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From: "Mariusz Kozłowski" <sp3fxc@linuxfocus.org>
To: john stultz <johnstul@us.ibm.com>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: odd clock thing...
Date: Sat, 10 Apr 2004 15:26:10 +0200	[thread overview]
Message-ID: <200404101526.10695.sp3fxc@linuxfocus.org> (raw)
In-Reply-To: <1081363155.5408.455.camel@cog.beaverton.ibm.com>

Dnia śro 7. kwietnia 2004 20:39, napisałeś:
> Very odd. I looked at the dmesg you sent me and it looks like you're
> using the ACPI PM timesource. There is an open bug (link below) against
> it and I'm not sure if we're dealing with odd hardware or some other
> side effect is causing the issue.
>
> If you disable cpufreq does it go away? You might want to try disabling
> the ACPI PM timer code (under the Power Management->ACPI menu) and see
> if that resolves it.
>
> For more details, check this bug:
> http://bugme.osdl.org/show_bug.cgi?id=2375

Hi John,

	I did what you told me to do. I disabled ACPI PM time source. There is a 
significant change. The system clock is running still too fast but it is a 
very small difference. After 24 hours the difference is 2 minutes ahead. I 
don't know what to think about it. Is it precise enough or should I do some 
more tests. As far as I remember the system clock on this machine was runnig 
perfectly fine so that even after one week it was still in sync with other 
electronic clocks I have. I think I'll try to disable CPUfreq and see if it 
helps. 

Thanks for helping out,

	Mariusz

  reply	other threads:[~2004-04-10 13:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-06 18:04 odd clock thing Mariusz Kozłowski
2004-04-07 18:39 ` john stultz
2004-04-10 13:26   ` Mariusz Kozłowski [this message]
2004-04-29 13:49     ` Andy Whitcroft

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