Date: Thu, 5 Jun 2008 10:40:28 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: Evren Yurtesen <yurtesen@ispro.net>, Andrew Snow <andrew@modulus.org> Subject: Re: cpufreq broken on core2duo (was: powerd is doing nothing?) Message-ID: <200806051040.28319.jhb@freebsd.org> In-Reply-To: <48471834.30905@modulus.org> References: <4847072E.5000709@ispro.net> <484713B2.5030200@ispro.net> <48471834.30905@modulus.org>
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On Wednesday 04 June 2008 06:33:24 pm Andrew Snow wrote: > Evren Yurtesen wrote: > > > When you say that it doesnt work, does it give an error or? In my case > > it doesnt give any errors just says it set it but I see that nothing is > > set. > > Here's one box: > > CPU: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz > cpu0: <ACPI CPU> on acpi0 > est0: <Enhanced SpeedStep Frequency Control> on cpu0 > est: CPU supports Enhanced Speedstep, but is not recognized. > est: cpu_vendor GenuineIntel, msr 61a49200600091a > device_attach: est0 attach returned 6 > p4tcc0: <CPU Frequency Thermal Control> on cpu0 > > > Here's another one: > CPU: Intel(R) Xeon(R) CPU E5410 @ 2.33GHz > cpu0: <ACPI CPU> on acpi0 > est0: <Enhanced SpeedStep Frequency Control> on cpu0 > est: CPU supports Enhanced Speedstep, but is not recognized. > est: cpu_vendor GenuineIntel, msr 720072006000720 > device_attach: est0 attach returned 6 > p4tcc0: <CPU Frequency Thermal Control> on cpu0 You can try http://www.FreeBSD.org/~jhb/patches/est_msr.patch. It won't give you the full range of speeds for you CPU, but it should give you the high and low values that we can guess from the upper 32-bits of the MSR. -- John Baldwin
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