linux-kernel - Re: [Regression] - 2.6.32-rc5 hangs using rfkill on an eeePC

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Date:	Fri, 16 Oct 2009 23:23:01 +0200
From:	Fabio Comolli <fabio.comolli@...il.com>
To:	Frans Pop <elendil@...net.nl>
Cc:	linux-kernel@...r.kernel.org, rjw@...k.pl,
	Darren Salt <linux@...mustbejoking.demon.co.uk>,
	linux-wireless@...r.kernel.org
Subject: Re: [Regression] - 2.6.32-rc5 hangs using rfkill on an eeePC

Hi.

On Fri, Oct 16, 2009 at 10:46 PM, Frans Pop <elendil@...net.nl> wrote:
> Fabio Comolli wrote:
>> Pressing rfkill button on my eeePC 900 to disable wireless hangs the
>> system.
>>
>> In console I can see (warning: what follows is copied by hand):
>>
>> acpid: client 148[6:100] has disconnected
>> ACPI group/action not found: hotkey / ATKD
>> unregister netdevice: waiting for wlan0 to become free; usage count=1
>> (last line repeats forever). Hard reset is needed.
>>
>> With any previous kernel version (I'm running -rc4 right now) everything
>> works:
>>
>> ACPI group/action undefined: hotkey / ATKD
>> ath5k 0000:01:00.0: PCI INT A disabled
>
> AFAICT there are only two commits since -rc4 that are likely candidates:
>
> commit b56ab33d68638e6aafdbfc694025e8354a628f49
> Author: Darren Salt <linux@...mustbejoking.demon.co.uk>
> Date:   Tue Oct 13 00:13:33 2009 +0200
>    eeepc-laptop: Prevent a panic when disabling RT2860 wireless when
>                  associated
>
> commit 0af49167b1e5ba154e90d2c454bf4624ee47df80
> Author: Darren Salt <linux@...mustbejoking.demon.co.uk>
> Date:   Wed Oct 14 02:19:22 2009 +0100
>    Staging: rt2860sta: prevent a panic when disabling when associated
>
> They look related and which one is relevant for you probably depends on
> which driver you're using.
>
> Could you try reverting them both to see if that solves the problem?

I already answered my own post in the thread: the culprit is:

eeepc-laptop: Prevent a panic when disabling RT2860 wireless when associated

Funnily enough, my eeePC has an Atheros card.

>
> Cheers,
> FJP
>

Regards,
Fabio
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