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

[Mikael Pettersson]

Andi Kleen writes:
 > 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?

I'm away from my K8 at the moment, but I can check this on Saturday.

/Mikael
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