ACPI and cpu fan speed on nc6220

Denis piloyder at
Sun Jun 24 20:37:52 UTC 2007

I have FreeBSD 6.2 on Compaq nc6220 laptop.
Sometimes (during portupgrade or other high load) CPU temperature
becomes very high, and laptop can shutdown due to very high
temperature (more than 100 in Celsius). And CPU fan stops at such
moments (or works at very small speed), but sysctl -a | grep
"" shows " 0".
What is also strange: if sysctl variable "
1" I see that cpu fan is running. If in this moment I send "sysctl" than cpu fan stops. If I send "sysctl" I see that cpu fan works again.
But I saw several times " 0" and cpu fan
worked at high speed.
Is this problems with my hardware or with acpi? It seems that I do not
face this problem when run Windows on this laptop.
I will appreciate your answer!

#0: Sun Mar  4 10:16:22 MSK 2007
denis at DENIS.EXAMPLE.COM:/usr/obj/usr/src/sys/MYFIFTH  i386"

sysctl -a | grep acpi:
      acpipwr     5     1K       -        8  32,64
      acpisem    88     6K       -       88  64
      acpidev   125     4K       -      125  32
     acpitask     0     0K       -      267  32
       acpica  2897   160K       -    98453  16,32,64,128,256,512,1024,4096
    acpi_perf     0     0K       -        2  128
debug.acpi.do_powerstate: 1
debug.acpi.acpi_ca_version: 0x20041119
debug.acpi.semaphore_debug: 0
debug.acpi.resume_beep: 0
hw.acpi.supported_sleep_state: S3 S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S3
hw.acpi.lid_switch_state: NONE
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 1
hw.acpi.verbose: 0
hw.acpi.disable_on_reboot: 0
hw.acpi.handle_reboot: 0
hw.acpi.reset_video: 0
hw.acpi.cpu.cx_supported: C1/1 C2/2 C3/38
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00% 0.00% 0.00% 100
hw.acpi.battery.time: -1
hw.acpi.battery.state: 0
hw.acpi.battery.units: 2
hw.acpi.battery.info_expire: 5
hw.acpi.acline: 1
hw.acpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.user_override: 0
hw.acpi.thermal.tz0.temperature: 61.0C 1
hw.acpi.thermal.tz0.passive_cooling: 1
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0._PSV: 100.0C
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 105.0C
hw.acpi.thermal.tz0._ACx: 80.0C 70.0C 55.0C 35.0C -1 -1 -1 -1 -1 -1
hw.acpi.thermal.tz1.temperature: 55.0C -1
hw.acpi.thermal.tz1.passive_cooling: 0
hw.acpi.thermal.tz1.thermal_flags: 0
hw.acpi.thermal.tz1._PSV: -1
hw.acpi.thermal.tz1._HOT: -1
hw.acpi.thermal.tz1._CRT: 103.0C
hw.acpi.thermal.tz1._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
hw.acpi.thermal.tz2.temperature: 34.8C -1
hw.acpi.thermal.tz2.passive_cooling: 0
hw.acpi.thermal.tz2.thermal_flags: 0
hw.acpi.thermal.tz2._PSV: 60.0C
hw.acpi.thermal.tz2._HOT: -1
hw.acpi.thermal.tz2._CRT: 105.0C
hw.acpi.thermal.tz2._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
machdep.acpi_timer_freq: 3579545
machdep.acpi_root: 1041008
dev.acpi.0.%desc: HP 0944
dev.acpi.0.%driver: acpi
dev.acpi.0.%parent: nexus0
dev.acpi_sysresource.0.%desc: System Resource
dev.acpi_sysresource.0.%driver: acpi_sysresource
dev.acpi_sysresource.0.%location: handle=\_SB_.C01D
dev.acpi_sysresource.0.%pnpinfo: _HID=PNP0C01 _UID=0
dev.acpi_sysresource.0.%parent: acpi0
dev.acpi_sysresource.1.%desc: System Resource
dev.acpi_sysresource.1.%driver: acpi_sysresource
dev.acpi_sysresource.1.%location: handle=\_SB_.C002.C003.C24F
dev.acpi_sysresource.1.%pnpinfo: _HID=PNP0C02 _UID=2
dev.acpi_sysresource.1.%parent: acpi0
dev.acpi_sysresource.2.%desc: System Resource
dev.acpi_sysresource.2.%driver: acpi_sysresource
dev.acpi_sysresource.2.%location: handle=\_SB_.C002.C24C
dev.acpi_sysresource.2.%pnpinfo: _HID=PNP0C02 _UID=1
dev.acpi_sysresource.2.%parent: acpi0
dev.acpi_sysresource.3.%desc: System Resource
dev.acpi_sysresource.3.%driver: acpi_sysresource
dev.acpi_sysresource.3.%location: handle=\_SB_.C235
dev.acpi_sysresource.3.%pnpinfo: _HID=PNP0C02 _UID=0
dev.acpi_sysresource.3.%parent: acpi0
dev.acpi_timer.0.%desc: 24-bit timer at 3.579545MHz
dev.acpi_timer.0.%driver: acpi_timer
dev.acpi_timer.0.%location: unknown
dev.acpi_timer.0.%pnpinfo: unknown
dev.acpi_timer.0.%parent: acpi0
dev.acpi_ec.0.%desc: Embedded Controller: GPE 0x10
dev.acpi_ec.0.%driver: acpi_ec
dev.acpi_ec.0.%location: handle=\_SB_.C002.C003.C004
dev.acpi_ec.0.%pnpinfo: _HID=PNP0C09 _UID=0
dev.acpi_ec.0.%parent: acpi0
dev.pci_link.0.%parent: acpi0
dev.pci_link.1.%parent: acpi0
dev.pci_link.2.%parent: acpi0
dev.pci_link.3.%parent: acpi0
dev.pci_link.4.%parent: acpi0
dev.pci_link.5.%parent: acpi0
dev.pci_link.6.%parent: acpi0
dev.pci_link.7.%parent: acpi0
dev.cpu.0.%parent: acpi0
dev.acpi_throttle.0.%desc: ACPI CPU Throttling
dev.acpi_throttle.0.%driver: acpi_throttle
dev.acpi_throttle.0.%parent: cpu0
dev.acpi_throttle.0.freq_settings: 10000/-1 8750/-1 7500/-1 6250/-1 5000/-1 3750
/-1 2500/-1 1250/-1
dev.pcib.0.%parent: acpi0
dev.battery.0.%parent: acpi0
dev.battery.1.%parent: acpi0
dev.acpi_acad.0.%desc: AC Adapter
dev.acpi_acad.0.%driver: acpi_acad
dev.acpi_acad.0.%location: handle=\_SB_.C172
dev.acpi_acad.0.%pnpinfo: _HID=ACPI0003 _UID=0
dev.acpi_acad.0.%parent: acpi0
dev.acpi_button.0.%desc: Sleep Button
dev.acpi_button.0.%driver: acpi_button
dev.acpi_button.0.%location: handle=\_SB_.C1EC
dev.acpi_button.0.%pnpinfo: _HID=PNP0C0E _UID=0
dev.acpi_button.0.%parent: acpi0
dev.acpi_lid.0.%desc: Control Method Lid Switch
dev.acpi_lid.0.%driver: acpi_lid
dev.acpi_lid.0.%location: handle=\_SB_.C1ED
dev.acpi_lid.0.%pnpinfo: _HID=PNP0C0D _UID=0
dev.acpi_lid.0.%parent: acpi0
dev.acpi_tz.0.%desc: Thermal Zone
dev.acpi_tz.0.%driver: acpi_tz
dev.acpi_tz.0.%location: handle=\_TZ_.TZ1_
dev.acpi_tz.0.%pnpinfo: _HID=none _UID=0
dev.acpi_tz.0.%parent: acpi0
dev.acpi_tz.1.%desc: Thermal Zone
dev.acpi_tz.1.%driver: acpi_tz
dev.acpi_tz.1.%location: handle=\_TZ_.TZ2_
dev.acpi_tz.1.%pnpinfo: _HID=none _UID=0
dev.acpi_tz.1.%parent: acpi0
dev.acpi_tz.2.%desc: Thermal Zone
dev.acpi_tz.2.%driver: acpi_tz
dev.acpi_tz.2.%location: handle=\_TZ_.TZ3_
dev.acpi_tz.2.%pnpinfo: _HID=none _UID=0
dev.acpi_tz.2.%parent: acpi0
dev.npxisa.0.%parent: acpi0
dev.attimer.0.%parent: acpi0
dev.attimer.1.%parent: acpi0
dev.atdma.0.%parent: acpi0
dev.atkbdc.0.%parent: acpi0
dev.psmcpnp.0.%parent: acpi0
dev.atpic.0.%parent: acpi0
dev.sio.0.%parent: acpi0
dev.sio.1.%parent: acpi0
dev.ppc.0.%parent: acpi0

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