Re: x86-64: double timer interrupts in recent 2.4.x

[Len Brown]

On Thu, 2004-06-17 at 06:26, Andi Kleen wrote:
> On Thu, 17 Jun 2004 10:54:00 +0200 (MEST)
> Mikael Pettersson <mikpe@xxxxxxxxx> wrote:
> 
> > On Wed, 16 Jun 2004 16:28:26 -0300, Peter Cordes wrote:
> > > I just noticed that on my Opteron cluster, the nodes that are running 64bit
> > >kernels have their clocks ticking at double speed.  This happens with
> > >Linux 2.4.26, and 2.4.27-pre2
> > 
> > I had the same problem: 2.4 x86-64 kernels ticking the clock
> > twice its normal speed, unless I booted with pci=noacpi.
> > 
> > This got fixed very recently I believe, in a 2.4.27-pre kernel.
> 
> In which one exactly? Most likely it was an ACPI problem/fix.
> Len, do you remember fixing such an issue?

No, I don't remember this symptom.

-Len


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