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DateSat, 10 May 2008 02:02:51 +0200 (CEST)
FromThomas Gleixner <>
SubjectRe: [PATCH] x86: enable hpet=force for AMD SB400
On Fri, 9 May 2008, Andrew Morton wrote:
> On Sat, 10 May 2008 01:42:30 +0200 (CEST)
> Thomas Gleixner <tglx@linutronix.de> wrote:
> 
> > On Fri, 9 May 2008, Andrew Morton wrote:
> > > On Fri, 9 May 2008 11:49:11 +0200
> > > Andreas Herrmann <andreas.herrmann3@amd.com> wrote:
> > > 
> > > > x86: enable hpet=force for ATI SB400
> > > 
> > > Sigh.
> > > 
> > > > Add quirk to allow forced usage of HPET on ATI SB400.
> > > > I stumbled over machines where HPET is enabled but not reported
> > > > by BIOS.
> > > 
> > > Is there no way in which we can probe for or identify this condition,
> > > rather than hoping that the user will find out about this boot option?
> > 
> > I'd love to have a sane solution for that, but looking at the rate of
> > HPET wreckage since we increased the usage of HPET I'm happy to have
> > this as an opt in thingy.
> > 
> 
> Well we don't have to auto-enable the hpet.  Simply adding a loud "you
> should try the hpet=force option" printk would help a lot of people.

Fair enough. I look into that.

Thanks,
	tglx

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