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Re: Athlon 64 UP CPU -- no frequency scaling support?



On Thu, Oct 29, 2009 at 05:38:00PM +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?

What does cat /sys/devices/system/cpu/cpu0/cpufreq/* say ?

	Dave


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