On Monday 31 July 2006 09:35, Oliver Fromme wrote: > John Baldwin wrote: > > Mike Jakubik wrote: > > > I tried that, unfortunately it does not work. All i want to know is if > > > this a shortcoming of freebsd or the motherboard, if its the later, i > > > will contact the manufacturer. > > > > If ACPI doesn't include the sysctl's that's due to your BIOS, not FreeBSD. > > You can verify by doing an acpidump and seeing if you have any thermal > > zones listed in your ASL. > > I have a similar problem. This is what sysctl says: > > hw.acpi.thermal.tz0.temperature: 8.3C > hw.acpi.thermal.tz0.active: -1 > hw.acpi.thermal.tz0.passive_cooling: 1 > hw.acpi.thermal.tz0.thermal_flags: 0 > hw.acpi.thermal.tz0._PSV: 9.8C > hw.acpi.thermal.tz0._HOT: -1 > hw.acpi.thermal.tz0._CRT: 31.3C > hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 > dev.acpi_tz.0.%desc: Thermal Zone > dev.acpi_tz.0.%driver: acpi_tz > dev.acpi_tz.0.%location: handle=\_TZ_.THM0 > dev.acpi_tz.0.%pnpinfo: _HID=none _UID=0 > > The value of tz0.temperature is always 8.3C and never seems > to change. In reality it should be rathe 20C and change > slightly during day and night. > > This is an excerpt from "acpidump -d" on that machine, which > seems to imply that it _should_ support thermal readings > (but I'm not a low-level ACPI expert): > > Scope (_TZ) > { > Name (\TEMP, 0x0AFF) > ThermalZone (THM0) > { > Name (_TSP, 0x3C) > Name (_TC1, 0x04) > Name (_TC2, 0x04) > Name (_PSL, Package (0x01) > { > \_PR.CPU0 > }) > Method (_PSV, 0, NotSerialized) > { > Store ("_PSV Method", Debug) > Return (0x0B0E) > } > Method (_SCP, 1, NotSerialized) > { > Notify (THM0, 0x81) > } > Method (_TMP, 0, NotSerialized) > { > Store ("_TMP Method", Debug) > Return (TEMP) > } > Method (_CRT, 0, NotSerialized) > { > Store ("_CRT Method", Debug) > Return (0x0BE5) > } > } > } > > Is it a bug in the ACPI BIOS or a bug in FreeBSD code?
Well, your _TMP method just returns the TEMP constant. It may be that your BIOS is supposed to be overwriting the TEMP constant periodically. It's not a bug in FreeBSD though. -- John Baldwin _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"