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From: Steven Rostedt <srostedt@redhat.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Dmitry Adamushko <dmitry.adamushko@gmail.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [Regression] 2.6.24-git3: Major annoyance during suspend/hibernation on x86-64 (bisected)
Date: Sun, 27 Jan 2008 20:40:23 -0500	[thread overview]
Message-ID: <479D3287.1050604@redhat.com> (raw)
In-Reply-To: <200801280226.22013.rjw@sisk.pl>

Rafael J. Wysocki wrote:

> No, this isn't the WARN_ON().
> 
>> this does have the feel of being scheduling related, but are you 
>> absolutely sure about the precise identity of the patch?
> 
> Actually, not quite.  That's why I have verified it and found that another
> patch is really responsible for the issue, namely:
> 
> commit 82a1fcb90287052aabfa235e7ffc693ea003fe69
> Author: Ingo Molnar <mingo@elte.hu>
> Date:   Fri Jan 25 21:08:02 2008 +0100
> 
>     softlockup: automatically detect hung TASK_UNINTERRUPTIBLE tasks

Are you getting a bunch of prints from the softlockup detector in dmesg?
I wonder if the detector can detect a long timeout caused by suspend and 
resume and if not is triggering false positives?

-- Steve

> 
> Reverting this commit (it reverts with some minor modifications) fixes the
> problem for me.
> 

  reply	other threads:[~2008-01-28  1:41 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-27 21:29 [Regression] 2.6.24-git3: Major annoyance during suspend/hibernation on x86-64 (bisected) Rafael J. Wysocki
2008-01-27 21:59 ` Ingo Molnar
2008-01-28  1:26   ` Rafael J. Wysocki
2008-01-28  1:40     ` Steven Rostedt [this message]
2008-01-28 11:31       ` Rafael J. Wysocki
2008-01-28 16:31         ` Rafael J. Wysocki
2008-01-28 16:46           ` Steven Rostedt
2008-01-29  0:08           ` Rafael J. Wysocki
2008-01-28  8:56     ` Dmitry Adamushko
2008-01-28 11:32       ` Rafael J. Wysocki
2008-01-28 16:08       ` Rafael J. Wysocki
2008-01-31 15:58     ` Peter Zijlstra
2008-01-31 20:54       ` Rafael J. Wysocki
2008-02-01 12:04         ` Peter Zijlstra
2008-02-01 12:47           ` Ingo Molnar
2008-02-01 14:42             ` Rafael J. Wysocki
2008-02-01 23:19               ` Rafael J. Wysocki
2008-02-01 23:24                 ` Ingo Molnar
2008-02-01 15:11           ` Dmitry Adamushko
2008-02-01 17:10             ` Ingo Molnar
2008-02-01 21:54               ` Dmitry Adamushko
2008-02-01 22:44                 ` Dmitry Adamushko
2008-02-01 22:48                   ` Ingo Molnar
2008-02-01 23:22                     ` Dmitry Adamushko
2008-02-01 23:25                       ` Ingo Molnar
2008-02-02  0:03                         ` Dmitry Adamushko
2008-02-01 23:26                       ` Rafael J. Wysocki

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