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Date:      Thu, 15 Sep 2011 17:12:10 -0400
From:      Arnaud Lacombe <lacombar@gmail.com>
To:        "K. Macy" <kmacy@freebsd.org>
Cc:        FreeBSD-Current <freebsd-current@freebsd.org>
Subject:   Re: 9.0-BETA2 do not support SpeedStep on E5420
Message-ID:  <CACqU3MWu2qw-70xveYZTt9uoUC3Q4QER-Ne9nD%2Bj2vas9AV=zw@mail.gmail.com>
In-Reply-To: <CAHM0Q_Pq1zrB-3ip8X0vstatb9SguPxspfwEFYSvOHNR55zNng@mail.gmail.com>
References:  <CACqU3MWNgq4RkBu7-eUON20CWdfO38KbM-8hR0AnFV-mn_=-7A@mail.gmail.com> <CAHM0Q_Pq1zrB-3ip8X0vstatb9SguPxspfwEFYSvOHNR55zNng@mail.gmail.com>

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Hi,

On Thu, Sep 15, 2011 at 4:26 PM, K. Macy <kmacy@freebsd.org> wrote:
> I was just discussing this issues with some others - evidently est(9)
> works fine on both older and newer cpus. I see you're active on lkml -
> does the linux driver work correctly on this machine? i.e. do you know
> that it isn't disabled in the BIOS.
>
Actually, I checked the BIOS after I sent the mail. I not see anything
related to that. Looking again, there is a BIOS entry named "Ratio
CMOS Setting" whose help reads "Sets the ratio between CPU Core Clock
and the FSB. Note: For CedarMill and Prescott Family CPUs, the setup
option only available when Intel SpeedStep technology is disabled.".
However, I'm not sure whether or not the E5420 is either a CedarMill
and Prescott Family CPUs, or maybe the BIOS is just not enabling the
feature.

I did not try to boot a Linux on that platform.

 - Arnaud

> Thanks
>
> On Thu, Sep 15, 2011 at 6:20 PM, Arnaud Lacombe <lacombar@gmail.com> wrot=
e:
>> Hi,
>>
>> >From today's -CURRENT:
>>
>> Copyright (c) 1992-2011 The FreeBSD Project.
>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>> =A0 =A0 =A0 =A0The Regents of the University of California. All rights r=
eserved.
>> FreeBSD is a registered trademark of The FreeBSD Foundation.
>> FreeBSD 9.0-BETA2 #17 r225560+be1f8b9: Thu Sep 15 12:05:41 EDT 2011
>> =A0 =A0al@shai-hulud:/data/src/freebsd/obj/master/i386.i386/data/src/fre=
ebsd/src/sys/GENERIC
>> i386
>> CPU: Intel(R) Xeon(R) CPU =A0 =A0 =A0 =A0 =A0 E5420 =A0@ 2.50GHz (2493.8=
0-MHz 686-class CPU)
>> =A0Origin =3D "GenuineIntel" =A0Id =3D 0x1067a =A0Family =3D 6 =A0Model =
=3D 17 =A0Stepping =3D 10
>> =A0Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTR=
R,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>> =A0Features2=3D0x40ce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,x=
TPR,PDCM,DCA,SSE4.1,XSAVE>
>> =A0AMD Features=3D0x20100000<NX,LM>
>> =A0AMD Features2=3D0x1<LAHF>
>> =A0TSC: P-state invariant, performance statistics
>> real memory =A0=3D 6442450944 (6144 MB)
>> avail memory =3D 3677458432 (3507 MB)
>> Event timer "LAPIC" quality 400
>> ACPI APIC Table: <100509 APIC1714>
>> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
>> FreeBSD/SMP: 2 package(s) x 4 core(s)
>> =A0cpu0 (BSP): APIC ID: =A00
>> =A0cpu1 (AP): APIC ID: =A01
>> =A0cpu2 (AP): APIC ID: =A02
>> =A0cpu3 (AP): APIC ID: =A03
>> =A0cpu4 (AP): APIC ID: =A04
>> =A0cpu5 (AP): APIC ID: =A05
>> =A0cpu6 (AP): APIC ID: =A06
>> =A0cpu7 (AP): APIC ID: =A07
>> [...]
>> est0: failed to enable SpeedStep
>> p4tcc0: <CPU Frequency Thermal Control> on cpu0
>> est1: failed to enable SpeedStep
>> p4tcc1: <CPU Frequency Thermal Control> on cpu1
>> est2: failed to enable SpeedStep
>> p4tcc2: <CPU Frequency Thermal Control> on cpu2
>> est3: failed to enable SpeedStep
>> p4tcc3: <CPU Frequency Thermal Control> on cpu3
>> est4: failed to enable SpeedStep
>> p4tcc4: <CPU Frequency Thermal Control> on cpu4
>> est5: failed to enable SpeedStep
>> p4tcc5: <CPU Frequency Thermal Control> on cpu5
>> est6: failed to enable SpeedStep
>> p4tcc6: <CPU Frequency Thermal Control> on cpu6
>> est7: failed to enable SpeedStep
>> p4tcc7: <CPU Frequency Thermal Control> on cpu7
>>
>> It feels strange that the latest FreeBSD do not support est(4) on a 3
>> years old CPU...
>>
>> Thanks,
>> =A0- Arnaud
>> _______________________________________________
>> freebsd-current@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-current
>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.or=
g"
>>
>



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