On Thu, Jul 11, 2013 at 11:38:37AM +0200, Rolf Eike Beer wrote:
> Hi,
>
> I'm running 3.10.0 (from openSUSE packages) on an "Intel(R) Core(TM) i7-2600
> CPU @ 3.40GHz". I got a hard lockup on one of my CPUs twice, once with
> backtrace (see attached image). Graphics is the builtin Intel, used with X
> 7.6
> and KDE 4.10beta2 (basically current openSUSE 12.3+KDE).
>
> I'm not aware that I had done anything special, just "normal" desktop and
> development usage, but no heavy compile work at the moment the lockups
> happened.
Hmm, I can see commit_creds() doing some rcu pointers assignment and rcu
calling into the scheduler which screams about a cpu runqueue of the
task we're about to reschedule not being locked. Let's add some more
people who should know better.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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