Athlon 64 UP CPU -- no frequency scaling support?

[Adam Williamson]

On Thu, 2009-10-29 at 17:38 +0200, Aioanei Rares wrote:
> The cpufreq-* modules are loaded, I tried both available Fedora kernels 
> (2.6.31.5-96.fc12.x86_64 and
>   2.6.31.1-56.fc12.x86_64, acpitool --cpu says :
> 
> CPU type               : AMD Athlon(tm) 64 Processor 3800+
>    CPU speed              : 2400.392 MHz
>    Cache size             : 512 KB
>    Bogomips               : 4800.78
>    Processor ID           : 0
>    Bus mastering control  : yes
>    Power management       : no
>    Throttling control     : no
>    Limit interface        : no
>    Active C-state         : C0
>    C-states (incl. C0)    : 0
> 
> But...in works in $OTHER_DISTRO and /proc/cpuinfo says
> 
> processor    : 0
> vendor_id    : AuthenticAMD
> cpu family    : 15
> model        : 95
> model name    : AMD Athlon(tm) 64 Processor 3800+
> stepping    : 2
> cpu MHz        : 2400.392
> cache size    : 512 KB
> fpu        : yes
> fpu_exception    : yes
> cpuid level    : 1
> wp        : yes
> flags        : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov 
> pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt rdtscp lm 
> 3dnowext 3dnow up rep_good extd_apicid pni cx16 lahf_lm svm extapic 
> cr8_legacy
> bogomips    : 4800.78
> TLB size    : 1024 4K pages
> clflush size    : 64
> cache_alignment    : 64
> address sizes    : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp tm stc
> 
> 
> ...so it obviously should support cpu frequency scaling. Any ideas?

Have you checked for any relevant messages in /var/log/messages ?

-- 
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org
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