Hi,
>When loading acpi's 'fan' and 'thermal' modules, the dircetories
>'/proc/acpi/{fan,thermal_zone}' appear, but contain nothing. No
It looks like fan and thermal not present in DSDT on your system.
To make sure you should check for '_TZ' (thermal zone definition) and
'PNP0C0B' (fan device h/w ID) entries in your DSDT.
Look here for reference: http://acpi.sourceforge.net/dsdt/index.php
Regards.
Konstantin.
>-----Original Message-----
>From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi-
>owner@xxxxxxxxxxxxxxx] On Behalf Of Alon Keren
>Sent: Thursday, May 25, 2006 4:25 PM
>To: linux-acpi@xxxxxxxxxxxxxxx
>Cc: haizaar@xxxxxxxxx
>Subject: ACPI's 'thermal_zone' and 'fan' on XW6200, kernel 2.6.15
>
>Hi,
>my machine is HP's XW6200 desktop, running LFS with a 2.6.15 kernel.
>When loading acpi's 'fan' and 'thermal' modules, the dircetories
>'/proc/acpi/{fan,thermal_zone}' appear, but contain nothing. No
>complaints appear on 'dmesg', and other modules ('button' and
>'processor') seem to behave well.
>I wish to find out whether the problem is due to hardware limitations,
>software limitations, or perhaps software configuration, and I'm not
>sure how to go about it. I write here as I failed to come up with much
>elsewhere online.
>
>Some further information that could be helpful:
>> zgrep -i acpi /proc/config.gz
>
># Power management options (ACPI, APM)
># ACPI (Advanced Configuration and Power Interface) Support
>CONFIG_ACPI=y
>CONFIG_ACPI_SLEEP=y
>CONFIG_ACPI_SLEEP_PROC_FS=y
># CONFIG_ACPI_SLEEP_PROC_SLEEP is not set
>CONFIG_ACPI_AC=m
>CONFIG_ACPI_BATTERY=m
>CONFIG_ACPI_BUTTON=m
>CONFIG_ACPI_VIDEO=m
>CONFIG_ACPI_HOTKEY=m
>CONFIG_ACPI_FAN=m
>CONFIG_ACPI_PROCESSOR=m
>CONFIG_ACPI_HOTPLUG_CPU=y
>CONFIG_ACPI_THERMAL=m
>CONFIG_ACPI_ASUS=m
>CONFIG_ACPI_IBM=m
>CONFIG_ACPI_TOSHIBA=m
>CONFIG_ACPI_BLACKLIST_YEAR=0
>CONFIG_ACPI_DEBUG=y
>CONFIG_ACPI_EC=y
>CONFIG_ACPI_POWER=y
>CONFIG_ACPI_SYSTEM=y
>CONFIG_ACPI_CONTAINER=m
>CONFIG_X86_ACPI_CPUFREQ=m
>CONFIG_X86_POWERNOW_K7_ACPI=y
>CONFIG_X86_POWERNOW_K8_ACPI=y
>CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI=y
># CONFIG_X86_ACPI_CPUFREQ_PROC_INTF is not set
>CONFIG_HOTPLUG_PCI_ACPI=m
>CONFIG_HOTPLUG_PCI_ACPI_IBM=m
>CONFIG_PNPACPI=y
># CONFIG_SERIAL_8250_ACPI is not set
>
>Thanks,
> Alon
>
>P.S.
>Please CC me, as I'm not subscribed to this list.
>-
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