Re: [PATCH] Revert "[CPUFREQ][2/2] preregister support forpowernow-k8"

From: Dave Jones
Date: Tue Aug 19 2008 - 15:44:36 EST


On Tue, Aug 19, 2008 at 09:37:54PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@xxxxxxx>
>
> 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@xxxxxxx>

ACKed-by: Dave Jones <davej@xxxxxxxxxx>

Dave

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