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    SubjectRe: IO-APIC on nforce2 [PATCH] + [PATCH] for nmi_debug=1 + [PATCH] for idle=C1halt, 2.6.5
    On Thu, 2004-04-22 at 13:21, Len Brown wrote:

    > > As for your patch, I get a fast timer, and gain about 1 sec per 5 minutes.
    > > The only patch that seemed to work without a fast timer so far was the one
    > > removed by Linus in a testing version. The AN35N has the timer override
    > > bug.
    > Hmm, I didn't notice fast time on my FN41, i'll look for it.
    > I'm not familiar with the "one removed by Linux in a testing version",
    > perhaps you could point me to that?

    date seems to gain 9sec/hour on my Shuttle/SN41G2/FN41 when using IOAPIC

    booted with "noapic" for XT-PIC timer, it stays locked
    onto my wristwatch after an hour. If the workaround is disabled,
    and XT-PIC timer is used, it matches the "noapic" behaviour -- no drift.

    I can't explain it. I think it is a timer problem independent of the
    IRQ routing.


    ps. when i ran in XT-PIC mode there were lots of ERR's registered in
    /proc/interrupts -- doesn't look healthy.

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