From: Dominik Brodowski <linux@dominikbrodowski.de>
To: john stultz <johnstul@us.ibm.com>
Cc: Praedor Atrebates <praedor@yahoo.com>,
lkml <linux-kernel@vger.kernel.org>,
Len Brown <len.brown@intel.com>
Subject: Re: System clock speed too high - 2.6.3 kernel
Date: Tue, 6 Apr 2004 23:46:16 +0200 [thread overview]
Message-ID: <20040406214616.GC11010@dominikbrodowski.de> (raw)
In-Reply-To: <1080660339.5408.356.camel@cog.beaverton.ibm.com>
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].
Dominik
next prev parent reply other threads:[~2004-04-06 21:51 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-26 19:30 System clock speed too high - 2.6.3 kernel Praedor Atrebates
2004-03-26 21:22 ` john stultz
2004-03-26 21:54 ` Praedor Atrebates
2004-03-26 23:09 ` john stultz
[not found] ` <200403261800.32717.praedor@yahoo.com>
2004-03-26 21:57 ` john stultz
2004-03-26 22:05 ` Praedor Atrebates
2004-03-26 22:18 ` Praedor Atrebates
2004-03-30 15:25 ` john stultz
2004-04-06 21:46 ` Dominik Brodowski [this message]
2004-03-26 21:46 ` George Anzinger
2004-03-26 21:57 ` Praedor Atrebates
2004-03-27 16:09 ` George Anzinger
[not found] <1E4zj-77w-69@gated-at.bofh.it>
2004-05-25 9:22 ` Joris van Rantwijk
2004-05-25 20:53 ` john stultz
2004-05-25 20:58 ` john stultz
2004-05-26 22:43 ` Joris van Rantwijk
2004-05-26 23:08 ` john stultz
2004-05-27 13:32 ` Bill Davidsen
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