Date: Sun, 21 Dec 2008 14:14:25 +0100 From: "Paul B. Mahol" <onemda@gmail.com> To: "Nathan Lay" <nslay@comcast.net> Cc: freebsd-current@freebsd.org, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Very serious cooling issues CURRENT/STABLE Message-ID: <3a142e750812210514k6dc41c0o32d7ef57e765dcc8@mail.gmail.com> In-Reply-To: <494DDA1B.6050206@comcast.net> References: <494DDA1B.6050206@comcast.net>
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On 12/21/08, Nathan Lay <nslay@comcast.net> wrote: > acpi.thermal.min_runtime: 0 > hw.acpi.thermal.polling_rate: 10 > hw.acpi.thermal.user_override: 0 > hw.acpi.thermal.tz0.temperature: 37.0C > hw.acpi.thermal.tz0.active: -1 Is this one ever changed? > hw.acpi.thermal.tz0.passive_cooling: 1 > hw.acpi.thermal.tz0.thermal_flags: 0 > hw.acpi.thermal.tz0._PSV: 89.5C > hw.acpi.thermal.tz0._HOT: -1 > hw.acpi.thermal.tz0._CRT: 93.0C > hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 This one means that coling will never be used, why: my output looks like this: hw.acpi.thermal.tz0._ACx: 85.0C 75.0C 60.0C 50.0C -1 -1 -1 -1 -1 -1 > hw.acpi.thermal.tz0._TC1: 5 > hw.acpi.thermal.tz0._TC2: 4 > hw.acpi.thermal.tz0._TSP: 600 You can play with all thermal values once you enable: hw.acpi.thermal.user_override But acpi may redo such values again after some time. You only real workaround is to use modified acpi ASL: it is explained in handbook. In my case I fixed in that way bogus kernel message "_CRT value is absurd, ignored". -- Paul
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