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

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Date:	Tue, 7 Jul 2009 12:58:33 +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>
Subject: Re: [Bug #13306] hibernate slow on _second_ run

On Tuesday 07 July 2009, Johannes Berg wrote:
> On Tue, 2009-07-07 at 02:00 +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).
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=13306
> > Subject		: hibernate slow on _second_ run
> > Submitter	: Johannes Berg <johannes@...solutions.net>
> > Date		: 2009-05-14 09:34 (54 days old)
> 
> Still exists in 31-rc2.

Thanks for the update.

Last time I remember you managed to collect some ftrace output from the failing
case, but they didn't reveal anything directly.

We know, however, that is [suspend|resume]_device_irqs() in
driver/base/power/main.c are disabled, the issue doesn't show up.

Is that correct?

Rafael
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