Re: AMD 64 system clock speed

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On Sat, Nov 19, 2005 at 01:12:26PM -0800, Chris Largret wrote:
> On Fri, 2005-11-18 at 20:01 -0500, [email protected] wrote:
> > Hi there,
> > 
> > My earlier question regarding the glibc "make check" nptl/tst-clock2.c
> > failure turns out to be due to my system clock running 3x normal speed.
> > 
> > Evidently, this is a known issue with 2.6.x kernels running on AMD 64
> > processors.  The "noapic" boot option fixes the clock problem, but disrupts
> > other things... ethernet does work, etc.  The solution seems to be using
> > "apci=noirq noapic" as boot options.
> > 
> > I am using the 2.6.14.2 kernel, and still need to use those boot parameters.
> > What is the current state of this bug?
> 
> Interestingly, I found out last night that the 2.4.26 kernel can
> recognize both processors in my X2. Unfortunately, it had the same time
> synchronization issues as the newer 2.6.12+ kernels that I have been
> running. It isn't solely related to the new kernel series.

You could also be seeing the same problem outlined in.
	http://marc.theaimsgroup.com/?t=113097284500003&r=2&w=2

Try booting with: acpi_skip_timer_override instead of the other command
line parameters.

Yours Tony

   linux.conf.au       http://linux.conf.au/ || http://lca2006.linux.org.au/
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