Date: Tue, 18 Apr 2006 21:12:47 -0400 From: "Alexandre \"Sunny\" Kovalenko" <Alex.Kovalenko@verizon.net> To: Marcin Koziej <creep@desk.pl> Cc: freebsd-acpi@freebsd.org Subject: Re: Acpi thermal/powerd not keeping up. Message-ID: <1145409167.3786.7.camel@RabbitsDen> In-Reply-To: <4443D7D9.4030109@desk.pl> References: <4443D7D9.4030109@desk.pl>
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On Mon, 2006-04-17 at 20:00 +0200, Marcin Koziej wrote: > Hello, > > I use STABLE with acpi_perf and powernow module on Athlon64 cpu with > Cool`n'Quiet. I have two problems I'd like to ask advice for: > > 1. Is there a way to improve time frequency of temp zones' temperature > info ? On heavy load I can get over 10 deg. jump with which powerd > cannot keep up (I use patched version which tries to use passive cooling > (drop cpu freq) when temperature is too high). > > 2. If I start the system after overheating shutdown, the system heats up > again, because the passive cooling can only start after the kernel has > boot'ed. If the partitions are fsck'ed, it can get even worse. > > Thoughts appreciated, > > m. > _______________________________________________ > freebsd-acpi@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-acpi > To unsubscribe, send any mail to "freebsd-acpi-unsubscribe@freebsd.org" You have not provided too much detail on your thermal zone configuration, but, assuming you have one defined, you should be able to set hw.acpi.thermal.polling_rate to the desired frequency (in seconds). I honestly do not remember where does default (10 seconds on my system) come from. I have seen (2) on my laptop as well, but this was the result of hardware problem -- heatsink not aligned well with the CPU. After using crowbar and some thermal grease on it the problem disappeared. HTH, -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)
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