linux-kernel - Re: T400 suspend/resume regression -- bisected to a mystery merge commit

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Message-Id: <200909271813.42829.rjw@sisk.pl>
Date:	Sun, 27 Sep 2009 18:13:42 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	tglx@...utronix.de, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org,
	Ondrej Zary <linux@...nbow-software.org>,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: T400 suspend/resume regression -- bisected to a mystery merge commit

On Saturday 26 September 2009, Theodore Ts'o wrote:
> Hi,
> 
> One of the things I've been trying to track for the last couple of days
> is a suspend/resume regression which I've noticed on my T400 Lenovo
> laptop.  I first noticed it on a 2.6.31-git9 kernel with a some
> additional ext4 patches.  I've since bisected it to the following merge
> commit: a03fdb76.  The commit does have some merge conflict fix ups, but
> only for the some files in the m68knommu and mips architectures.
> Furthermore, both parent commits (202c467 and 12e0933) work fine.  I've
> tried looking at the global history, and I'm not seeing anything
> obvious.

This commit has been reported to break hibernation for Ondrej:

commit c7121843685de2bf7f3afd3ae1d6a146010bf1fc
Author: Magnus Damm <magnus.damm@...il.com>
Date:   Tue Jul 28 14:09:55 2009 -0700

    clocksource: Save mult_orig in clocksource_disable()

Please try to revert it and retest.

Best,
Rafael
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