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<th>Bug ID</th>
<td><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">100567</a>
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<th>Summary</th>
<td>Nouveau system freeze 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
</td>
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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
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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>jeremy.booker@gmail.com
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
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<pre>Created <span class=""><a href="attachment.cgi?id=130676" name="attach_130676" title="journalctl output for last boot to crash">attachment 130676</a> <a href="attachment.cgi?id=130676&action=edit" title="journalctl output for last boot to crash">[details]</a></span>
journalctl output for last boot to crash
I'm experiencing a random, but consistent hard-free (cannot switch virtual
terminals) running an nVidia card with three monitors under Fedora 25. Recent
kernel and driver updates have seemed to make this freeze much more frequent
(5-6 times in two work days).
Journalctl -b -1 output is attached. Most relevant lines are:
kernel: nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
kernel: nouveau 0000:01:00.0: fifo: gr engine fault on channel 12,
recovering...
kernel: [drm:drm_atomic_helper_swap_state [drm_kms_helper]] *ERROR*
[CRTC:37:head-0] hw_done timed out
kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR*
[CRTC:37:head-0] hw_done timed out
kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR*
[CRTC:37:head-0] flip_done timed out
A possibly related bug is #96562, but it is old and hasn't received any
attention, so I'm opening a new one.</pre>
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