Date: Wed, 24 Sep 2003 08:12:20 -0500 From: "Charles Howse" <chowse@charter.net> To: <freebsd-questions@freebsd.org> Subject: RE: Kern.timecounter.hardware issues Message-ID: <000801c3829d$7c6647a0$04fea8c0@moe>
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> Hi, > The following appeared in my daily security run output: >=20 > curly.howse.no-ip.org kernel log messages: > > Timecounter "TSC" frequency 300683473 Hz >=20 > I have a Celeron 300 CPU, if that matters. >=20 > A quick Google for 'Timecounter "TSC" frequency' led me to=20 > believe that I should change the hardware timecounter to i8254 with: >=20 > sysctl -w kern.timecounter.hardware=3Di8254 >=20 > I did that, rebooted, and ran sysctl -a again, only to see=20 > that kern.timecounter.hardware had reverted to TSC. >=20 > I have both i8254 and TSC showing in dmesg. >=20 > Should I make the change permanent across reboots, and if so, how? >=20 > BTW, are any of you getting the same messages from this list=20 > over and over again? > I am, I wonder what's going on? After re-reading man sysctl, I see I should be able to set any values I need in /etc/sysctl.conf I added kern.timecounter.hardware=3Di8254, saved, rebooted, no joy, = still set to TSC. The handbook doesn't have anything specific. What's going on?
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