Bug 12055

Summary:	FAN ALWAYS ACTIVE
Product:	ACPI	Reporter:	Claudio Melis (mebitek)
Component:	Power-Fan	Assignee:	ykzhao (yakui.zhao)
Status:	REJECTED WILL_NOT_FIX
Severity:	normal	CC:	acpi-bugzilla
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.27.6	Subsystem:
Regression:	---	Bisected commit-id:
Attachments:	dmesg output acpi dump attachment

Description Claudio Melis 2008-11-17 13:20:33 UTC

Latest working kernel version: not know
Earliest failing kernel version: 2.6.27.6
Distribution: sabayon
Hardware Environment: Intel(R) Core(TM)2 CPU         T5600  @ 1.83GHz
Software Environment: kde desktop
Problem Description: fan is always on. no files in /proc/acpi/fan

Steps to reproduce:

Comment 1 Claudio Melis 2008-11-17 13:21:06 UTC

Created attachment 18891 [details]
dmesg  output

Comment 2 ykzhao 2008-11-17 16:33:42 UTC

Will you please attach the output of acpidump?
Thanks.

Comment 3 Claudio Melis 2008-11-18 12:09:56 UTC

Created attachment 18917 [details]
acpi dump attachment

Comment 4 Claudio Melis 2008-11-18 12:10:23 UTC

attachment added. thank u.

Comment 5 ykzhao 2008-11-18 18:22:35 UTC

Hi, Claudio
    thanks for the info.
    From the acpidump it seems that there is no ACPI fan device.  At the same time there exists an ACPI device with the HID of "ATK0100".  But the fan device can't be controlled by the asus platform driver.Maybe the fan device is controlled by BIOS instead of Linux ACPI.  
    As the FAN device is not controlled by ACPI, linux acpi has nothing to do. So the bug will be rejected.
    Thanks.