Messages in this thread | | | Date | Tue, 15 Oct 2013 00:43:36 +0200 | From | Frederic Weisbecker <> | Subject | Re: [BUG 3.12.rc4] Oops: unable to handle kernel paging request during shutdown |
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On Tue, Oct 15, 2013 at 12:31:34AM +0200, Knut Petersen wrote: > On 14.10.2013 23:51, Frederic Weisbecker wrote: > >Also knut, do you have a serial line? > Yes, if really necesarry .... I´d prefer network
Hmm, you can try but it might not be working correcty after the fault.
> > > > >If so may be looking at the timer events may help. Could you try to enable the following > >timer events? > > > > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_cancel > > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_expire_entry > > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_expire_exit > > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_init > > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_start > > > >And also enable ftrace_dump_on_oops: > > > > sysctl kernel.ftrace_dump_on_oops=1 > I assume you forgot .../enable several times ?!
Oops, sorry yep.
> > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_cancel/enable > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_expire_entry/enable > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_expire_exit/enable > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_init/enable > echo 1 > /sys/kernel/debug/tracing/events/timer/timer_start/enable > sysctl kernel.ftrace_dump_on_oops=1 > > I added that to /etc/init.d/boot.local
Thanks! Now lets cross the fingers :)
> > > > > >We may have some interesting clues about who manipulated the timer list last before > >the oops happened. > > > >Thanks! > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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