From: Dave Jones <davej@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andrey Vagin <avagin@openvz.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: frequent softlockups with 3.10rc6.
Date: Wed, 26 Jun 2013 15:40:39 -0400 [thread overview]
Message-ID: <20130626194039.GA2833@redhat.com> (raw)
In-Reply-To: <20130626191853.GA29049@redhat.com>
On Wed, Jun 26, 2013 at 09:18:53PM +0200, Oleg Nesterov wrote:
> On 06/25, Dave Jones wrote:
> >
> > Took a lot longer to trigger this time. (13 hours of runtime).
>
> And _perhaps_ this means that 3.10-rc7 without 8aac6270 needs more
> time to hit the same bug ;)
>
> Dave, I am not going to "deny the problem". We should investigate it
> anyway. And yes, 8aac6270 is not as trivial as it looks.
>
> But so far it is absolutely unclear how it can trigger such a problem,
> and none of the traces _look_ as if it should be blamed.
>
> Probably I should try to reproduce too...
I've tried so many different kernels this last week that I've forgotten
just how long I left the build without 8aac6270 running, but I'm pretty
sure it included an overnight run last weekend. Given I have two identical
machines that can reproduce it, I'll leave one running for a few days
with that reverted just to see if it turns up.
(Though, I seem to be walking into other issues [like the perf overflow bug
I reported last night] before seeing the lockups reproduce, so I'll keep an eye on it).
Dave
next prev parent reply other threads:[~2013-06-26 19:40 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-19 16:45 frequent softlockups with 3.10rc6 Dave Jones
2013-06-19 17:53 ` Dave Jones
2013-06-19 18:13 ` Paul E. McKenney
2013-06-19 18:42 ` Dave Jones
2013-06-20 0:12 ` Dave Jones
2013-06-20 16:16 ` Paul E. McKenney
2013-06-20 16:27 ` Dave Jones
2013-06-21 15:11 ` Dave Jones
2013-06-21 19:59 ` Oleg Nesterov
2013-06-22 1:37 ` Dave Jones
2013-06-22 17:31 ` Oleg Nesterov
2013-06-22 21:59 ` Dave Jones
2013-06-23 5:00 ` Andrew Vagin
2013-06-23 14:36 ` Oleg Nesterov
2013-06-23 15:06 ` Dave Jones
2013-06-23 16:04 ` Oleg Nesterov
2013-06-24 0:21 ` Dave Jones
2013-06-24 2:00 ` Dave Jones
2013-06-24 14:39 ` Oleg Nesterov
2013-06-24 14:52 ` Steven Rostedt
2013-06-24 16:00 ` Dave Jones
2013-06-24 16:24 ` Steven Rostedt
2013-06-24 16:51 ` Dave Jones
2013-06-24 17:04 ` Steven Rostedt
2013-06-25 16:55 ` Dave Jones
2013-06-25 17:21 ` Steven Rostedt
2013-06-25 17:23 ` Steven Rostedt
2013-06-25 17:26 ` Dave Jones
2013-06-25 17:31 ` Steven Rostedt
2013-06-25 17:32 ` Steven Rostedt
2013-06-25 17:29 ` Steven Rostedt
2013-06-25 17:34 ` Dave Jones
2013-06-24 16:37 ` Oleg Nesterov
2013-06-24 16:49 ` Dave Jones
2013-06-24 15:57 ` Dave Jones
2013-06-24 17:35 ` Oleg Nesterov
2013-06-24 17:44 ` Dave Jones
2013-06-24 17:53 ` Steven Rostedt
2013-06-24 18:00 ` Dave Jones
2013-06-25 15:35 ` Dave Jones
2013-06-25 16:23 ` Steven Rostedt
2013-06-26 5:23 ` Dave Jones
2013-06-26 19:52 ` Steven Rostedt
2013-06-26 20:00 ` Dave Jones
2013-06-27 3:01 ` Steven Rostedt
2013-06-26 5:48 ` Dave Jones
2013-06-26 19:18 ` Oleg Nesterov
2013-06-26 19:40 ` Dave Jones [this message]
2013-06-27 0:22 ` Dave Jones
2013-06-27 1:06 ` Eric W. Biederman
2013-06-27 2:32 ` Tejun Heo
2013-06-27 7:55 ` Dave Chinner
2013-06-27 10:06 ` Dave Chinner
2013-06-27 12:52 ` Dave Chinner
2013-06-27 15:21 ` Dave Jones
2013-06-28 1:13 ` Dave Chinner
2013-06-28 3:58 ` Dave Chinner
2013-06-28 10:28 ` Jan Kara
2013-06-29 3:39 ` Dave Chinner
2013-07-01 12:00 ` Jan Kara
2013-07-02 6:29 ` Dave Chinner
2013-07-02 8:19 ` Jan Kara
2013-07-02 12:38 ` Dave Chinner
2013-07-02 14:05 ` Jan Kara
2013-07-02 16:13 ` Linus Torvalds
2013-07-02 16:57 ` Jan Kara
2013-07-02 17:38 ` Linus Torvalds
2013-07-03 3:07 ` Dave Chinner
2013-07-03 3:28 ` Linus Torvalds
2013-07-03 4:49 ` Dave Chinner
2013-07-04 7:19 ` Andrew Morton
2013-06-29 20:13 ` Dave Jones
2013-06-29 22:23 ` Linus Torvalds
2013-06-29 23:44 ` Dave Jones
2013-06-30 0:21 ` Steven Rostedt
2013-07-01 12:49 ` Pavel Machek
2013-06-30 0:17 ` Steven Rostedt
2013-06-30 2:05 ` Dave Chinner
2013-06-30 2:34 ` Dave Chinner
2013-06-27 14:30 ` Dave Jones
2013-06-28 1:18 ` Dave Chinner
2013-06-28 2:54 ` Linus Torvalds
2013-06-28 3:54 ` Dave Chinner
2013-06-28 5:59 ` Linus Torvalds
2013-06-28 7:21 ` Dave Chinner
2013-06-28 8:22 ` Linus Torvalds
2013-06-28 8:32 ` Al Viro
2013-06-28 8:22 ` Al Viro
2013-06-28 9:49 ` Jan Kara
2013-07-01 17:57 ` block layer softlockup Dave Jones
2013-07-02 2:07 ` Dave Chinner
2013-07-02 6:01 ` Dave Jones
2013-07-02 7:30 ` Dave Chinner
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