lkml.org 
[lkml]   [2014]   [Nov]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v4] sched/numa: fix unsafe get_task_struct() in task_numa_assign()
On 11/10/2014 11:03 AM, Peter Zijlstra wrote:
> On Fri, Nov 07, 2014 at 10:48:27PM -0500, Sasha Levin wrote:
>> > [ 829.539183] BUG: spinlock recursion on CPU#10, trinity-c594/11067
>> > [ 829.539203] lock: 0xffff880631dd6b80, .magic: dead4ead, .owner: trinity-c594/11067, .owner_cpu: 13
> Ooh, look at that. CPU#10 vs .owner_cpu: 13 on the _same_ task.
>
> One of those again :/

This actually reproduces pretty easily. The stack trace seems to be different
but the end result is the same as above. Anything we can do to debug it? I'm
really not sure how just the owner_cpu can be different here.


Thanks,
Sasha


\
 
 \ /
  Last update: 2014-11-15 04:21    [W:0.647 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site