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Open Source and information security mailing list archives
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Date: Wed, 13 Aug 2008 22:55:19 +0200 From: Pavel Machek <pavel@...e.cz> To: Henrique de Moraes Holschuh <hmh@....eng.br> Cc: Milan Broz <mbroz@...hat.com>, Andi Kleen <andi@...stfloor.org>, kernel list <linux-kernel@...r.kernel.org>, ACPI mailing list <linux-acpi@...r.kernel.org> Subject: Re: 2.6.27-rc1: critical thermal shutdown on thinkpad x60 > > > thinkpad-acpi will regard 128 and -128 as invalid sensors, because that's > > > how they are used in some BIOSes (and ECs). We used to bother only with > > > -128, but Lenovo did something wierd in one of the EC firmwares and I had to > > > add +128 too. That masks the "help, I am melting" reading. > > > > It was simpler than that. I did not pass "fan_control=1" option. > > > > (Actually... I do not think that option is needed. If fan control is > > known to work, it should be just enabled...) > > I require explicit user permission to activate knobs that are that > dangerous, and actively frowned upon by the manufacturer. Well, it is not more dangerous than 2.6.26.2 (will overheat your thinkpad, causing critical shutdown). Plus, acpi fans are controllable/overridable by default from /proc, and 'echo "level 7" > fan' is not something you can do accidentally... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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