Date: Tue, 27 Dec 2005 22:16:56 -0800 From: Sam Leffler <sam@errno.com> To: Nate Lawson <nate@root.org> Cc: freebsd-acpi@freebsd.org Subject: Re: hp nx6125 again Message-ID: <43B22DD8.5030406@errno.com> In-Reply-To: <43B22AF0.9000901@root.org> References: <43B21BD2.60406@errno.com> <43B22AF0.9000901@root.org>
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Nate Lawson wrote: > Sam Leffler wrote: > >> I posted a while back about getting a thermal trip whenever I take the >> machine off ac. Zone 3 jumps from ~30C to 150C in 5-10 seconds. I >> received no responses except me-too-style ones. I just started >> looking again and noticed that this only happens when the machine >> boots with ac plugged in, _then_ you move to battery. If you boot on >> battery there is no trip. Also, Linux (Suse 10.0) works fine. No >> thermal trip. > > > Something's not working right with acpi_thermal then. Perhaps it's not > re-evaluating zones and disabling one that is now inactive once the > machine is unplugged. The number of zones (acX) can change when power > state changes. Then it gets an invalid reading and thermal trip occurs. > Put debugging prints in the acpi_thermal re-evaluation code. Been there, done that. See my previous posting a month or so back. No invalid readings. No zone changes. The high temps really seem to be read. > >> The last issue is that like some other folks the system will lockup if >> I let powerd bring the clock down when idle. Lockups are easily >> reproducable but don't appear to be related to any particular state >> (e.g. I saw a lockup in the lowest frequency and also at one above >> lowest--though perhaps it was really switching to the lowest frequency >> and locked up before the printf made it to the console). > > > It depends what drivers your system is using, dmesg | grep cpu. > cpu0: <ACPI CPU> on acpi0 acpi_throttle0: <ACPI CPU Throttling> on cpu0 powernow0: <PowerNow! K8> on cpu0 The processor is a turion64 Mobile M-37. Sam
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