unstable system question

[jim ruxton]

On Thu, 2007-20-09 at 16:29 -0400, jim ruxton wrote:
> > On Thu, 2007-09-20 at 13:19 -0400, jim ruxton wrote:
> > > My system keeps slowing down and locking up. The only thing I've found
> > > is that I get the following system message when this happens. I'm
> > > assuming this is related but it may just be a coincidence or a result of
> > > the lockup.
> > > 
> > > Sep 20 04:05:35 localhost kernel: Clocksource tsc unstable (delta =
> > > 84348170175 ns)
> > > Sep 20 04:05:35 localhost kernel: Time: acpi_pm clocksource has been
> > > installed.
> > > 
> > > I tried adding notsc to my boot file ie.
> > > 
> > > kernel /vmlinuz-2.6.22.5-49.fc6 ro root=/dev/VolGroup00/LogVol00 rhgb
> > > quiet notsc
> > > 
> > > but tsc still is loaded at boot. Any one have any thoughts on this. As
> > > you can see above I'm on FC6 with 2.6.22 Kernel.

> > 
> > notsc is only valid on IA32 (Itanium) processors.  You might try
> > booting with "clocksource=acpi_pm" initially to see if that helps.
> Thanks Rick I will try this and see if it helps.

Adding clocksource=acpi_pm didn't help unfortunately. I'm trying pci=
noacpi next to see if that makes a difference. Any other suggestions? 
Thanks,
Jim