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From: Syahrul Sazli Shaharir <sazli@surfopen.com>
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To: Syahrul Sazli Shaharir <sazli@myjaring.net>
cc: acpi-jp@jp.FreeBSD.org
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Date: Sun, 9 Mar 2003 16:21:23 +0800
X-Sequence: acpi-jp 2099
Subject: [acpi-jp 2099] Re: Fan Problem: Gateway Solo 2550
Sender: owner-acpi-jp@jp.FreeBSD.org
X-Originator: sazli@surfopen.com
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+030304

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On Thu, 6 Feb 2003, Syahrul Sazli Shaharir wrote:

> On Thu, 6 Feb 2003, User Takawata wrote:
>
> > In message <200302060529.OAA19032@axe-inc.co.jp>, User Takawata wrote:
> > >In message <20030206114548.D754@widad>, Syahrul Sazli Shaharir wrote:
> > >
> > >>On my laptop, once the cooling fan switches off (normally a few seconds
> > >>after booting), it won't come back on. Active cooling in win98 works ok.
> > >>
> > >>Laptop Model: Gateway Solo 2550
> > >>OS: FreeBSD 5.0-RELEASE
> > >>
> > >It seems that many errors occured in Embedded Controller
> > >transaction.
> > >Try setting   hw.acpi.ec.polling=1 on boot/loader
> > Oh, No.       hw acpi.ec.event_driven
> > Sorry.
>
> That got rid of the Embedded Controller errors, but fan problem still
> persists..

On Gateway Solo 2550, the only stable thermal level seems to be _AC4 (fan
will always spin at that level, albeit at slow speed).

Attached is a little patch to help me live with the situation for now.
(Force all defined _ACx levels to trigger _AL4 / FAN4). Not a good
workaround, but at least it keeps my laptop from frying the next time I
compile something.

btw, I posted some detailed analysis of the problem here:-

http://sazli.surfopen.com/Gateway_Solo_2550/thermal-problem.html

Thanks.

--sazli
cd /open/source; make world
http://pgp.mit.edu:11371/pks/lookup?search=0x382141B4&op=index
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