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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVC1] Attempt to use kde/plasma renders the system immediately unresponsive"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94694#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVC1] Attempt to use kde/plasma renders the system immediately unresponsive"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94694">bug 94694</a>
from <span class="vcard"><a class="email" href="mailto:oakad@yahoo.com" title="Alexander Dubov <oakad@yahoo.com>"> <span class="fn">Alexander Dubov</span></a>
</span></b>
<pre>Some additional messages do appear:
Mar 25 23:40:44 mercador kernel: nouveau 0000:01:00.0: fifo: SCHED_ERROR 0d []
Mar 25 23:40:46 mercador kernel: nouveau 0000:01:00.0: fifo: runlist update
time
out
Mar 25 23:40:46 mercador kernel: nouveau 0000:01:00.0: fifo: INTR 00000001:
0000
000b
During a different attempt:
Mar 25 18:19:03 mercador kernel: [ 3381.724766] nouveau 0000:01:00.0: fifo:
PBDM
A0: 00040000 [] ch 17 [003f4cc000 plasmashell[24734]] subc 0 mthd 2490 data
0000
00d0
Mar 25 18:19:03 mercador kernel: [ 3381.724779] nouveau 0000:01:00.0: fifo:
PBDM
A0: 00200000 [ILLEGAL_MTHD] ch 17 [003f4cc000 plasmashell[24734]] subc 0 mthd
00
0c data 80ff0e04
Mar 25 18:19:03 mercador kernel: [ 3381.724789] nouveau 0000:01:00.0: fifo:
PBDM
A0: 02000000 [] ch 17 [003f4cc000 plasmashell[24734]] subc 0 mthd 0020 data
0000
8006
Mar 25 18:19:03 mercador kernel: [ 3381.724801] nouveau 0000:01:00.0: fifo:
PBDM
A0: 00200000 [ILLEGAL_MTHD] ch 17 [003f4cc000 plasmashell[24734]] subc 0 mthd
00
30 data 800103e4
Mar 25 18:19:03 mercador kernel: [ 3381.724812] nouveau 0000:01:00.0: fifo:
PBDM
A0: 00200000 [ILLEGAL_MTHD] ch 17 [003f4cc000 plasmashell[24734]] subc 0 mthd
00
34 data 20010680
Mar 25 18:19:03 mercador kernel: [ 3381.724822] nouveau 0000:01:00.0: fifo:
PBDM
A0: 00200000 [ILLEGAL_MTHD] ch 17 [003f4cc000 plasmashell[24734]] subc 0 mthd
00
38 data 00001111
.... more similar messages to follow ....
Also, there may have been other messages during other runs (because of a nasty
nature of a fault it's not always possible to capture them).
Also, it appears that only Plasma is affected: Gnome, Firefox (including WebGL
stuff), most KDE apps running stand alone appear to just work.</pre>
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