linux-kernel - Re: [Bug 13306] hibernate slow on _second

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Message-Id: <200907272309.49762.rjw@sisk.pl>
Date:	Mon, 27 Jul 2009 23:09:49 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	bugzilla-daemon@...zilla.kernel.org
Subject: Re: [Bug 13306] hibernate slow on _second_ run

On Monday 27 July 2009, Johannes Berg wrote:
> On Sun, 2009-07-26 at 22:45 +0200, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of regressions introduced between 2.6.29 and 2.6.30.
> > 
> > The following bug entry is on the current list of known regressions
> > introduced between 2.6.29 and 2.6.30.  Please verify if it still should
> > be listed and let me know (either way).
> 
> The problem persists in 31-rc3.

Thanks for the update.

Unfortunately, I have no idea about what's wrong here.

Generally, there are three possible areas the problem may be related to:
(1) interrupts,
(2) CPU hotplug,
(3) ordering of the platform callbacks,

but I can't say much more than that.
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