Unavailable frequencies for P4 processor

Dave Jones davej at redhat.com
Tue Jul 25 16:01:37 UTC 2006


On Tue, Jul 25, 2006 at 09:11:41PM +0530, Vikram Goyal wrote:
 > Hi,
 > 
 > I am using FC5 on a P4 Hyperthreading 865GBF board.
 > 
 > Previously I used to use ondemand cpufreq mod and set my cpu min speed
 > at 900Mhz to max 2.4Ghz. But now there are on only two freq available i.e
 > 2.1Ghz and 2.4Ghz in:
 > [root at fc5host ~]# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
 > 2100000 2400000
 > 
 > The cpufreq drv which applies to my hardware is p4-clockmod
 > 
 > I don't understand how may I use cpufreq as before.

There exists a possibility of lockups due to CPU errata, so the erroneous
frequencies have been removed.

		Dave

-- 
http://www.codemonkey.org.uk




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