lkml.org 
[lkml]   [2011]   [Apr]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
FromLinus Torvalds <>
DateThu, 21 Apr 2011 07:38:57 -0700
SubjectRe: 2.6.39-rc4 BUG: unable to handle kernel NULL pointer dereference at 0000000c IP: cfq_insert_request+0x1d/0x3f5
On Thu, Apr 21, 2011 at 12:25 AM, Jens Axboe <axboe@kernel.dk> wrote:
>>
>> I am going to bisect, let's see if I can find anything.
>
> Thanks, that would be great!

I'd expect it to be very timing-dependent, and thus could easily be
triggered (or hidden) by unrelated changes.

Just happening to have a request added to the elevator at _just_ the
same moment that another CPU is changing it and getting rid of the
data structures for the old one.

Linus


\
 
 \ /
  Last update: 2011-04-21 16:41    [from the cache]
©2003-2010