linux-kernel - Fan level 7 after resume wit 2.6.28-rc3

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Message-ID: <20081105073306.GA3132@x61>
Date:	Wed, 5 Nov 2008 08:33:08 +0100
From:	Tino Keitel <tino.keitel@...ei.de>
To:	ibm-acpi-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Fan level 7 after resume wit 2.6.28-rc3

Hi,

I tried 2.6.28-rc3 (git a75952b) on my ThinkPad X61s, and now the fan
runs at full speed after resume from suspend:

$ cat /proc/acpi/ibm/fan
status:		enabled
speed:		0
level:		auto
commands:	level <level> (<level> is 0-7, auto, disengaged,
full-speed)
commands:	enable, disable
commands:	watchdog <timeout> (<timeout> is 0 (off), 1-120
(seconds))
$ echo mem > /sys/power/state

After resume:

$ cat /proc/acpi/ibm/fan
status:		enabled
speed:		4796
level:		7
commands:	level <level> (<level> is 0-7, auto, disengaged,
full-speed)
commands:	enable, disable
commands:	watchdog <timeout> (<timeout> is 0 (off), 1-120
(seconds))

Setting it back again to "auto" works. After the next suspend cycle, it
is back to level 7.

This doesn't happen with 2.6.27.

Regards,
Tino
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