Messages in this thread | | | Date | Tue, 6 Apr 2004 23:46:16 +0200 | From | Dominik Brodowski <> | Subject | Re: System clock speed too high - 2.6.3 kernel |
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On Tue, Mar 30, 2004 at 07:25:39AM -0800, john stultz wrote: > 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 > > [...] > > > Could you please send me dmesg output for this system? > > > > > Attached is the output of dmesg. > > You mentioned that your system is an older laptop, and you're setting > "acpi=on" in your boot arguments. What happens when you omit "acpi=on"? > Do you get a message saying something to the effect of your system being > too old for ACPI? Does everything still work as it ought?
Hm, could you please verify that ACPI throttling and cpufreq is _disabled_ when you do this check? For throttling, please do
echo 1 > /proc/acpi/processor/./throttling echo 0 > /proc/acpi/processor/./throttling
[just echo'ing 0 is a noop if ACPI thinks it's at T0... and we want to force T0].
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