regular hwpstate0: set freq failed, err 6

John-Mark Gurney jmg at
Tue Sep 11 05:04:35 UTC 2012

I just recently put a system together w/ a AMD Opteron 4228 HE.  I've
enabled powerd, but I'm seeing regular messages:
hwpstate0: set freq failed, err 6

dmesg from the machine:
Copyright (c) 1992-2012 The FreeBSD Project.
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	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 9.1-RC1 #0: Tue Aug 14 04:25:06 UTC 2012
    root at amd64
CPU: AMD Opteron(tm) Processor 4228 HE               (2800.06-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x600f12  Family = 15  Model = 1  Stepping = 2
  AMD Features=0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM>
  AMD Features2=0x1c9bfff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,XOP,SKINIT,WDT,LWP,FMA4,NodeId,Topology,<b23>,<b24>>
  TSC: P-state invariant, performance statistics
real memory  = 17179869184 (16384 MB)
avail memory = 16515342336 (15750 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <111111 APIC1503>
FreeBSD/SMP: Multiprocessor System Detected: 6 CPUs
FreeBSD/SMP: 1 package(s) x 6 core(s)
 cpu0 (BSP): APIC ID: 16
 cpu1 (AP): APIC ID: 17
 cpu2 (AP): APIC ID: 18
 cpu3 (AP): APIC ID: 19
 cpu4 (AP): APIC ID: 20
 cpu5 (AP): APIC ID: 21
ioapic0 <Version 2.1> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <SMCI > on motherboard
acpi0: Power Button (fixed)
acpi0: reservation of fee00000, 1000 (3) failed
acpi0: reservation of ffb80000, 80000 (3) failed
acpi0: reservation of fec10000, 20 (3) failed
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, dff00000 (3) failed
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
cpu4: <ACPI CPU> on acpi0
cpu5: <ACPI CPU> on acpi0
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
Event timer "RTC" frequency 32768 Hz quality 0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 4.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <mass storage, RAID> at device 0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> irq 17 at device 9.0 on pci0
pci2: <ACPI PCI bus> on pcib2
em0: <Intel(R) PRO/1000 Network Connection 7.3.2> port 0xd800-0xd81f mem 0xfe9e0000-0xfe9fffff,0xfe9dc000-0xfe9dffff irq 17 at device 0.0 on pci2
em0: Using MSIX interrupts with 3 vectors
em0: Ethernet address: 00:25:90:79:12:34
pcib3: <ACPI PCI-PCI bridge> irq 18 at device 10.0 on pci0
pci3: <ACPI PCI bus> on pcib3
em1: <Intel(R) PRO/1000 Network Connection 7.3.2> port 0xe800-0xe81f mem 0xfeae0000-0xfeafffff,0xfeadc000-0xfeadffff irq 18 at device 0.0 on pci3
em1: Using MSIX interrupts with 3 vectors
em1: Ethernet address: 00:25:90:79:12:35
ahci0: <ATI IXP700 AHCI SATA controller> port 0xc000-0xc007,0xb000-0xb003,0xa000-0xa007,0x9000-0x9003,0x8000-0x800f mem 0xfebfbc00-0xfebfbfff irq 22 at device 17.0 on pci0
ahci0: AHCI v1.10 with 6 3Gbps ports, Port Multiplier supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
ahcich3: <AHCI channel> at channel 3 on ahci0
ahcich4: <AHCI channel> at channel 4 on ahci0
ahcich5: <AHCI channel> at channel 5 on ahci0
ohci0: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfebf9000-0xfebf9fff irq 16 at device 18.0 on pci0
usbus0 on ohci0
ohci1: <OHCI (generic) USB controller> mem 0xfebfa000-0xfebfafff irq 16 at device 18.1 on pci0
usbus1 on ohci1
ehci0: <AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller> mem 0xfebfb800-0xfebfb8ff irq 17 at device 18.2 on pci0
usbus2: EHCI version 1.0
usbus2 on ehci0
ohci2: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfebf7000-0xfebf7fff irq 18 at device 19.0 on pci0
usbus3 on ohci2
ohci3: <OHCI (generic) USB controller> mem 0xfebf8000-0xfebf8fff irq 18 at device 19.1 on pci0
usbus4 on ohci3
ehci1: <AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller> mem 0xfebfb400-0xfebfb4ff irq 19 at device 19.2 on pci0
usbus5: EHCI version 1.0
usbus5 on ehci1
pci0: <serial bus, SMBus> at device 20.0 (no driver attached)
atapci0: <ATI IXP700/800 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on pci0
ata1: <ATA channel> at channel 1 on atapci0
isab0: <PCI-ISA bridge> at device 20.3 on pci0
isa0: <ISA bus> on isab0
pcib4: <ACPI PCI-PCI bridge> at device 20.4 on pci0
pci4: <ACPI PCI bus> on pcib4
vgapci0: <VGA-compatible display> mem 0xfc000000-0xfcffffff,0xfdffc000-0xfdffffff,0xfe000000-0xfe7fffff irq 20 at device 4.0 on pci4
ohci4: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xfebf6000-0xfebf6fff irq 18 at device 20.5 on pci0
usbus6 on ohci4
acpi_button0: <Power Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xcd800-0xce7ff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
ppc0: cannot reserve I/O port range
ctl: CAM Target Layer loaded
acpi_throttle0: <ACPI CPU Throttling> on cpu0
hwpstate0: <Cool`n'Quiet 2.0> on cpu0
Timecounters tick every 1.000 msec
usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 480Mbps High Speed USB v2.0
usbus3: 12Mbps Full Speed USB v1.0
usbus4: 12Mbps Full Speed USB v1.0
usbus5: 480Mbps High Speed USB v2.0
usbus6: 12Mbps Full Speed USB v1.0
ugen0.1: <ATI> at usbus0
uhub0: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <ATI> at usbus1
uhub1: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen2.1: <ATI> at usbus2
uhub2: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
ugen3.1: <ATI> at usbus3
uhub3: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus3
ugen4.1: <ATI> at usbus4
uhub4: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
ugen5.1: <ATI> at usbus5
uhub5: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus5
ugen6.1: <ATI> at usbus6
uhub6: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
uhub6: 2 ports with 2 removable, self powered
uhub0: 3 ports with 3 removable, self powered
uhub1: 3 ports with 3 removable, self powered
uhub3: 3 ports with 3 removable, self powered
uhub4: 3 ports with 3 removable, self powered
uhub2: 6 ports with 6 removable, self powered
uhub5: 6 ports with 6 removable, self powered
ada0 at ata1 bus 0 scbus6 target 0 lun 0
ada0: <TS8GCF133 20101110> CFA-7 device
ada0: 66.700MB/s transfers (UDMA4, PIO 512bytes)
ada0: 7647MB (15662304 512 byte sectors: 16H 63S/T 15538C)
ada0: Previously was known as ad2
SMP: AP CPU #1 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #2 Launched!
SMP: AP CPU #4 Launched!
SMP: AP CPU #5 Launched!
Trying to mount root from ufs:/dev/ada0p2 [rw]...

sysctl dev.cpu:
dev.cpu.0.%desc: ACPI CPU
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=\_PR_.P001
dev.cpu.0.%pnpinfo: _HID=none _UID=0
dev.cpu.0.%parent: acpi0
dev.cpu.0.freq: 175
dev.cpu.0.freq_levels: 2800/8922 2500/7188 2300/6500 2000/5486 1750/4800 1500/4114 1400/3690 1225/3228 1050/2767 875/2306 700/1845 525/1383 350/922 175/461
dev.cpu.0.cx_supported: C1/0 C2/100
dev.cpu.0.cx_lowest: C1
dev.cpu.0.cx_usage: 100.00% 0.00% last 14304us
dev.cpu.1.%desc: ACPI CPU
dev.cpu.1.%driver: cpu
dev.cpu.1.%location: handle=\_PR_.P002
dev.cpu.1.%pnpinfo: _HID=none _UID=0
dev.cpu.1.%parent: acpi0
dev.cpu.1.cx_supported: C1/0 C2/100
dev.cpu.1.cx_lowest: C1
dev.cpu.1.cx_usage: 100.00% 0.00% last 28218us
dev.cpu.2.%desc: ACPI CPU
dev.cpu.2.%driver: cpu
dev.cpu.2.%location: handle=\_PR_.P003
dev.cpu.2.%pnpinfo: _HID=none _UID=0
dev.cpu.2.%parent: acpi0
dev.cpu.2.cx_supported: C1/0 C2/100
dev.cpu.2.cx_lowest: C1
dev.cpu.2.cx_usage: 100.00% 0.00% last 125878us
dev.cpu.3.%desc: ACPI CPU
dev.cpu.3.%driver: cpu
dev.cpu.3.%location: handle=\_PR_.P004
dev.cpu.3.%pnpinfo: _HID=none _UID=0
dev.cpu.3.%parent: acpi0
dev.cpu.3.cx_supported: C1/0 C2/100
dev.cpu.3.cx_lowest: C1
dev.cpu.3.cx_usage: 100.00% 0.00% last 94769us
dev.cpu.4.%desc: ACPI CPU
dev.cpu.4.%driver: cpu
dev.cpu.4.%location: handle=\_PR_.P005
dev.cpu.4.%pnpinfo: _HID=none _UID=0
dev.cpu.4.%parent: acpi0
dev.cpu.4.cx_supported: C1/0 C2/100
dev.cpu.4.cx_lowest: C1
dev.cpu.4.cx_usage: 100.00% 0.00% last 46253us
dev.cpu.5.%desc: ACPI CPU
dev.cpu.5.%driver: cpu
dev.cpu.5.%location: handle=\_PR_.P006
dev.cpu.5.%pnpinfo: _HID=none _UID=0
dev.cpu.5.%parent: acpi0
dev.cpu.5.cx_supported: C1/0 C2/100
dev.cpu.5.cx_lowest: C1
dev.cpu.5.cx_usage: 100.00% 0.00% last 19940us

Anything I can do to help debug the message? or do I just need to
ignore it?


  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."

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