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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - KDE 5 / Plasma crashes with nouveau "fifo: gr engine fault on channel 2, recovering" or "gr: TRAP ch 2""
href="https://bugs.freedesktop.org/show_bug.cgi?id=95054#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - KDE 5 / Plasma crashes with nouveau "fifo: gr engine fault on channel 2, recovering" or "gr: TRAP ch 2""
href="https://bugs.freedesktop.org/show_bug.cgi?id=95054">bug 95054</a>
from <span class="vcard"><a class="email" href="mailto:renda.krell@gmail.com" title="René Krell <renda.krell@gmail.com>"> <span class="fn">René Krell</span></a>
</span></b>
<pre>I'm affected by the same problem on a different hardware.
/var/log/messages:
---
2016-06-01T10:31:51.921964+02:00 rkrell kernel: [ 249.913240] nouveau
0000:01:00.0: gr: TRAP ch 2 [003fbfa000 X[2532]]
2016-06-01T10:31:51.921965+02:00 rkrell kernel: [ 249.913245] nouveau
0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009
...
# the above repeated many times
...
2016-06-01T10:31:59.599064+02:00 rkrell kernel: [ 257.590487] nouveau
0000:01:00.0: fifo: read fault at 0000240000 engine 00 [GR] client 01
[GPC0/T1_0] reason 02 [PTE] on channel 2 [003fbfa000 X[2532]]
2016-06-01T10:31:59.599074+02:00 rkrell kernel: [ 257.590490] nouveau
0000:01:00.0: fifo: gr engine fault on channel 2, recovering...
2016-06-01T10:31:59.599075+02:00 rkrell kernel: [ 257.590497] nouveau
0000:01:00.0: gr: TRAP ch 2 [003fbfa000 X[2532]]
2016-06-01T10:31:59.599076+02:00 rkrell kernel: [ 257.590514] nouveau
0000:01:00.0: gr: GPC0/TPC0/TEX: 80000049
---
After that, the desktop locks up.
I can reproduce this each time, after a while of working with Chromium, for
example. KDE compositor set to OpenGL 2.0 or 3.1 / GLX.
- Hardware: HP ZBook 15 G2 (GK208), BIOS 01.34, Hybrid Graphics in BIOS set to
Auto
- OS: OpenSUSE Tumbleweed 20160530
- uname -a:
Linux rkrell 4.5.4-1-default #1 SMP PREEMPT Wed May 11 15:23:21 UTC 2016
(db90c25) x86_64 x86_64 x86_64 GNU/Linux</pre>
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