Re: 9.0-BETA2 do not support SpeedStep on old Core2Duo E4500 too

On Sep 15, 2011, at 10:21 PM, Lev Serebryakov wrote:

> Hello, Arnaud.
> You wrote 16 =D3=C5=CE=D4=D1=C2=D2=D1 2011 =C7., 1:19:29:
>=20
>=20
> CPU: Intel(R) Core(TM)2 Duo CPU     E4500  @ 2.20GHz (2200.09-MHz =
K8-class CPU)
>  Origin =3D "GenuineIntel"  Id =3D 0x6fd  Family =3D 6  Model =3D f  =
Stepping =3D 13
>  =
Features=3D0xbfebfbff<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,HTT,TM,PBE>
>  Features2=3D0xe39d<SSE3,DTES64,MON,DS_CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM>=

>  AMD Features=3D0x20100800<SYSCALL,NX,LM>
>  AMD Features2=3D0x1<LAHF>
>  TSC: P-state invariant
> ....
> coretemp0: <CPU On-Die Thermal Sensors> on cpu0
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> est: CPU supports Enhanced Speedstep, but is not recognized.
> est: cpu_vendor GenuineIntel, msr b280b2806000b28
> device_attach: est0 attach returned 6
> p4tcc0: <CPU Frequency Thermal Control> on cpu0
> coretemp1: <CPU On-Die Thermal Sensors> on cpu1
> est1: <Enhanced SpeedStep Frequency Control> on cpu1
> est: CPU supports Enhanced Speedstep, but is not recognized.
> est: cpu_vendor GenuineIntel, msr b280b2806000b28
> device_attach: est1 attach returned 6
> p4tcc1: <CPU Frequency Thermal Control> on cpu1

	Like Andriy suggested, it might be an ACPI issue because it =
works just fine on these machines running 9.0-BETA2:

$ dmesg | egrep 'Pentium|Xeon|^(coretemp|p4tcc|est)'
CPU: Pentium(R) Dual-Core  CPU      E5800  @ 3.20GHz (3200.06-MHz =
K8-class CPU)
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
p4tcc1: <CPU Frequency Thermal Control> on cpu1

$ dmesg | egrep 'Xeon|^(coretemp|p4tcc|est)'
CPU: Intel(R) Xeon(R) CPU           X3230  @ 2.66GHz (2664.06-MHz =
K8-class CPU)
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
p4tcc1: <CPU Frequency Thermal Control> on cpu1
est2: <Enhanced SpeedStep Frequency Control> on cpu2
p4tcc2: <CPU Frequency Thermal Control> on cpu2
est3: <Enhanced SpeedStep Frequency Control> on cpu3
p4tcc3: <CPU Frequency Thermal Control> on cpu3

$ dmesg | egrep 'Xeon|^(coretemp|est)'
CPU: Intel(R) Xeon(R) CPU           W3520  @ 2.67GHz (2672.78-MHz =
K8-class CPU)
coretemp0: <CPU On-Die Thermal Sensors> on cpu0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
coretemp1: <CPU On-Die Thermal Sensors> on cpu1
est1: <Enhanced SpeedStep Frequency Control> on cpu1
coretemp2: <CPU On-Die Thermal Sensors> on cpu2
est2: <Enhanced SpeedStep Frequency Control> on cpu2
coretemp3: <CPU On-Die Thermal Sensors> on cpu3
est3: <Enhanced SpeedStep Frequency Control> on cpu3
coretemp4: <CPU On-Die Thermal Sensors> on cpu4
est4: <Enhanced SpeedStep Frequency Control> on cpu4
coretemp5: <CPU On-Die Thermal Sensors> on cpu5
est5: <Enhanced SpeedStep Frequency Control> on cpu5
coretemp6: <CPU On-Die Thermal Sensors> on cpu6
est6: <Enhanced SpeedStep Frequency Control> on cpu6
coretemp7: <CPU On-Die Thermal Sensors> on cpu7
est7: <Enhanced SpeedStep Frequency Control> on cpu7

Thanks,
-Garrett=
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