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From: "Michel Dänzer" <michel@daenzer.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: Random panic in load_balance() with 3.16-rc
Date: Fri, 18 Jul 2014 18:29:51 +0900	[thread overview]
Message-ID: <53C8E90F.1010306@daenzer.net> (raw)
In-Reply-To: <20140717075820.GE19379@twins.programming.kicks-ass.net>

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On 17.07.2014 16:58, Peter Zijlstra wrote:
> On Thu, Jul 17, 2014 at 04:31:04PM +0900, Michel Dänzer wrote:
>>
>> I've been running into the panic captured in the attached picture (hope
>> it's legible) randomly while running 3.16-rc4 and -rc5. I haven't
>> noticed any pattern as to when it happens; at least once it happened
>> while the box was basically sitting idle.
>>
>> dmesg, .config and /proc/cpuinfo attached as well; let me know if you
>> need anything else.
> 
> Does lkml.kernel.org/r/20140716145546.GA6922@wolff.to cure things?

Yes, adding back

               cpumask_clear(sched_group_cpus(sg));

seems to do the trick, thanks.

There's a long weekend coming up for me, but after that I'll be happy to
test any better fix you guys come up with.


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer


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  reply	other threads:[~2014-07-18  9:30 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <53C77BB8.6030804@daenzer.net>
2014-07-17  7:58 ` Random panic in load_balance() with 3.16-rc Peter Zijlstra
2014-07-18  9:29   ` Michel Dänzer [this message]
2014-07-22  6:13     ` Michel Dänzer
2014-07-23  3:53       ` Michel Dänzer
2014-07-23  4:21         ` Linus Torvalds
2014-07-23  6:49           ` Peter Zijlstra
2014-07-23  8:05             ` Michel Dänzer
2014-07-23  8:28               ` Peter Zijlstra
2014-07-23  9:25                 ` Peter Zijlstra
2014-07-23  9:31                   ` Michel Dänzer
2014-07-23  9:45                     ` Dietmar Eggemann
2014-07-23 11:11                       ` Peter Zijlstra
2014-07-23 11:30                         ` Peter Zijlstra
2014-07-23 14:24                           ` Peter Zijlstra
2014-07-23 14:38                             ` Michel Dänzer
2014-07-23 15:51                             ` Linus Torvalds
     [not found]                               ` <20140723155526.GW3935@laptop>
2014-07-23 16:54                                 ` Linus Torvalds
2014-07-23 17:03                                   ` Peter Zijlstra
2014-07-23 17:12                                     ` Linus Torvalds
2014-07-23 17:26                                       ` Linus Torvalds
2014-07-23 18:25                                         ` Peter Zijlstra
2014-07-23 18:35                                           ` Linus Torvalds
2014-07-23 18:41                                             ` Peter Zijlstra
2014-07-23 18:55                                               ` Linus Torvalds
2014-07-23 19:02                                                 ` Peter Zijlstra
2014-07-23 19:20                                                   ` Linus Torvalds
2014-07-24  1:43                                                     ` Michel Dänzer
2014-07-24 18:47                                                       ` Linus Torvalds
2014-07-24 18:59                                                         ` Peter Zijlstra
2014-07-25  1:25                                                         ` Michel Dänzer
2014-07-25  2:33                                                           ` Linus Torvalds
2014-07-25  2:50                                                             ` Nick Krause
2014-07-25  2:36                                                           ` Nick Krause
2014-07-25  3:55                                                           ` Alexei Starovoitov
2014-07-25  4:00                                                             ` Nick Krause
2014-07-25 14:02                                                             ` Steven Rostedt
2014-07-25 18:29                                                               ` Linus Torvalds
2014-07-25 19:10                                                                 ` Steven Rostedt
2014-07-25 20:01                                                                 ` Linus Torvalds
2014-07-25 20:13                                                                   ` Steven Rostedt
2014-07-25 21:25                                                                   ` Jakub Jelinek
2014-07-26 18:28                                                                 ` Linus Torvalds
2014-07-26 18:39                                                                   ` Linus Torvalds
2014-07-26 19:35                                                                     ` Markus Trippelsdorf
2014-07-26 19:55                                                                       ` Theodore Ts'o
2014-07-26 20:20                                                                         ` Markus Trippelsdorf
2014-07-26 22:08                                                                           ` Jakub Jelinek
2014-07-26 19:56                                                                       ` Linus Torvalds
2014-07-26 20:03                                                                         ` Linus Torvalds
2014-07-26 20:19                                                                         ` Markus Trippelsdorf
2014-07-26 20:39                                                                           ` Linus Torvalds
2014-07-28 12:26                                                                             ` Frank Ch. Eigler
2014-07-28 13:10                                                                               ` Theodore Ts'o
2014-07-28 14:11                                                                                 ` Frank Ch. Eigler
2014-07-28 16:45                                                                               ` Linus Torvalds
2014-07-28 17:27                                                                                 ` Alexei Starovoitov
2014-07-28 18:09                                                                                   ` Markus Trippelsdorf
2014-07-28 18:28                                                                                     ` Linus Torvalds
2014-07-28 18:41                                                                                       ` Markus Trippelsdorf
2014-07-29  8:58                                                                                     ` Jakub Jelinek
2014-07-28 19:50                                                                                   ` Theodore Ts'o
2014-07-28  3:47                                                                         ` Michel Dänzer
2014-07-28 16:48                                                                           ` Linus Torvalds
2014-07-29  2:29                                                                             ` Michel Dänzer
2014-08-05  3:19                                                                 ` Steven Rostedt
2014-07-26 18:02                                                           ` Steven Chamberlain
2014-07-29  9:20                                                             ` Michel Dänzer
2014-07-25  6:48                                                         ` Jakub Jelinek
2014-07-25  8:15                                                           ` Linus Torvalds
2014-07-25  9:03                                                             ` Michel Dänzer
2014-07-25  9:21                                                               ` Markus Trippelsdorf
2014-07-25  9:42                                                                 ` Markus Trippelsdorf
2014-07-23 18:07                                       ` Linus Torvalds
2014-07-23 18:31                                         ` Peter Zijlstra
2014-07-23 18:24                                       ` Peter Zijlstra
2014-07-23 17:04                                   ` Peter Zijlstra
2014-07-23 17:15                                     ` Linus Torvalds
2014-07-23 18:25                                       ` Peter Zijlstra
2014-07-23 18:23                                   ` Peter Zijlstra
2014-07-23 10:52                     ` Peter Zijlstra
2014-07-24  7:18                     ` Michel Dänzer
2014-07-24  7:51                       ` Peter Zijlstra
2014-07-24  9:55                         ` Peter Zijlstra

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