Date: Thu, 06 Aug 2009 22:32:41 -0500 From: Robert Noland <rnoland@FreeBSD.org> To: "C. C. Tang" <hiyorin@gmail.com> Cc: freebsd-acpi@freebsd.org Subject: Re: acpi_task_0 consuming cpu resource Message-ID: <1249615962.1773.150.camel@balrog.2hip.net> In-Reply-To: <4A7B949B.7010003@gmail.com> References: <4A7B949B.7010003@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 2009-08-07 at 10:42 +0800, C. C. Tang wrote: > Hi. > > I have a system with Intel D945GCLF2 motherboard with Atom CPU. > I found that when I enable auto speed regulation of case fan. > FreeBSD will have a process "acpi_task_0" which consume all resource of > one of the core of the CPU. > The fan seems fail to change RPM itself. Is there any solution to this > problem without disabling the auto speed regulation? > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU > COMMAND > 7 root 1 8 - 0K 8K CPU1 0 124:29 100.00% > acpi_task_0 > 12 root 1 171 ki31 0K 8K RUN 0 177:23 95.26% > idle: cpu0 > 11 root 1 171 ki31 0K 8K RUN 1 61:20 1.07% > idle: cpu1 I have one of these boards, but I haven't seen this with -CURRENT. There are known fan issues with some of the BIOS revisions for these boards. I would make sure you have the latest BIOS update and see if it resolves your issue. robert. > Thanks very much. > C.C. > _______________________________________________ > 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" -- Robert Noland <rnoland@FreeBSD.org> FreeBSD
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1249615962.1773.150.camel>