From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?S=E9rgio?= Monteiro Basto Subject: Re: Re: DSDT Change (Compaq Presario 2100) Date: Sat, 03 Jul 2004 02:24:33 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <1088817873.8649.21.camel@darkstar> References: <200405280621.29874.andre@eisenbach.com> <200405291345.51712.andre@eisenbach.com> <20040628213409.GA19468@elf.ucw.cz> <20040702115454.GA12889@elf.ucw.cz> <40E59C64.9050603@eisenbach.com> Reply-To: sergiomb-hHo3WeeoaswVhHzd4jOs4w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <40E59C64.9050603-+hZUvIEKc2q1Z/+hSey0Gg@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Andre Eisenbach , "Francesco P. Lovergine" Cc: Pavel Machek , Erik Meitner , acpi-devel List-Id: linux-acpi@vger.kernel.org On Fri, 2004-07-02 at 18:33, Andre Eisenbach wrote: > Pavel Machek wrote: >=20 > >>>Try your machine on battery, with full load. Monitor battery > >>>temperature. If it gets hot, your battery was not really designed for > >>>this, and forget this... > >>> Pavel > >>> =20 > >>> >=20 > Thanks for the heads up on this, Pavel! >=20 > I did unplug my batter, started an updatedb and compiled firefox,=20 > coreutils and a new kernel. The battery got warm, but not hot.=20 > Definitely not more then when charging it. >=20 > A curious (unrelated) observation: > The ACPI thermal zone temperature indicated about 68 C at most on=20 > battery doing this. However, when the battery was drained and I plugged=20 > the AC back in, the temperature rose and stayed at about 75 C and the=20 > fans worked audibly harder. This continued even after I removed the=20 > battery, so it's not the additional heat from the charging. > I wonder if something else is throttled when on battery. It's not the=20 > CPU though as benchmarks dont slow down on battery anymore after my DSDT=20 > change. >=20 > As far as the DSDT change goes. Pavel, do you think that the kind of=20 > throtteling they do is an effective way to limit battery current draw? > I am getting more battery life now - even with powernow at "performance". >=20 > Cheers. > Andre Hi=20 with cpufreq on kernel 2.4.2x you can get even better "performance" (I guess) http://ftp.linux.org.uk/pub/linux/cpufreq/ About nolapic problem. I understand that you, also, have to put "nolapic" on boot kernel to boot. Well is an old problem on some presarios like my 700.=20 We have one patch that can resolve boot problem, I am testing it and the only problem that I found by now, is that hangs when trying change video output (Fn+F3). the last propose patch on http://bugme.osdl.org/show_bug.cgi?id=3D1269 ah! btw my dir /proc/acpi/thermal_zone/ is empty and laptop lives well with that. cheers, --=20 S=E9rgio M. B. ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com