Re: ACPI cpufreq broken on 2.6.22 for core2 duo

From: Patrizio Bassi
Date: Sat Jul 14 2007 - 18:46:26 EST


Patrizio Bassi ha scritto:
> With linux 2.6.21 and 22 i cannot get cpufreq working anymore while it
> worked in previous versions
>
> ACPI Exception (processor_core-0781): AE_NOT_FOUND, Processor Device is
> not present [20070126]
> ACPI Exception (processor_core-0781): AE_NOT_FOUND, Processor Device is
> not present [20070126]
>
> i'm in 64bit profile.
> Bios updated to latest version.
>
> CC me as i'm not subscribed.
>
>
> cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 15
> model name : Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz
> stepping : 6
> cpu MHz : 1866.667
> cache size : 2048 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 2
> fpu : yes
> fpu_exception : yes
> cpuid level : 10
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
> nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
> bogomips : 3735.47
> clflush size : 64
> cache_alignment : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 6
> model : 15
> model name : Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz
> stepping : 6
> cpu MHz : 1866.667
> cache size : 2048 KB
> physical id : 0
> siblings : 2
> core id : 1
> cpu cores : 2
> fpu : yes
> fpu_exception : yes
> cpuid level : 10
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
> nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
> bogomips : 3733.31
> clflush size : 64
> cache_alignment : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>


Sorry, i posted it twice by error.
however i found same issue described here:

http://bugzilla.kernel.org/show_bug.cgi?id=8630

Sorry for bothering


Patrizio
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