From mboxrd@z Thu Jan  1 00:00:00 1970
From: Martin Pitt <martin.pitt@ubuntu.com>
Date: Fri, 13 Aug 2010 04:50:29 +0000
Subject: Re: udev and acer batteries
Message-Id: <20100813045029.GE2525@piware.de>
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List-Id: <linux-hotplug.vger.kernel.org>
References: <201008111908.37155.stephane@22decembre.eu>
In-Reply-To: <201008111908.37155.stephane@22decembre.eu>
To: linux-hotplug@vger.kernel.org


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Hello St=E9phane,

St=E9phane Guedon [2010-08-12 21:59 +0200]:
> I have nothing in my bios concerning batteries !

Not in the setup screen, but the BIOS is still responsible for the
ACPI implementation. Unfortunately these often come with pretty
serious bugs :-/

>=20
> 21:51:13 root@luciole:~ # udevadm trigger --verbose --subsystem-
> match=3Dpower_supply
> /sys/devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0003:00/power_supply/ACAD

OK, so it's not a bug with udev at all then.

> So, on your advice, do I have to make a bug report ?
> I use currently gentoo tuxonice kernel, but it seems to be a standard ker=
nel=20
> with only hibernation patch.

I don't know enough about kernel ACPI initialization to know whether
it could be a kernel bug, or is definitively a bug in the BIOS' ACPI
implementation/tables. If you make a kernel bug report, please test
with the latest upstream kernel first, and include the output of
"dmesg", which includes quite a lot of ACPI information.

But perhaps try the BIOS update first that Curtis mentioned?

> On an other thing, I find strange that I can't find your gpg signature in=
 the=20
> ubuntu keyserver, whereas you're a ubuntu "addicted" dev ...

Both my old and my new key are there..

$ gpg --keyserver keyserver.ubuntu.com --search-key martin.pitt@ubuntu.com

Martin

--=20
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)

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