Date: Mon, 23 Aug 2004 13:08:31 -0700 From: Nate Lawson <nate@root.org> To: lebabouk@yahoo.fr Cc: freebsd-acpi@freebsd.org Subject: Re: FAN control howto Message-ID: <412A4EBF.8060009@root.org> In-Reply-To: <20040823195637.GA2605@gicco.homeip.net> References: <5B8FDFFC-F524-11D8-B83E-000A95747694@yahoo.fr> <20040823195637.GA2605@gicco.homeip.net>
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Hanspeter Roth wrote: > On Aug 23 at 20:49, LeBaBouk spoke: >>I've installed FreeBSD 5.2.1 on a Compaq B1013 laptop. All is quite >>fine but the machine remain very noisy. The FAN never stop. Does any >>one knows how to control them (if it's possible) > > The fan is probably controlled via the CPU. > Is CPU running at 100%? Is the idle process consuming >=98%? > If so my might have the WITNESS option enabled in the kernel > configuration. If so try without WITNESS. Not likely the reason but worth looking into. He should try a more recent 5.3-BETA. Unfortunately, if the fans are controlled by the BIOS and not ACPI (i.e. no fan objects referenced by the thermal zone) there's not much we can do. -- Nate
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