Date: Mon, 08 Oct 2007 15:41:16 +0200 From: Lars Engels <lme@FreeBSD.org> To: Norberto Meijome <freebsd@meijome.net> Cc: FreeBSD Mobile ML <freebsd-mobile@freebsd.org> Subject: Re: Management of Thermal Message-ID: <20071008154116.0o3hvbyxggk400k0@0x20.net> In-Reply-To: <20071008203733.3128f3b6@meijome.net> References: <20071008172756.2aed69e7@meijome.net> <20071008173604.1e449ca2@meijome.net> <20071008111601.kfrb6qt8isw4owc0@0x20.net> <20071008203558.022fd258@meijome.net> <20071008203733.3128f3b6@meijome.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Quoting Norberto Meijome <freebsd@meijome.net>: > On Mon, 8 Oct 2007 20:35:58 +1000 > Norberto Meijome <freebsd@meijome.net> wrote: > >> I'm happy to RTFM....but i don't know where that is :) > > well,i've obviously read the man pages for cpufreq, acpi_thermal and =20 > powerd... > but my brain can't seem to see how it all fits together... cpufreq =20 > is supposed > to be for non-acpi systems...but then if i take it out i can boil water in= 2 > minutes on the CPU... > > cheers, > B Hmm, that doesn't sound so good... What I can see from yoursystl output is that hw.acpi.cpu.cx_lowest is =20 set to C1. You could try to set it to C3. Then the CPU will sleep =20 deeper and has some time to cool down. Another thing I spotted is hw.acpi.thermal.tz0.passive_cooling=3D1 With that setting the CPU is cooled passively AFAIK. So if the fan =20 starts to run, it could be that it is not FreeBSD that tells it so, =20 but the internal sensors. Do you have Windows installed on that Notebook? How warm does the CPU =20 get there? Or with a Linux live CD?
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20071008154116.0o3hvbyxggk400k0>