https://bugs.freedesktop.org/show_bug.cgi?id=77946
Priority: medium
Bug ID: 77946
Assignee: [email protected]
Summary: watchdog_overflow_callback hard CPU lockup
QA Contact: [email protected]
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: NEW
Version: unspecified
Component: Driver/nouveau
Product: xorg
Created attachment 97999
--> https://bugs.freedesktop.org/attachment.cgi?id=97999&action=edit
dmesg log output
I recently upgrade an Ubuntu 12.04 server OS to Ubuntu 14.04 server, kernel
3.13. My machine began locking up during SSH sessions; sometime it'd unlock and
others I just had to hard reboot the computer. I was able to get a dmesg output
that mentioned nouveau_therm_fan_set quite a bit (forgive me if I'm reading the
dump incorrectly).
I wasn't having any trouble on 3.2 or 3.8 kernels, and I have done a clean
install of 14.04 server with the same problem.
Output from dmesg of the trace on a clean install is attached.
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