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SubjectRe: Regression in 2.6.27 caused by commit bfc0f59
On Mon, 1 Sep 2008, Larry Finger wrote:

> Thomas Gleixner wrote:
> >
> > > +Clocksource tsc unstable (delta = 500037272 ns)
> >
> > > -Clocksource tsc unstable (delta = 83950402 ns)
> >
> > In both cases the TSC is ahead of the pm_timer, which looks like the
> > pm_timer is behaving strange.
> >
> > Can you please disable the pm_timer (in the kernel config,
> > unfortunately there is no command line option for that) for a test and
> > provide the relevant output of demsg ?
>
> I manually deleted CONFIG_X86_PM_TIMER from .config, but it returns silently.
> The only way I see to turn off the pm_timer is to disable power management. Is
> that what I need to do?

The switch depends on CONFIG_EMBEDDED. Just turn that on in "General Setup"

[*] Configure standard kernel features (for small systems) --->

Then you get an extra switch in:

"Powermanagement Options"
ACPI (Advanced Configuration and Power Interface) Support --->
[*] Power Management Timer Support
Turn that one off.

Thanks,

tglx


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