linux-kernel - Re: ACPI cpufreq broken on 2.6.22 for core2 duo

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Message-ID: <4699521B.7030004@gmail.com>
Date:	Sun, 15 Jul 2007 00:45:47 +0200
From:	Patrizio Bassi <patrizio.bassi@...il.com>
To:	"Kernel, " <linux-kernel@...r.kernel.org>
Subject: Re: ACPI cpufreq broken on 2.6.22 for core2 duo

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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