Re: rcu: eqs related warnings in linux-next

[Frederic Weisbecker]

2012/9/29 Sasha Levin <levinsasha928@xxxxxxxxx>:
> Maybe I could help here a bit.
>
> lappy linux # addr2line -i -e vmlinux ffffffff8111d45f
> /usr/src/linux/kernel/timer.c:549
> /usr/src/linux/include/linux/jump_label.h:101
> /usr/src/linux/include/trace/events/timer.h:44
> /usr/src/linux/kernel/timer.c:601
> /usr/src/linux/kernel/timer.c:734
> /usr/src/linux/kernel/timer.c:886
>
> Which means that it was about to:
>
>         debug_object_activate(timer, &timer_debug_descr);

I can't find anything in the debug object code that might fault.
I was suspecting some per cpu allocated memory: per cpu allocation
sometimes use vmalloc
which uses lazy paging using faults. But I can't find such thing there.

May be there is some faulting specific to KVM...
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/