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Date: Mon, 06 Jan 2014 12:38:25 +0000
From: Frank Leonhardt <frank2@fjl.co.uk>
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On 06/01/2014 11:53, eras mus wrote:
> Dear List,
>
> This is the /var/log/messages output
> http://pastebin.com/Td2JetmK
>
>

Based on that output, also check the temperature of motherboard 
components, cooling and so on. It *might* be a software problem (e.g. 
ACPI not turning up fan speed when necessary) but I think you'd better 
check the RAM and possibly the disks first, and then run from a live-CD 
for a while.

Regards, Frank.