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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GF110] KDE plasma locks randomly due to crash of nouveau driver"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92971#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GF110] KDE plasma locks randomly due to crash of nouveau driver"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92971">bug 92971</a>
from <span class="vcard"><a class="email" href="mailto:conde.philippe@skynet.be" title="Philippe Condé <conde.philippe@skynet.be>"> <span class="fn">Philippe Condé</span></a>
</span></b>
<pre>hello,
it is kde5 (KF5).
With opensuse Tumbleweed we do a global update (snapshot). Difficult to see
thereafter if this is due to KDE or the kernel.
Three examples from journalctl:
the very first error after the boot message: the lock occurred during
reactivation of the session:
Nov 14 18:02:58 hpprol2 kernel: nouveau 0000:0a:00.0: timeout at
../drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c:66/gf100_fifo_gpfifo_engine_fini()!
Nov 14 18:02:58 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: channel 14
[xembedsniproxy[2209]] kick timeout
Nov 14 18:02:58 hpprol2 kernel: nouveau:
xembedsniproxy[2209]:cccc0000:0000906f: detach gr failed, -16
Nov 14 18:02:58 hpprol2 kernel: nouveau 0000:0a:00.0: timeout at
../drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c:66/gf100_fifo_gpfifo_engine_fini()!
Nov 14 18:02:58 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: channel 20
[xembedsniproxy[2229]] kick timeout
Nov 14 18:02:58 hpprol2 kernel: nouveau:
xembedsniproxy[2229]:cccc0000:0000906f: detach gr failed, -16
Nov 14 18:02:59 hpprol2 audit[2124]: ANOM_ABEND auid=1000 uid=1000 gid=100
ses=1 pid=2124 comm="kactivitymanage" exe="/usr/bin/kactivitymanagerd" sig=11
2) the first errors with a corrupt screen followed by a lock when loading Yast
Nov 15 10:36:29 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 y2controlcenter[25892]] subc 0 mthd 0000 data 00000000
Nov 15 10:36:29 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80040000 []
ch 30 [007e6ab000 y2controlcenter[25892]] subc 0 mthd 0000 data 00000000
Nov 15 10:36:29 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 y2controlcenter[25892]] subc 0 mthd 0000 data 00000000
Nov 15 10:36:29 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: read fault at
0000000000 engine 07 [PFIFO] client 06 [PFIFO] reason 00 [PT_NOT_PRESENT] on
channel 30 [007e6ab000 y2controlcenter[25892]]
Nov 15 10:36:29 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: fifo engine fault
on channel 30, recovering...
Nov 15 10:36:37 hpprol2 kernel: nouveau 0000:0a:00.0: DRM: GPU lockup -
switching to software fbcon
3) the system locked in the night 15-16 and the first error message are
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80040000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: PBDMA0: 80000000 []
ch 30 [007e6ab000 kscreenlocker_g[14277]] subc 0 mthd 0000 data 00000000
there are a lot of this messages and then errors about kscreenlocker
ov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: read fault at
2000000000 engine 07 [PFIFO] client 06 [PFIFO] reason 00 [PT_NOT_PRESENT] on
channel 30 [007e6ab000 kscreenlocker_g[14277]]
Nov 16 00:10:32 hpprol2 kernel: nouveau 0000:0a:00.0: fifo: fifo engine fault
on channel 30, recovering...
the only common process in all case is nouveau
Regards
Philippe</pre>
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