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    SubjectRe: 2.6.2 - System clock runs too fast
    Date
    Hello John

    After a recompiling kernel my system clock runs now again too slow. Your patch
    helps with a fast running clock but not with a slow clock. Do you have an
    idea what to do now?!?

    best wishes
    Markus

    Am Mittwoch, 11. Februar 2004 19:36 schrieb john stultz:
    > On Wed, 2004-02-11 at 01:07, Markus Hofmann wrote:
    > > Thank you for answering.
    > > In the meantime I heard that apm could cause this problem. I tested this
    > > by compiling acpi. The result was that the clock runs normal with acpi.
    > > But I want to use apm. So I removed the acpi and now the system clock is
    > > too slow with only apm.
    > >
    > > I think this is a very curious thing! :-(
    >
    > Indeed, normally its ACPI that causes more problems. That's a new one.
    >
    > I'd be curious how this drift changes using the attached patch.
    >
    > thanks
    > -john
    >
    > ===== arch/i386/kernel/timers/timer_tsc.c 1.35 vs edited =====
    > --- 1.35/arch/i386/kernel/timers/timer_tsc.c Wed Jan 7 00:31:11 2004
    > +++ edited/arch/i386/kernel/timers/timer_tsc.c Tue Jan 20 13:22:54 2004
    > @@ -226,7 +226,7 @@
    > delta += delay_at_last_interrupt;
    > lost = delta/(1000000/HZ);
    > delay = delta%(1000000/HZ);
    > - if (lost >= 2) {
    > + if (0 && (lost >= 2)) {
    > jiffies_64 += lost-1;
    >
    > /* sanity check to ensure we're not always losing ticks */
    -
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