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From: Len Brown <len.brown@intel.com>
To: Andi Kleen <ak@suse.de>
Cc: Mikael Pettersson <mikpe@csd.uu.se>,
	discuss@x86-64.org, linux-kernel@vger.kernel.org,
	peter@cordes.ca
Subject: Re: x86-64: double timer interrupts in recent 2.4.x
Date: 17 Jun 2004 10:26:44 -0400	[thread overview]
Message-ID: <1087482393.4487.56.camel@dhcppc4> (raw)
In-Reply-To: <20040617122645.5d1b5ec1.ak@suse.de>

On Thu, 2004-06-17 at 06:26, Andi Kleen wrote:
> On Thu, 17 Jun 2004 10:54:00 +0200 (MEST)
> Mikael Pettersson <mikpe@csd.uu.se> 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



  parent reply	other threads:[~2004-06-17 14:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-17  8:54 x86-64: double timer interrupts in recent 2.4.x Mikael Pettersson
2004-06-17 10:26 ` Andi Kleen
2004-06-17 10:49   ` Mikael Pettersson
2004-06-17 14:26   ` Len Brown [this message]
2004-06-18  7:41   ` Peter Cordes
  -- strict thread matches above, loose matches on Subject: below --
2004-06-19 12:39 Mikael Pettersson
2004-06-19 13:55 ` Len Brown
2004-06-16 19:28 Peter Cordes
2004-06-16 19:42 ` Andi Kleen

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