Date: Sun, 30 Oct 2005 21:31:12 -0800 From: Nate Lawson <nate@root.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: current@freebsd.org Subject: Re: 1kHz noise from C3 sleep Message-ID: <4365AC20.1090607@root.org> In-Reply-To: <20051030220006.nz9hh788f4ock0o8@netchild.homeip.net> References: <200510172310.j9HNAVPL013057@repoman.freebsd.org> <20051018094402.A29138@grasshopper.cs.duke.edu> <435501B9.4070401@samsco.org> <43553162.5040802@root.org> <20051020141023.0ejwdv4dss48wko0@netchild.homeip.net> <4357E137.5090703@root.org> <20051023121338.3e253c97@Magellan.Leidinger.net> <435BD088.30205@root.org> <20051030220006.nz9hh788f4ock0o8@netchild.homeip.net>
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Alexander Leidinger wrote: > Nate Lawson <nate@root.org> wrote: > >>>>> My laptop makes noises when being (more or less) idle (I think I >>>>> enabled >>>>> C3...). Does this mean I should try to change HZ? >>>> >>>> >>>> Sure, you can do it from a tunable (kern.hz I think), you don't have >>>> to recompile. >>> >>> >>> >>> No, a HZ of 100 doesn't work, the laptop still makes noises. And it >>> only has C2, no C3... >> >> >> >> Change to C1 (which is just HLT). If it still makes noise, it's not >> your C2 or C3 sleep. > > > It's the C2 sleep. Any ideas? Try C3, different values of kern.hz. Or earplugs. -- Nate
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