To answer my own question……
Needed to add cpufreq=dom0-kernel to my Xen boot options, this fixed Powernow
completely.
From:
xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Robert
Dunkley
Sent: 12 August 2008 11:06
To: Xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Powernow Failure with Xen Kernel
Sorry to have so many questions but I seem to have quite a
few mini problems with my first Xen setup. My xen server works fine with
Powernow on the standard Kernel but with the Xen kernel it fails. Does anyone
know why? Details below.
With Standard Kernel
powernow-k8: Found 2 Quad-Core AMD Opteron(tm) Processor
8350 processors (8 cpu cores) (version 2.20.00)
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 1 : fid 0x0 gid 0x0 (1700
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (1400
MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (1200
MHz)
powernow-k8: 4 : fid 0x0 gid 0x0 (1000
MHz)
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 1 : fid 0x0 gid 0x0 (1700
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (1400
MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (1200
MHz)
powernow-k8: 4 : fid 0x0 gid 0x0 (1000
MHz)
ACPI: (supports S0 S1 S4 S5)
With Xen 3.2.1 Kernel:
powernow-k8: Found 8 Quad-Core AMD Opteron(tm) Processor
8350 processors (8 cpu cores) (version 2.20.00)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x45 gid 0xfa
(4294936 MHz)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x44 gid 0xfa
(4294936 MHz)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x42 gid 0xfa
(4294936 MHz)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x41 gid 0xfa
(4294936 MHz)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x6f gid 0xfa
(4294936 MHz)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
input: AT Translated Set 2 keyboard as /class/input/input0
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x6d gid 0xfa
(4294936 MHz)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x6c gid 0xfa
(4294936 MHz)
powernow-k8: invalid pstate 1 - bad value 1.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 2 - bad value 2.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 3 - bad value 3.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: invalid pstate 4 - bad value 4.
powernow-k8: Please report to BIOS manufacturer
powernow-k8: 0 : fid 0x0 gid 0x0 (2000
MHz)
powernow-k8: 2 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 3 : fid 0x0 gid 0x0 (0 MHz)
powernow-k8: 4 : fid 0x6b gid 0xfa
(4294936 MHz)
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