Control: reopen -1
Control: retitle -1 Kernel soft-lockup when running doxygen
On Fri, Apr 05, 2013 at 03:16:06PM -0400, Olivier Diotte wrote:
> Hi Ben,
>
> I am pretty sure that running doxygen (high load) is related to this
> lockup, but based on your comment, maybe I am wrong.
So you're actually reporting the soft-lockup, not the response to it.
[...]
> root@Debianosaur:~# sysctl -a | grep lockup
> kernel.softlockup_panic = 0
> kernel.softlockup_thresh = 60
>
> I don't remember ever changing this parameter, so I assume
> softlockup_panic was never enabled.
Indeed, this is not enabled by default as an uninterruptible sleep
for 120 seconds is sometimes OK.
[...]
> > Here is an example of what appears in kern.log when the system crashes:
[...]
The thing is, the kernel doesn't write to kern.log; the syslog daemon
does. If you get a soft-lockup message in kern.log then it proves
the system was still somewhat responsive.
Please send the contents of /proc/meminfo.
Also, what filesystem and storage device were you using for the
doxygen source and output files?
Ben.
--
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
- Albert Camus
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