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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [nvc1/Quardro1000M|nvc3/Quadro2000M] graphic garbage/corruption/noise on resume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=59168#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [nvc1/Quardro1000M|nvc3/Quadro2000M] graphic garbage/corruption/noise on resume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=59168">bug 59168</a>
from <span class="vcard"><a class="email" href="mailto:p.stastny@gmx.de" title="Petr Stastny <p.stastny@gmx.de>"> <span class="fn">Petr Stastny</span></a>
</span></b>
<pre>I was digging in the nouveau code a bit and looking where the endlessly
repeating messages
[ 66.090322] nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007fce1000]
[ 66.090358] nouveau E[ PGRAPH][0000:01:00.0] SHADER 0xa004021e
[ 66.090457] nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007fce1000]
[ 66.090485] nouveau E[ PGRAPH][0000:01:00.0] SHADER 0xa004021e
It looks to me like something should be initialized but does not.
I got to the source code file nouveau/core/engine/graph/nvc0.c
switch (nvc0_graph_class(priv)) {
case 0x9097:
nv_engine(priv)->sclass = nvc0_graph_sclass;
break;
case 0x9197:
nv_engine(priv)->sclass = nvc1_graph_sclass;
break;
case 0x9297:
nv_engine(priv)->sclass = nvc8_graph_sclass;
break;
}
What I am just curious about - I do not see here any implementation for nvc3 -
is this maybe the problem or is nvc3 already handled by any of the 3 methods
listed here?
When I find some time, I could debug this more. Can somebody point me in the
right direction? Is there any documentation for the implementation? I would
like to fix the problem :)
BTW: the code above is from 3.8-rc7</pre>
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