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From: John Baldwin <jhb@freebsd.org>
To: acpi-jp@jp.FreeBSD.org
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Cc: Vicknesan AYADURAI <vicknesan@bigfoot.com>
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Date: Thu, 25 Mar 2004 13:17:04 -0500
X-Sequence: acpi-jp 3149
Subject: [acpi-jp 3149] Re: ACPI panics 4.9-RELEASE kernel upon bootup!
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On Thursday 25 March 2004 02:34 am, Vicknesan AYADURAI wrote:
> Hi all,
>
> Would just like to point out that the first part of the line (from the
> on-line handbook Sec 6.16.3.3):
>
> "Panics are relatively rare for ACPI and are the top priority to be
> fixed."
>
> is FALSE -- and I'm sincerely hoping the second part of the sentence
> is TRUE!

Please read the notes regarding ACPI in LINT before enabling it:

# Note that this ACPI support is experimental and it's use may result in
# machine hangs or kernel panics.

The statement that you quoted above applies to the non-experimental ACPI 
support in 5.x.

> Incidentally, I did do an install of 5.2.1-RELEASE and that booted up
> OK with ACPI - insofar as the fan going quiet during the bootup
> sequence just like in 4.9, but with no subsequent kernel panics.
> However, battery levels don't seem recognizable (with the 'acpiconf -i
> 0' command), and standby, shutdown, etc., with the 'acpiconf -s X'
> commands causes the notebook to freeze. I tried out the 5.2.1-R just
> to check out if FBSD's ACPI works at all on the notebook, but will
> have to revert back to 4.9 since I need to support an array of legacy
> applications built on 4.x).

You can install the compat4x dist to run 4.x binaries on a 5.x system.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
