Date: Wed, 7 Apr 2010 18:48:08 +1000 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Bartosz Fabianowski <freebsd@chillt.de> Cc: freebsd-acpi@freebsd.org, "Alexandre \"Sunny\" Kovalenko" <gaijin.k@ovi.com> Subject: Re: Spurious thermal shutdowns on Dell Studio 1557 Message-ID: <20100407183846.S35463@sola.nimnet.asn.au> In-Reply-To: <4BBB2DE1.3090004@chillt.de> References: <4BB69279.6060005@chillt.de> <20100403152134.V35463@sola.nimnet.asn.au> <4BB74BC4.9070409@chillt.de> <20100404012906.I35463@sola.nimnet.asn.au> <1270308642.1455.10.camel@RabbitsDen> <4BB764CC.60500@chillt.de> <1270334546.1455.45.camel@RabbitsDen> <4BB7C937.9050106@chillt.de> <1270337076.1455.60.camel@RabbitsDen> <4BB7D71C.7080303@chillt.de> <1270341153.1455.81.camel@RabbitsDen> <4BBB2DE1.3090004@chillt.de>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --0-377526846-1270630088=:35463 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT On Tue, 6 Apr 2010, Bartosz Fabianowski wrote: > > I think some of the frequencies, provided by acpi_throttle and TCC are > > slowing down your machine without really cooling the CPU. > > After a couple of days of testing, I believe this did the trick. I reduced > the number of frequencies as per Alexandre's tip. I also swapped _PSV and > _CRT for good measure (_PSV is now 85°C and _CRT 95°C). > > I just rebuilt OpenOffice.org, using a parallel build that stresses all > cores. The machine did not overheat. The highest temperature it reached was > 84°C for a few minutes. This is still high but not too high. A result, good. > I will try hoovering the air vents and keep my eye on things. If they stay > stable from here, I will not be bothering with Dell support. Great. I'd still like to know what your remaining frequencies are, as I couldn't correlate your previous full set with the throttling N * 12.5%? cheers, Ian --0-377526846-1270630088=:35463--
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