Re: athlon x2 + 2.6.14 + SMP = fast clock

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On Tue, 2005-11-08 at 20:02 -0500, Christopher Mulcahy wrote:
> On Tue, 2005-11-08 at 13:38 -0800, john stultz wrote:
> > On Tue, 2005-11-08 at 15:40 -0500, Christopher Mulcahy wrote:
> > > I am running 2.6.14 SMP on an dual-core athlon x2 3800.
> > > The system clock runs at roughly twice normal speed.
> > 
> > Is this a new regression or did the problem occur with 2.6.13 or older
> > kernels?
> This is a new-machine.
> The only other kernel it has seen is the distro-install-kernel ( 2.6.12
> uni-processor (ubuntu-5.10) )  ( this kernel does not have a problem,
> but it is not SMP )
> 
> I will try to find time to build 2.4.13 and 2.4.12 SMP kernels with the
> ~same config to see if they have the same problem. ( I presume I could
> then attach these findings to the original bugzilla report? )

There are a few similar sounding bugs out there:
If its an ATI chipset, check out 
http://bugzilla.kernel.org/show_bug.cgi?id=3927

If its an nvidia chipset, check out
http://bugzilla.kernel.org/show_bug.cgi?id=3341


> > Would you mind opening a kernel bug and attaching your dmesg and config?
> > 
> > http://bugzilla.kernel.org
> > 
> will do.

Please tag me as the owner when you do.

> > 
> > Also try booting w/ "idle=poll" to see if that doesn't clear up the
> > issue.
> > 
> Tried that without results.

Bummer. Your box may not boot, but trying noapic might help as well.

thanks
-john

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