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    SubjectRe: System clock speed too high - 2.6.3 kernel
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    On Friday 26 March 2004 04:57 pm, john stultz held forth thus:
    > On Fri, 2004-03-26 at 15:00, Praedor Atrebates wrote:
    > > On Friday 26 March 2004 04:22 pm, john stultz held forth thus:
    > > > On Fri, 2004-03-26 at 11:30, Praedor Atrebates wrote:
    > > > > In doing a web search on system clock speeds being too high, I found
    > > > > entries describing exactly what I am experiencing in the linux-kernel
    > > > > list archives, but have not yet found a resolution.
    > > > >
    > > > > I have Mandrake 10.0, kernel-2.6.3-7mdk installed, on an IBM Thinkpad
    > > > > 1412 laptop, celeron 366, 512MB RAM. I am finding that my system
    > > > > clock is ticking away at a rate of about 3:1 vs reality, ie, I count
    > > > > ~3 seconds
    > > > Does booting w/ "clock=pit" help?
    > I noticed in the dmesg you sent me that you're using the ACPI PM time
    > source. There has just recently been a bug opened for a very similar
    > issue (see ).
    > First of all, scratch trying "clock=pit" and test booting w/
    > "clock=tsc". If that resolves the issue, disable ACPI PM timesource
    > support (under the ACPI menu) in your kerel and that should fix you for
    > the short term.

    Hmpf. I'll try the clock=tsc switch next. I did boot using the clock=pit
    switch and the clock was normal...but I had also changed the append statement
    acpi=on to acpi=off as well. I'll set it back to "on" and try "clock=tsc" in

    My bios is very limited. This is a rather old laptop and there is just not a
    lot I can do. I'll check it one more time as I reboot.

    Thanks for the help.


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