Random shutdowns

Derek Burdick derek at burdick.cc
Fri Apr 1 16:38:17 MST 2005


A CPU running hot will report through ACPI as well.  I would imagine 
once it became critical that the motherboard would shut itself down, or 
atleast it should.

Ryan Erickson wrote:

>If the fan that was failing was 3-wire, it reports whether it's spinning
>to the motherboard, and if it's not spinning, maybe that causes some
>sort of ACPI message to go to the kernel, causing the shutdown.
>
>Ryan
>
>On Fri, 2005-04-01 at 11:00 -0700, Kenneth Burgener wrote:
>  
>
>>Stephen Smith wrote:
>>    
>>
>>>Flash back!
>>>      
>>>
>>Well, I believe the problem was overheating protection kicking in.  The 
>>back fan on the computer was jammed and no longer spinning (and boy was 
>>that fan hot).  The fan's was connected to one of the motherboard's fan 
>>power pins.  I replaced that tinny fan, and I haven't had any reboot 
>>problems.
>>
>>I assume that this is just the CPU overheating protection that is listed 
>>in the BIOS, but my assumption is that it would cause an immediate hard 
>>power off.  Why was I getting shutdown listings in the message log?
>>
>>Weird.
>>
>>Kenneth
>>
>>
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>>



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