This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1386518
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1386518
Title:
utopic: Watchdog detected hard LOCKUP on cpu
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
After upgrading to Utopic, I have experienced two "crashes" (a few
hours apart). I am unable to identify the trigger. Searching for
similar bugs either apply to earlier releases of [K]Ubuntu or pertain
to hardware that I do not have. I say my system "crashes" as I never
wait long enough for the system to actually crash. I have had to
reset the system both times in order to generate a response. In both
instances, the mouse was still moving the cursor but no action by the
mouse buttons or keyboard typing generated a response. Also, the
machine would not respond to soft reset. A hard reset (prolonged
depressing of the power button) was necessary to regain control.
I have never experienced this issue before (on any hardware type) so I
have limited information to offer (as I don't know where to look). I
have attached the relevant syslog entries for the last crash. It is
here that I determined the CPU lockups. First CPU 4 had a hard
lockup, proceeded by a soft lockup on CPU 1.
Please let me know what else to gather when this occurs again.
- jss
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