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<body><span class="vcard"><a class="email" href="mailto:acs82@gmx.de" title="acs82@gmx.de">acs82@gmx.de</a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - Nouveau system freeze fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100567">bug 100567</a>
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<td style="text-align:right;">CC</td>
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<td>acs82@gmx.de
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Nouveau system freeze fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100567#c40">Comment # 40</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Nouveau system freeze fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100567">bug 100567</a>
from <span class="vcard"><a class="email" href="mailto:acs82@gmx.de" title="acs82@gmx.de">acs82@gmx.de</a>
</span></b>
<pre>Same bug here. Seems to happen often with firefox, when opening a link, or when
usintg alt+tab to switch to it. So I changed to chromium, which seems to
trigger it at least not that often.
The bug as well recently happend when I switched to eclipse via alt+tab. Here a
log:
schwinn@schwinn-desktop:~$ sudo lspci | grep VGA
06:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 710]
(rev a1)
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080132] nouveau 0000:06:00.0:
gr: TRAP ch 4 [003fb96000 Xorg[645]]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080146] nouveau 0000:06:00.0:
gr: GPC0/TPC0/MP trap: global 00000004 [MULTIPLE_WARP_ERRORS] warp 3f000
9 [ILLEGAL_INSTR_ENCODING]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080259] nouveau 0000:06:00.0:
gr: TRAP ch 2 [003fbec000 Xorg[645]]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080268] nouveau 0000:06:00.0:
gr: GPC0/TPC0/MP trap: global 00000004 [MULTIPLE_WARP_ERRORS] warp 7000e
[OOR_ADDR]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080277] nouveau 0000:06:00.0:
gr: TRAP ch 2 [003fbec000 Xorg[645]]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080284] nouveau 0000:06:00.0:
gr: GPC0/TPC0/MP trap: global 00000004 [MULTIPLE_WARP_ERRORS] warp 7000e
[OOR_ADDR]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080292] nouveau 0000:06:00.0:
gr: TRAP ch 2 [003fbec000 Xorg[645]]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080299] nouveau 0000:06:00.0:
gr: GPC0/TPC0/MP trap: global 00000004 [MULTIPLE_WARP_ERRORS] warp 10000e
[OOR_ADDR]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080309] nouveau 0000:06:00.0:
gr: TRAP ch 2 [003fbec000 Xorg[645]]
Oct 7 23:13:23 schwinn-desktop kernel: [ 2726.080316] nouveau 0000:06:00.0:
gr: GPC0/TPC0/MP trap: global 00000004 [MULTIPLE_WARP_ERRORS] warp 26000e
[OOR_ADDR]
Oct 7 23:13:28 schwinn-desktop kernel: [ 2730.413036] nouveau 0000:06:00.0:
fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 7 23:13:28 schwinn-desktop kernel: [ 2730.413057] nouveau 0000:06:00.0:
fifo: runlist 0: scheduled for recovery
Oct 7 23:13:28 schwinn-desktop kernel: [ 2730.413077] nouveau 0000:06:00.0:
fifo: channel 2: killed
Oct 7 23:13:28 schwinn-desktop kernel: [ 2730.413086] nouveau 0000:06:00.0:
fifo: engine 6: scheduled for recovery
Oct 7 23:13:28 schwinn-desktop kernel: [ 2730.413091] nouveau 0000:06:00.0:
fifo: engine 0: scheduled for recovery
Oct 7 23:13:28 schwinn-desktop kernel: [ 2730.413160] nouveau 0000:06:00.0:
Xorg[645]: channel 2 killed!
<reboot>
Oct 7 23:14:37 schwinn-desktop kernel: [ 0.000000] Linux version
5.2.0-2-amd64 (<a href="mailto:debian-kernel@lists.debian.org">debian-kernel@lists.debian.org</a>) (gcc version 8.3.0 (Debian
8.3.0-21)) #1 SMP Debian 5.2.9-2 (2019-08-21)</pre>
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