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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Random Freeze - nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98138">98138</a>
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<th>Summary</th>
<td>Random Freeze - nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
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<th>Product</th>
<td>xorg
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>Driver/nouveau
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<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
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<th>Reporter</th>
<td>stefan.kelemen@gmx.de
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
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<pre>Since im Using KDE Plasma, i have the Problem the system is Freezing randomly
over the when the Desktop is locked
kern.log when the problem begins
Oct 5 02:28:06 druuhl kernel: [73499.905933] nouveau 0000:01:00.0: fifo:
SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 5 02:28:06 druuhl kernel: [73499.905939] nouveau 0000:01:00.0: fifo: sw
engine fault on channel 5, recovering...
Oct 5 02:28:08 druuhl kernel: [73501.905656] nouveau 0000:01:00.0: fifo:
runlist 0 update timeout
Oct 5 02:28:10 druuhl kernel: [73504.200746] nouveau 0000:01:00.0: fifo:
SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 5 02:28:15 druuhl kernel: [73508.495393] nouveau 0000:01:00.0: fifo:
SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 5 02:28:19 druuhl kernel: [73512.790100] nouveau 0000:01:00.0: fifo:
SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 5 02:28:23 druuhl kernel: [73517.084810] nouveau 0000:01:00.0: fifo:
SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 5 02:28:27 druuhl kernel: [73521.379625] nouveau 0000:01:00.0: fifo:
SCHED_ERROR 0a [CTXSW_TIMEOUT]
when the Desktop is unlocked over night there is no freeze. Some Discussion
about this describe problems with Fullscreen Application like Libreoffice, this
would match with my research.
Im Using Neptune Linux - Debian with KDE Plasma and i have the Problem with
Kernel 4.4.13 to 4.4.20.
Linux druuhl 4.4.20 #8 SMP PREEMPT Thu Sep 8 10:25:38 CEST 2016 x86_64
GNU/Linux
kdeplasma 5.6 to 5.8
xserver-xorg-video-nouveau 1.0.12
xorg 7.7</pre>
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