: Hang on rcs0, action: reset
to...
[ 1415.920704] [drm] GPU HANG: ecode 7:0:0x85dffffc, in glretrace [1052],
reason: Hang on render ring, action: reset
The failed "Failed to submit batchbuffer: Invalid argument" error still happens
sometimes, misrendering ist persistent and still no statebuffer growing in
replay output.
Currently I run an endless loop replaying the trace to check if the replay
kills my desktop session which it did yesterday a couple of times.
I will run this test for an hour and then also apply your patch from <a href="show_bug.cgi?id=104297#c11">Comment 11</a>
and report back.</pre>
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