Date: Thu, 16 Dec 2004 20:07:58 +0300 From: "Alex Zatelepin" <mvzp10@cln.ru> To: freebsd-mobile@freebsd.org Subject: Re: Laptop fan problem. Message-ID: <web-5067190@ihome.ru> In-Reply-To: <1103201718.995.22.camel@RabbitsDen> References: <20041216115146.4683343D55@mx1.FreeBSD.org> <1103201718.995.22.camel@RabbitsDen>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, 16 Dec 2004 07:55:18 -0500 "Alexandre \"Sunny\" Kovalenko" <Alex.Kovalenko@verizon.net> wrote: > On Thu, 2004-12-16 at 11:51 +0000, Alex Zatelepin wrote: >> X-Mailer: CommuniGate Pro WebUser Interface v.4.2.7 >> Date: Thu, 16 Dec 2004 14:51:40 +0300 >> Message-ID: <web-5061383@ihome.ru> >> MIME-Version: 1.0 >> Content-Type: text/plain; charset="windows-1251"; format="flowed" >> Content-Transfer-Encoding: 8bit >> >> Hello. I have a toshiba M30 laptop, on which I have installed >>freebsd >> 5.3. I have enabled speedstep support with est and estctrl ports and >> it seems to work except a little problem: the fan almost never turns >> on and laptop turns really HOT! I have tried to change some sysctls >> but they seem to be non-writable. here they are: >> >> % sysctl -a|grep thermal >> hw.acpi.thermal.min_runtime: 0 >> hw.acpi.thermal.polling_rate: 10 >> hw.acpi.thermal.tz0.temperature: 3512 >> hw.acpi.thermal.tz0.active: -1 >> hw.acpi.thermal.tz0.thermal_flags: 0 >> hw.acpi.thermal.tz0._PSV: 3912 >> hw.acpi.thermal.tz0._HOT: -1 >> hw.acpi.thermal.tz0._CRT: 3922 >> hw.acpi.thermal.tz0._ACx: 3912 3912 -1 -1 -1 -1 -1 -1 -1 -1 >> >> 391,2 K -- I think it is rather high :) How to change this or make >>the >> fan turn on more frequently? >> _______________________________________________ >> freebsd-mobile@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-mobile >> To unsubscribe, send any mail to >>"freebsd-mobile-unsubscribe@freebsd.org" > > In the simplest case, you need to look for something like > > Method(_AC0) { Return "some temperature" } > Method(_AC1) { Return "some temperature" } > > in your ASL and change it to something lower. You will have to >recompile > you ASL and load it at the boot time after that. ACPI section of the > Handbook is very helpful. > > You have not mentioned what FreeBSD version you are running -- by >the > look of the output, I would guess 5.1 or 5.2. If this is the case, >you > might want to consider upgrade to 5.3--stable, ACPI have seen > considerable amount of change. > -- > Alexandre "Sunny" Kovalenko (Олександр Коваленко) > Read carefully, I said I have 5.3 installed :) But, if I have to recompile ASL why does it work properly on windows? I have attached output from 'acpidump -t -d', it is very obscure for me. The lines you wrote about: Method (_AC0, 0, NotSerialized) Return (\_SB.MEM.AC01) Method (_AC1, 0, NotSerialized) Return (\_SB.MEM.AC11) Is it safe to change them? Again, is there another way?
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?web-5067190>