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Date:      Fri, 23 Apr 2010 08:00:33 -0400
From:      Alexandre "Sunny" Kovalenko <Gaijin.K@ovi.com>
To:        freebsd-acpi@freebsd.org
Subject:   Re: "acpi_tz0: _TMP value is absurd" Message
Message-ID:  <20100423080033.414658c9@Nokia-N810-43-7>
In-Reply-To: <654144.74767.qm@web30908.mail.mud.yahoo.com>
References:  <654144.74767.qm@web30908.mail.mud.yahoo.com>

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On Thu, 22 Apr 2010 20:17:56 -0700 (PDT)
B J <top_gun_canada@yahoo.com> wrote:

> I have a second-hand Compaq Presario SR2180NX, which uses a P5LP-LE motherboard.
> 
> I first installed and ran FreeBSD 5.5 without the error message.  I recall that it began appearing after I switched from 6.2 to 6.3 and it still now that I'm running FreeBSD 8.0.
> 
> I created an ASL file, looked at some of the code, and didn't notice anything obvious which might be responsible for the error message.  I sort of got around the problem by adding:
> 
> hw.acpi.thermal.user_override: 0 -> 1
> hw.acpi.thermal.polling_rate: 10 -> 1800
> hw.acpi.thermal.user_override: 1 -> 0
> 
> to a configuration file.  It doesn't fix whatever causes the error, as the message still appears but not as often.
> 
> I installed and ran FreeBSD on two different models of IBM ThinkPad without the error, leading me to believe that there might be an incompatibility between the ACPI code and the P5LP-LE motherboard.
> 
> My question is whether there is a permanent solution to this or if the aforementioned quick fix will have to be sufficient?
> 
> Any advice would be appreciated.  Thank you.
> 
> BMJ
You have changed the frequency of the message from every 10 seconds to every
half an hour. And there is a possibility that you have no thermal management
ATM. If this is satisfactory for whatever you were trying to accomplish, you
can certainly stick to that.
You can also dump your ASL (see instructions in the Handbook) and post it
somewhere, i can grab it from. I could not promise you a fix, but if this is
something easy like BIOS writer forgetting to multiply value by 10 or adding
2733 to it, you should be able to have normal thermal management.

---
Alexandre Kovalenko.

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