On Mon, Sep 11, 2006 at 12:16:31AM +0200, Juan RP wrote :
> 
> Do you have "options POWERNOW_K8" in your kernel?

yes, i leave this default kernel parameter
> 
> Can you please try to enable "options POWERNOW_DEBUG" in your
> kernel and send me full dmesg output?
> 
My hardware:
AMD 64+ socket 939
Asus A8N-E

results with options POWERNOW_DEBUG:


Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 4.0_BETA (KIPIX_AMD64_TEST1) #0: Mon Sep 11 21:40:14 CEST 2006
	eric@kipix.geodata.name:/reseau/build_release/amd64/obj/sys/arch/amd64/compile/KIPIX_AMD64_TEST1
total memory = 1023 MB
avail memory = 979 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
timecounter: selected timecounter "i8254" frequency 1193182 Hz quality 100
mainbus0 (root)
cpu0 at mainbus0: (uniprocessor)
cpu0: AMD Athlon(tm) 64 Processor 3000+, 1809.35 MHz
cpu0: features: e7dbfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features: e7dbfbff<PGE,MCA,CMOV,PAT,PSE36,MPC,NOX,MMXX,MMX>
cpu0: features: e7dbfbff<FXSR,SSE,SSE2,LONG,3DNOW2,3DNOW>
cpu0: I-cache 64 KB 64B/line 2-way, D-cache 64 KB 64B/line 2-way
cpu0: L2 cache 512 KB 64B/line 16-way
cpu0: ITLB 32 4 KB entries fully associative, 8 4 MB entries fully associative
cpu0: DTLB 32 4 KB entries fully associative, 8 4 MB entries fully associative
cpu0: AMD Power Management features: TS FID VID TTP TM STC
k8pnow_states: before the for loop
k8pnow_states: returns 0!
k8_powernow_init: returned 0!
k8_powernow_init: k8pnow_current_state is NULL!
cpu0: 8 page colors
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
NVIDIA nForce4 Memory Controller (miscellaneous memory, revision 0xa3) at pci0 dev 0 function 0 not configured
pcib0 at pci0 dev 1 function 0
pcib0: NVIDIA product 0x0050 (rev. 0xa3)
NVIDIA nForce4 SMBus (SMBus serial bus, revision 0xa2) at pci0 dev 1 function 1 not configured
ohci0 at pci0 dev 2 function 0: NVIDIA nForce4 USB Host Controller (rev. 0xa2)
ohci0: interrupting at irq 5
ohci0: OHCI version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: NVIDIA OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 10 ports with 10 removable, self powered
NVIDIA nForce4 USB2 Host Controller (USB serial bus, interface 0x20, revision 0xa3) at pci0 dev 2 function 1 not configured
auich0 at pci0 dev 4 function 0: nForce4 AC-97 Audio
auich0: interrupting at irq 3
auich0: ac97: Avance Logic ALC850 codec; no 3D stereo
auich0: ac97: ext id 9c6<AC97_23,LDAC,SDAC,CDAC,SPDIF,DRA>
viaide0 at pci0 dev 6 function 0
viaide0: NVIDIA nForce4 IDE Controller (rev. 0xf2)
viaide0: bus-master DMA support present
viaide0: primary channel configured to compatibility mode
viaide0: primary channel interrupting at irq 14
atabus0 at viaide0 channel 0
viaide0: secondary channel configured to compatibility mode
viaide0: secondary channel interrupting at irq 15
atabus1 at viaide0 channel 1
viaide1 at pci0 dev 7 function 0
viaide1: NVIDIA nForce4 Serial ATA Controller (rev. 0xf3)
viaide1: bus-master DMA support present
viaide1: primary channel wired to native-PCI mode
viaide1: using irq 11 for native-PCI interrupt
atabus2 at viaide1 channel 0
viaide1: secondary channel wired to native-PCI mode
atabus3 at viaide1 channel 1
viaide2 at pci0 dev 8 function 0
viaide2: NVIDIA nForce4 Serial ATA Controller (rev. 0xf3)
viaide2: bus-master DMA support present
viaide2: primary channel wired to native-PCI mode
viaide2: using irq 5 for native-PCI interrupt
atabus4 at viaide2 channel 0
viaide2: secondary channel wired to native-PCI mode
atabus5 at viaide2 channel 1
ppb0 at pci0 dev 9 function 0: NVIDIA nForce4 PCI Host Bridge (rev. 0xa2)
pci1 at ppb0 bus 5
pci1: i/o space, memory space enabled
rtk0 at pci1 dev 6 function 0: Realtek 8139 10/100BaseTX
rtk0: interrupting at irq 3
rtk0: Ethernet address 00:50:fc:6f:b9:d6
ukphy0 at rtk0 phy 7: Generic IEEE 802.3u media interface
ukphy0: OUI 0x000000, model 0x0000, rev. 0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
cmpci0 at pci1 dev 7 function 0: C-Media Electronics CMI8738/C3DX PCI Audio Device (rev. 0x10)
cmpci0: interrupting at irq 5
audio0 at cmpci0: full duplex, mmap, independent
opl at cmpci0 not configured
mpu at cmpci0 not configured
NVIDIA nForce4 Ethernet (miscellaneous bridge, revision 0xa3) at pci0 dev 10 function 0 not configured
ppb1 at pci0 dev 11 function 0: NVIDIA nForce4 PCIe Host Bridge (rev. 0xa3)
pci2 at ppb1 bus 4
pci2: i/o space, memory space enabled, rd/line, wr/inv ok
ppb2 at pci0 dev 12 function 0: NVIDIA nForce4 PCIe Host Bridge (rev. 0xa3)
pci3 at ppb2 bus 3
pci3: i/o space, memory space enabled, rd/line, wr/inv ok
ppb3 at pci0 dev 13 function 0: NVIDIA nForce4 PCIe Host Bridge (rev. 0xa3)
pci4 at ppb3 bus 2
pci4: i/o space, memory space enabled, rd/line, wr/inv ok
ppb4 at pci0 dev 14 function 0: NVIDIA nForce4 PCIe Host Bridge (rev. 0xa3)
pci5 at ppb4 bus 1
pci5: i/o space, memory space enabled, rd/line, wr/inv ok
vga0 at pci5 dev 0 function 0: ATI Technologies product 0x5b63 (rev. 0x00)
wsdisplay0 at vga0 kbdmux 1: console (80x25, vt100 emulation)
wsmux1: connecting to wsdisplay0
ATI Technologies product 0x5b73 (miscellaneous display) at pci5 dev 0 function 1 not configured
pchb0 at pci0 dev 24 function 0
pchb0: Advanced Micro Devices AMD64 HyperTransport configuration (rev. 0x00)
pchb1 at pci0 dev 24 function 1
pchb1: Advanced Micro Devices AMD64 Address Map configuration (rev. 0x00)
pchb2 at pci0 dev 24 function 2
pchb2: Advanced Micro Devices AMD64 DRAM configuration (rev. 0x00)
pchb3 at pci0 dev 24 function 3
pchb3: Advanced Micro Devices AMD64 Miscellaneous configuration (rev. 0x00)
isa0 at pcib0
lpt0 at isa0 port 0x378-0x37b irq 7
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
mpu0 at isa0 port 0x330-0x331 irq 9
midi0 at mpu0: Roland MPU-401 MIDI UART (CPU-intensive output)
pcppi0 at isa0 port 0x61
midi1 at pcppi0: PC speaker (CPU-intensive output)
sysbeep0 at pcppi0
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
timecounter: Timecounter "TSC" frequency 1809383110 Hz quality 800
timecounter: selected timecounter "TSC" frequency 1809383110 Hz quality 800
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
audio1 at auich0: full duplex, independent
Kernelized RAIDframe activated
atapibus0 at atabus0: 2 targets
cd0 at atapibus0 drive 1: <GoldStar CD-RW CED-8120B, , 1.01> cdrom removable
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2
cd0(viaide0:0:1): using PIO mode 4, DMA mode 2 (using DMA)
wd0 at atabus2 drive 0: <HDS728080PLA380>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 78533 MB, 159560 cyl, 16 head, 63 sec, 512 bytes/sect x 160836480 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(viaide1:0:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd1 at atabus3 drive 0: <Maxtor 6V080E0>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 78167 MB, 158816 cyl, 16 head, 63 sec, 512 bytes/sect x 160086528 sectors
wd1: 32-bit data port
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(viaide1:1:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
boot device: wd0
root on wd0a dumps on wd0b
root file system type: ffs
wsdisplay0: screen 1 added (80x25, vt100 emulation)
wsdisplay0: screen 2 added (80x25, vt100 emulation)
wsdisplay0: screen 3 added (80x25, vt100 emulation)
wsdisplay0: screen 4 added (80x25, vt100 emulation)