lkml.org 
[lkml]   [2012]   [Sep]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: rcu: eqs related warnings in linux-next
From
2012/9/29 Sasha Levin <levinsasha928@gmail.com>:
> 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...


\
 
 \ /
  Last update: 2012-09-29 14:41    [W:0.042 / U:0.896 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site