linux-kernel - Re: [PATCH] Revert "[CPUFREQ][2/2] preregister support for powernow-k8"

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Message-ID: <20080819194325.GA641@redhat.com>
Date:	Tue, 19 Aug 2008 15:43:25 -0400
From:	Dave Jones <davej@...hat.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Langsdorf, Mark" <mark.langsdorf@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-testers@...r.kernel.org,
	Randy Dunlap <randy.dunlap@...cle.com>,
	"Arnold, Frank" <Frank.Arnold@....com>,
	Torsten Kaiser <just.for.lkml@...glemail.com>
Subject: Re: [PATCH] Revert "[CPUFREQ][2/2] preregister support for
	powernow-k8"

On Tue, Aug 19, 2008 at 09:37:54PM +0200, Rafael J. Wysocki wrote:
 > From: Rafael J. Wysocki <rjw@...k.pl>
 > 
 > Revert "[CPUFREQ][2/2] preregister support for powernow-k8"
 >     
 > Revert commit 34ae7f35a21694aa5cb8829dc5142c39d73d6ba0
 > ("[CPUFREQ][2/2] preregister support for powernow-k8") that causes
 > regressions tracked as:
 > http://bugzilla.kernel.org/show_bug.cgi?id=11296 ,
 > http://bugzilla.kernel.org/show_bug.cgi?id=11339 .
 > Namely, my test box with the Asus M3A32-MVP mainboard and the AMD
 > Phenom 9850 CPU crashes during hibernation, suspend to RAM and ACPI
 > power off, apparently due to a failing CPU hotplug notifier.  In
 > turn, on the Torsten Kaiser's test system only one CPU is correctly
 > handled by cpufreq.  These problems go away after reverting
 > 34ae7f35a21694aa5cb8829dc5142c39d73d6ba0, but unfortunately they are
 > quite difficult to debug.
 > 
 > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>

ACKed-by: Dave Jones <davej@...hat.com>

	Dave

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