linux-kernel - Re: [Bug #12337] ~100 extra wakeups reported by powertop

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Date:	Sun, 15 Feb 2009 15:20:51 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	luis6674@...oo.com
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [Bug #12337] ~100 extra wakeups reported by powertop

On Sunday 15 February 2009, Alberto Gonzalez wrote:
> --- On Sat, 2/14/09, Rafael J. Wysocki <rjw@...k.pl> wrote:
> 
> > The following bug entry is on the current list of known
> > regressions
> > introduced between 2.6.27 and 2.6.28.  Please verify if it
> > still should
> > be listed and let me know (either way).
> > 
> > 
> > Bug-Entry	:
> > http://bugzilla.kernel.org/show_bug.cgi?id=12337
> > Subject		: ~100 extra wakeups reported by powertop
> > Submitter	: Alberto Gonzalez <luis6674@...oo.com>
> > Date		: 2008-12-31 12:25 (46 days old)
> 
> Yes, still present in latest stable 2.6.28.5
> 
> I updated the report to say that this happened on my 5 year old Pentium 4, but now I got a new Dell desktop (Intel G45 based) and the exact same problem happens, so I can't be the only one seeing it. In the bugzilla Eric Anholt said that it could be related to vblank and that jbarnes had look into a similar issue before, so maybe he has some clue.

Thanks a lot for the update.

Rafael
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