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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVE6] complete system freeze, PGRAPH engine fault on channel 2, SCHED_ERROR [ CTXSW_TIMEOUT ]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93629#c37">Comment # 37</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVE6] complete system freeze, PGRAPH engine fault on channel 2, SCHED_ERROR [ CTXSW_TIMEOUT ]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93629">bug 93629</a>
from <span class="vcard"><a class="email" href="mailto:dangelovich@maxpowerindustries.com" title="dangelovich@maxpowerindustries.com">dangelovich@maxpowerindustries.com</a>
</span></b>
<pre>Same issue, Ubuntu 17 with kernel 4.10.0.32.32
kernel.log shows:
Aug 24 11:05:15 dangelovich-ud kernel: [95310.061112] nouveau 0000:01:00.0:
fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Aug 24 11:05:15 dangelovich-ud kernel: [95310.061118] nouveau 0000:01:00.0:
fifo: gr engine fault on channel 10, recovering...
Then the machine hangs (frozen, but can still move the cursor) and I have to
power off. It's pretty regular at this point, so if more info is required let
me know what and how to get it.</pre>
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