Re: 2.6.21-rc[123] regression with NOAPIC

[Thomas Gleixner]

On Thu, 2007-03-22 at 14:42 +0100, Adrian Bunk wrote:
> > Starting with head as of yesterday and reverting two commits (that are
> > duplicates of each other -- the same commit came into Linus's tree via
> > two different paths) 'fixes' the problem for me. I'll let those with the
> > big brains decide just why.
> > 
> > The two commits are 5c95d3f5783ab184f64b7848f0a871352c35c3cf and
> > 3434933b17fa64adddf83059603c61296f6e1ee2 . The net reverse diff of those
> > two is below.
> >...
> 
> Thanks for tracking it down.
> 
> It's quite possible that these commits trigger your problem.
> 
> Does it work if you do _not_ revert the commits, and instead replace in
> drivers/acpi/processor_idle.c the
>   #ifdef ARCH_APICTIMER_STOPS_ON_C3
> with an
>   #if 0
> ?

Then NOAPIC probably works again, but booting w/o NOAPIC fails.

	tglx


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