Date: Tue, 1 Dec 2009 15:59:53 -0500 From: Steven Friedrich <freebsd@insightbb.com> To: "illoai@gmail.com" <illoai@gmail.com>, questions@freebsd.org Subject: Re: ACPI temperature Message-ID: <200912011559.53319.freebsd@insightbb.com> In-Reply-To: <d7195cff0911301359v261d72b6g504fbba84ed46f92@mail.gmail.com> References: <200911291024.06896.freebsd@insightbb.com> <200911292020.55799.freebsd@insightbb.com> <d7195cff0911301359v261d72b6g504fbba84ed46f92@mail.gmail.com>
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On Monday 30 November 2009 04:59:51 pm you wrote: > 2009/11/29 Steven Friedrich <freebsd@insightbb.com>: > > On Sunday 29 November 2009 11:03:28 am you wrote: > >> 2009/11/29 Steven Friedrich <freebsd@insightbb.com>: > >> > I booted my HP Pavilion zd8215us and I immediately invoked > >> > chkCPUTemperature. The first temp reported was 52C, which is 125.6F. > >> > This leads me to believe that acpi has an anomaly regarding > >> > temperature measurement. The ambient temp was 71F (21.6C). The machine > >> > had been off for over eight hours. > >> > >> I'm not sure. My laptop shows about 59C as soon as I can > >> log in, in a room kept around 16C ambient. It rather quickly > >> drops to <40C if I let it idle with powerd doing its thing. > > > > Thanks for the response. One question though, what OS are you running. > > > > The reason I ask is because I want to discover if it's FreeBSD specific > > or possibly affecting Linux distros as well. And if you're running > > FreeBSD, which version. > > I think CPU use/temp during boot-up _could_ vary a lot from > one operating system to another, I don't know that it must, > though, since the whole business is arcane and full of magic > (much like poutine). > > FreeBSD 8.0-RELEASE #1: Mon Nov 23 13:47:06 EST 2009 > amd64 > > It's a turion x2 of 1990MHz > > I only had windows on long enough to burn one CD back in > February, so I have not the least clue how it behaved (besides > terribly). > > I can't find any way to get the actual temperature values under > Opensolaris, but I do dual boot. It spends so much time starting > so many mind-bogglingly worthless services prior to giving me > a log-in prompt that I'm not sure the comparison is fair. The fan > usually kick into high prior to the log-in prompt, though. > > Opensolaris is pretty horrible in terms of performance and battery > life compared to FreeBSD. It's also like a strange, alien wasteland > what with bash & gnome & other linuxisms, except pfexec. > pfexec rocks. > I wasn't thinking that the actual temperature varied from one OS to another, I was thinking that Linux might have a different version of ACPI or that FreeBSD might have a bug that Linux doesn't.
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