T7200 CPU not detected by est

Hi folks,

I have several systems using T7200 mobile CPUs running under 7-stable.
However, EST does not recognize the cpus. When loading cpufreq I get:

---
Jan 18 23:18:14 comet kernel: est1: <Enhanced SpeedStep Frequency Control>
on cpu1 
Jan 18 23:18:14 comet kernel: est: CPU supports Enhanced
Speedstep, but is not recognized. 
Jan 18 23:18:14 comet kernel: est: cpu_vendor GenuineIntel, msr
6130c2906000c29 
Jan 18 23:18:14 comet kernel: device_attach: est1 attach returned 6 
Jan 18 23:18:14 comet kernel: p4tcc0: <CPU Frequency Thermal Control> on
cpu0 
Jan 18 23:18:14 comet kernel: est1: <Enhanced SpeedStep Frequency
Control> on cpu1 
Jan 18 23:18:14 comet kernel: est: CPU supports Enhanced
Control> Speedstep, but is not recognized. 
Jan 18 23:18:14 comet kernel: Control> est: cpu_vendor GenuineIntel,
msr 6130c2906000c29 
Jan 18 23:18:14 comet kernel: device_attach: est1 attach returned 6 
Jan 18 23:18:14 comet kernel: p4tcc1: <CPU Frequency Thermal Control> on
cpu1 
Jan 18 23:18:14 comet kernel: est1: <Enhanced SpeedStep Frequency
Control> on cpu1 
Jan 18 23:18:14 comet kernel: est: CPU supports Enhanced Control>
Speedstep, but is not recognized. 
Jan 18 23:18:14 comet kernel: est: cpu_vendor GenuineIntel, msr
6130c2906000c29 
Jan 18 23:18:14 comet kernel: device_attach: est1 attach returned 6 
Jan 18 23:18:14 comet kernel: est1: <Enhanced SpeedStep Frequency Control>
on cpu1 
Jan 18 23:18:14 comet kernel: est: CPU supports Enhanced Speedstep,
but is not recognized. 
Jan 18 23:18:14 comet kernel: est: cpu_vendor GenuineIntel, msr
6130c2906000c29 Jan 18 23:18:14 comet kernel: device_attach: est1 attach
returned 6
---


Here is some (hopefully useful :-) excerpt from my dmesg:

---
Copyright (c) 1992-2007 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 7.0-BETA4 #0: Fri Dec 14 21:02:47 CET 2007
    [email protected]:/usr/obj/usr/src/sys/COMET.7
can't re-use a leaf (siots)!
can't re-use a leaf (conspeed)!
can't re-use a leaf (gdbspeed)!
can't re-use a leaf (conrclk)!
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 CPU         T7200  @ 2.00GHz (1999.00-MHz
686-class CPU) Origin = "GenuineIntel"  Id = 0x6f6  Stepping = 6
  Features=0xbfebfbff<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=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
  AMD Features=0x20100000<NX,LM>
  AMD Features2=0x1<LAHF>
  Cores per package: 2
real memory  = 2137915392 (2038 MB)
avail memory = 2086670336 (1990 MB)
ACPI APIC Table: <IntelR AWRDACPI>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
pnpbios: Bad PnP BIOS data checksum
ioapic0: Changing APIC ID to 2
ioapic0 <Version 2.0> irqs 0-23 on motherboard
[...]
acpi0: <IntelR AWRDACPI> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 7f5e0000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_perf0: <ACPI CPU Frequency Control> on cpu0
cpu1: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0
[...]
SMP: AP CPU #1 Launched!
---


When I start powerd with cpufreq loaded like this, the machines
typically crash and reboot. I searched the web for a while to find a
solution for this, but without any success. Does anybody here have some
hints how to get speedstepping & co. to work properly?


cu
  Gerrit
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