Re: [PATCH] x86-64: Disable local APIC timer use on AMD systems with C1E

From: Rafael J. Wysocki
Date: Tue Sep 25 2007 - 17:18:29 EST

On Tuesday, 25 September 2007 22:55, Thomas Gleixner wrote:
> On Tue, 2007-09-25 at 22:55 +0200, Rafael J. Wysocki wrote:
> > I have reworked the patch a bit so that it applies on top of 2.6.23-rc8-mm1
> > and compiles (my version is attached).
> >
> > With this patch applied, the kernel boots correctly on the nx6325.
> I know. It's basically enforced "noapictimer".
> But this still does not explain why your nasty box booted current
> mainline with "apicmaintimer" on the kernel command line.

Now it doesn't do that any more.

As I wrote in the other thread, I think that _sometimes_ the CPU doesn't enter
the C1E state (or how it's called) and then the box boots and works.

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