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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 http://bugme.osdl.org/show_bug.cgi?id=2375 ).
>
> 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
combination.

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.

praedor

- --
"George W. Bush is a deserter, an election thief, a drunk driver, a WMD
liar and a functional illiterate. And he poops his pants."
- --Barbara Bush, his mother
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