lkml.org 
[lkml]   [2012]   [Jan]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: Kernel crash in icq_free_icq_rcu
From
2012/1/18 Tejun Heo <tj@kernel.org>:
> Hello,
>
> On Wed, Jan 18, 2012 at 09:01:00AM +0800, Shaohua Li wrote:
>> 2012/1/18 Vivek Goyal <vgoyal@redhat.com>:
>> >> Does the following patch make any difference?
>> >
>> > Nope. Still can reproduce the issue.
>>
>> I had similar issue too. Looks ioc_create_icq finds an icq (in ioc_lookup_icq)
>> the icq is in rcu free (it has __rcu_icq_cache set)
>
> Vivek is seeing the problem while switching elevators.  Are you too?
> Or is it during normal operation?
same here. I had some problems when I debug my ioscheduler, but
eventually found even switching cfq and noop can trigger oops.
--
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/

\
 
 \ /
  Last update: 2012-01-18 02:07    [W:0.954 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site