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To: MATOBA Hirozumi <matoba@st.rim.or.jp>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Sat, 16 Aug 2003 12:06:21 +0900."
             <20030816.120621.846933691.matoba@st.rim.or.jp> 
Date: Sat, 16 Aug 2003 10:25:33 +0200
Message-ID: <18962.1061022333@critter.freebsd.dk>
cc: freebsd-current@freebsd.org
cc: thorsten.greiner@web.de
cc: nate@root.org
Subject: Re: clock works slowly when I change CPU speed 
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In message <20030816.120621.846933691.matoba@st.rim.or.jp>, MATOBA Hirozumi wri
tes:
> On Fri, 15 Aug 2003 22:50:47 +0200 Thorsten Greiner wrote:
>| $ dmesg | grep counter
>| Timecounter "i8254"  frequency 1193182 Hz
>| Timecounter "ACPI-fast"  frequency 3579545 Hz
>| Timecounter "TSC"  frequency 1595302164 Hz
>| $ sysctl -w kern.timecounter.hardware=i8254
>| Fixes the problem for me. I suspect you should set this in
>| /etc/sysctl.conf to enable it permanently.
>
>Thank you for your advice. 

I've given timecounters "qualities" which should solve this problem.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.