Wrong CPU frequency after reboot

[Kris Kennaway]

Often when I reboot my system it restarts with the wrong CPU
frequency:

Apr  7 22:24:53 xor kernel: FreeBSD 6.1-PRERELEASE #19: Tue Mar 28 15:15:20 EST 2006
Apr  7 22:24:53 xor kernel: ACPI APIC Table: <AMD-K8 AWRDACPI>
Apr  7 22:24:53 xor kernel: CPU: AMD Athlon(tm) 64 Processor 2200+ (797.73-MHz 686-class CPU)
Apr  7 22:24:53 xor kernel: Origin = "AuthenticAMD"  Id = 0xf48  Stepping = 8
Apr  7 22:24:53 xor kernel: Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>

dev.cpu.0.freq: 799
dev.cpu.0.freq_levels: 799/-1 699/-1 599/-1 499/-1 399/-1 299/-1 199/-1 99/-1

(it's always 799) when it should be

/var/log/messages.1.bz2:Mar 28 15:21:28 xor kernel: CPU: AMD Athlon(tm) 64 Processor 2200+ (2193.77-MHz 686-class CPU)

A power cycle is needed to run at full speed.

Can anyone suggest what is wrong?

Kris

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