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Date: Thu, 29 May 2008 06:00:40 -0500
From: eculp <eculp@encontacto.net>
To: "YAMAMOTO, Taku" <taku@tackymt.homeip.net>
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Cc: freebsd-current <freebsd-current@freebsd.org>
Subject: Re: overheating problem with Acer Aspire 5520-5679 AMD-64
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Quoting "YAMAMOTO, Taku" <taku@tackymt.homeip.net>:

> On Wed, 28 May 2008 06:27:31 -0500
> eculp <eculp@encontacto.net> wrote:
>
>> I am running up to date current amd64 and am having issues with the
>> laptop just stopping with no warning and it seems to be due to
>> overheating.  If I keep the room temp cooler or keep air circulating
>> under it, it doesn't happen.
>
> Try increasing sysctl kern.sched.idlespinthresh to, say, 7, 15 or 100.
> I wonder the default threshold is too low for anything but busy servers.

The default was 4, I am trying 15 to see if there is a notable  
difference while I'm monitoring the results as Scot suggested.  At  
least I have gone almost 24 hours without a fan aimed directly at the  
bottom of the laptop and all is still well.

Thanks for your help,

ed

>
>
> --
> -|-__   YAMAMOTO, Taku
>  | __ <     <taku@tackymt.homeip.net>
>
>       - A chicken is an egg's way of producing more eggs. -
>