kernel/dmesg misreporting clock speed of CPU
John T. Yocum
yocumjt at charter.net
Fri Apr 22 12:50:01 PDT 2005
Jon Noack wrote:
> On 4/22/2005 9:07 AM, John T. Yocum wrote:
>> First off, want to say thanks to all the people that make FreeBSD
>> possible. Very nice operating system. :) Ok, now for the problem.
>> Been running FreeBSD 5-STABLE on my Dual Pentium Pro 200Mhz for many
>> months now. However, yesterday I upped to 5.4-RC3, and noticed
>> something changed during bootup.
>> This line:
>> CPU: Pentium Pro (145.59-MHz 686-class CPU)
>> Note that line says 145.59-Mhz, I have 200Mhz CPUs. As well, prior to
>> upgrading to RC-3 that line would say 199.98Mhz. Not sure if that's a
>> bug or not.
> Random shot:
> BIOS battery died and the speed got reset to 150MHz?
> Then again, the speed on the Pentium Pro machine I used to have was set
> with a jumper (had it overclocked to 233MHz!)...
> Sorry if I'm way off base here,
The clockspeed is setup via jumpers. Just before rebooting to RC3, the
kernel was reporting the proper clock speed. IIRC, this issue has come
up before for some people.
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