linux-kernel - Re: /proc/acpi/ibm/wan stopped appearing

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Date:	Wed, 27 Aug 2008 16:27:00 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: /proc/acpi/ibm/wan stopped appearing

Henrique de Moraes Holschuh wrote:
> 2. The proper way to control ANY radio's rfkill functions is through the
> rfkill sysfs interface.  That includes thinkpad-acpi's  bluetooth and WWAN.
>   

Do you know what UI-level programs make use of these interfaces now?

> IOW, we may have a regression here.  Please compile thinkpad-acpi with debug
> mode enabled, load it with the "debug=0xffff" and "experimental=1"
> parameters (as far as I remember, WWAN requires "experimental=1" to work,
> without that it will NOT load, and you will NOT get /proc/acpi/ibm/wan or
> anything else WWAN related from thinkpad-acpi), and send me the resulting
> log output from thinkpad-acpi.

Actually, that may be it.  I think I used to load it as a module, and
modprobe.conf set experimental=1, but I don't have an equivalent on the
kernel command line.

I think I'll submit a patch to remove the need for experimental; it's
been working fine for me for 3 years now.

    J
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