Date: Sun, 17 Feb 2008 01:58:46 +0900 From: Hajimu UMEMOTO <ume@freebsd.org> To: Johannes Dieterich <dieterich.joh@googlemail.com> Cc: freebsd-acpi@freebsd.org Subject: Re: [RFC] Patch to enable temperature ceiling in powerd Message-ID: <ygefxvskfcp.wl%ume@mahoroba.org> In-Reply-To: <47B71194.8090804@gmail.com> References: <20080208045605.15C874500E@ptavv.es.net> <47ABF402.7030904@root.org> <1202475519.7014.7.camel@RabbitsDen> <yge1w7komar.wl%ume@mahoroba.org> <1203126071.833.19.camel@RabbitsDen> <47B6B913.9020505@gmail.com> <ygemyq1jge2.wl%ume@mahoroba.org> <47B6CC48.5070009@gmail.com> <47B6CD54.3020806@gmail.com> <ygeir0okikz.wl%ume@mahoroba.org> <47B71194.8090804@gmail.com>
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Hi,
>>>>> On Sat, 16 Feb 2008 17:38:44 +0100
>>>>> Johannes Dieterich <dieterich.joh@googlemail.com> said:
dieterich.joh> # hw.acpi.thermal.tz1.passive_cooling=1
dieterich.joh> su: hw.acpi.thermal.tz1.passive_cooling=1: command not found
It should be `sysctl hw.acpi.thermal.tz1.passive_cooling=1'.
dieterich.joh> And, yes, my notebook has a fan. It is also running. And running
dieterich.joh> stronger when the load is higher. But somehow it seems to me as if e.g.
dieterich.joh> approx. 4300 rpm's in FreebSD 7 are not quite the same as they are in
dieterich.joh> e.g. SuSE Linux. At least the cooling they give is too small and causing
dieterich.joh> overheat.
Hmm, it's strange to me. I believe that passive cooling is the last
resort as far as your laptop has a fan, and you don't need to rely on
passive cooling under normal conditions.
Sincerely,
--
Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
ume@mahoroba.org ume@{,jp.}FreeBSD.org
http://www.imasy.org/~ume/
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