Re: Turion64 clock and the APIC
2005/8/19, jefe boss <eral81es@gmail.com>:
> I have a compaq presario with and AMD64 processor and an ATI chipset
> and I had the same problem. I found the patches for the 2.6.10 kernel
> version in:
>
> http://www.ubuntuforums.org/showthread.php?t=47555
>
> I could fix the problem.
>
>
>
> 2005/8/18, Lennart Sorensen <lsorense@csclub.uwaterloo.ca>:
> > On Wed, Aug 17, 2005 at 11:06:06PM -0700, Alex Perry wrote:
> > > I've been using a Turion64 based laptop for a couple of weeks,
> > > installed with Sarge/Pure64 in a single boot configuration,
> > > and everything is as expected. Just like my Athlon64 laptops.
> > >
> > > There's just one irritating thing. Unless I specify NOAPIC,
> > > the system clock runs exactly twice as fast as wall clock.
> > > It maintains that ratio irrespective of the CPU frequency.
> > > It's true in both the Debian "kernel-image-2.6.8-11-amd64-k8"
> > > as well as the most recent 2.6.12.5 stable release (local build).
> > >
> > > Has anyone come across a patch to fix the problem neatly so I
> > > can turn my the APIC again? Just thought I'd ask on list ...
> > > Alex.
> > >
> > > PS:
> > > HP L2005: ML-34, ATI south & video, RTL8139, Broadcom, rest TI.
> >
> > As far as I have been able to follow on lkml, this is a known problem on
> > ATI chipsets. The cause has not yet been found it seems. it could be a
> > bug in the hardware, or the kernel using the hardware slightly wrong.
> >
> > You might want to go look for that thread on lkml archives.
> >
> > Len Sorensen
> >
> >
> > --
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> >
> >
>
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