On Mon, 2007-03-26 at 07:25 -0500, Bob Tracy wrote:
> Thomas Gleixner wrote:
> > This fix from John Stultz is still missing:
> >
> > http://lkml.org/lkml/2007/3/22/287
> >
> > It's in Andrews queue already and waits to be sent to you.
>
> In summary, that fix is a workaround to allow the acpi_pm clocksource
> to be selected instead of the pit clocksource, thereby allowing my
> Dell laptop with the PIIX4 bug to boot. Other apic, clocksource, etc.
> patches that were included in -rc5 fixed the problem that caused the
> boot process to hang when the pit clocksource was selected, as I
> suspected would be the case :-).
Ah. Ok
> Per John's message in the above URL, while the fix is no longer needed
> for allowing the laptop to boot, it's probably still "a good thing" to
> allow a better clocksource to be selected.
Yes. The read three times pmtimer is faster and more reliable than the
PIT.
tglx
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