ok its fixed its a bug with ati / nvidia chipsets making the clock 2x+ fast 
disable_timer_pin_1 fixes the clock ^^ 

On Wednesday 14 December 2005 09:04 pm, Richard Fish wrote:
> On 12/14/05, Noah J Norris <[EMAIL PROTECTED]> wrote:
> > On Thursday 15 December 2005 02:03 am, Richard Fish wrote:
> > > I think if you were getting messages about lost ticks or got extra
> > > ticks or something like that, these might be helpful, or if your
> > > system seemed either to slow or too unresponsive.  Of course, if your
> > > clock is defaulting to TSC (which would be bad, BTW), then I guess
> > > these could have a big impact.
> >
> > i have gotton lost tick messages
> > and apic errors mostly
>
> Hmm, didn't you mention that somewhere already....oh yeah, your
> orignal message!  (bangs head on desk).
>
> Plus, you also said noapic fixes the problem, so forget everything I
> said, and try these options.
>
> > > Take a look at dmesg or /var/log/messages for the following lines:
> > >
> > > Using TSC for gettimeofday
> > > Using HPET for gettimeofday
> > > Using .* for high-res timesource
> >
> > Using pmtmr for high-res timesource
>
> Looks good...pmtmr is what I get on my pentium-m laptop, and is the
> default, and should be fairly reliable...
>
> Did you try any other clock= options? Any better results?
>
> > should an amd64 use HPET ? i do not have this enabled in kernel config 
> > (note running in 32 bit mode )
>
> Not sure about this one...just got my first AMD64 system this past
> weekend, and I am still trying to get things setup...maybe someone
> else can answer.
>
> One other boot option that might help: no_timer_check
>
> It is a x86_64 specific option (see
> /usr/src/linux/Documentation/x86_64/boot-options.txt).  I don't think
> this has anything to do with 32/64 bit code though...so maybe you have
> this already (does your kernel build as x86_64/arch/boot/bzImage?)
>
> > other thing i noticed in dmesg do i need to enable smp support in the
> > kernel ? this is a single processor system that i know of . does amd do
> > any type of hyperthreading ?
>
> Nope, no hyperthreading in AMD.  And I think AMD is expected to
> release their first dual-core mobile chips sometime next year.
> Unfortunately Intel is going to beat them to market and my wallet.
>
> -Richard

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