Red Hat Bugzilla – Bug 60922
Misreported CPU speed
Last modified: 2007-04-18 12:40:48 EDT
HP Omnibook 6000 600Mhz PIII. Kernel 2.4.18-0.1 misdetects clock speed as 300Mhz.
cpu family : 6
model name : Pentium III (Coppermine)
cpu MHz : 309.245
cache size : 256 KB
cpuid level : 2
: fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse
Did you have the power connected when you booted ?
Several modern laptops run at half speed when you boot on battery
Curious - the power was plugged in at the time, but rebooting fixed it - it must
have stayed at 1/2 speed from when it was powered up.
Not per se. the calibration/measurement is done during boot (it's a "loop in a
small loop until the timer fires" so it costs cpu time -> not done every hour ;)
.... so maybe the actual Mhz changed just the kernel only shows the boot time value