From: Len Brown <lenb@kernel.org>
To: Luming Yu <luming.yu@gmail.com>
Cc: Peter Clifton <pcjc2@cam.ac.uk>, linux-acpi@vger.kernel.org
Subject: Re: HP Compaq nc6320 - Booting on battery power causes softlock
Date: Tue, 16 Jan 2007 22:15:34 -0500 [thread overview]
Message-ID: <200701162215.34627.lenb@kernel.org> (raw)
In-Reply-To: <3877989d0701161904u6ef2b931t99b79d92dd974f2a@mail.gmail.com>
try also "apm=off" -- since the ACPI/APM dependency checking
is currently broken in some configs.
On Tuesday 16 January 2007 22:04, Luming Yu wrote:
> The first thing is to make sure you are running the latest bios, kernel.
> Then, you need to sort out the kernel component/modules/drivers that
> cause the problem.
> If you guess it is ACPI issue, pleas test boot option acpi=off to see
> if the problem goes away. If you guess it is battery issue, please
> remove battery module, etc.
> Please don't forget to enter a bug in bugzilla.kernel.org.
>
> Thanks,
> Luming
>
> On 1/17/07, Peter Clifton <pcjc2@cam.ac.uk> wrote:
> > Hi, I've got an issue with my HP Compaq nc6320, where it won't boot off
> > its battery without softlocking on CPU#0. I remember it booting ok off
> > battery occasionally in the past, but once I've seen the fault - the
> > only way I can get it to boot is off AC. (I usually boot off AC anyway).
> >
> > I'm presuming ACPI as a good starting point, since that is an area where
> > AC / Battery may make a difference.
> >
> > Can anyone suggest a debugging procedure to identify the cause of a
> > softlock, and where would be appropriate (which category) to file a
> > kernel bug for this?
> >
> >
> -
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>
next prev parent reply other threads:[~2007-01-17 3:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-17 2:56 HP Compaq nc6320 - Booting on battery power causes softlock Peter Clifton
2007-01-17 3:04 ` Luming Yu
2007-01-17 3:15 ` Len Brown [this message]
2007-01-17 14:21 ` Peter Clifton
2007-01-17 15:52 ` Peter Clifton
2007-02-03 15:02 ` Peter Clifton
2007-02-03 15:10 ` Peter Clifton
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