another radical concept...Re: [Beowulf] Cooling vs HW replacement

Chris Samuel csamuel at vpac.org
Wed Jan 19 23:05:35 EST 2005


On Wed, 19 Jan 2005 08:33 am, Greg Lindahl wrote:

> This is already done; the Pentium 4 dynamically freezes for 1
> microsecond at a time when it is too hot.

The 2.6 Linux kernel can detect these and logs them if you make sure you've 
enabled:

 CONFIG_X86_MCE_P4THERMAL

when you build your kernel.

See ./arch/i386/kernel/cpu/mcheck/p4.c for more details..

Chris
-- 
 Christopher Samuel - (03)9925 4751 - VPAC Systems & Network Admin
 Victorian Partnership for Advanced Computing http://www.vpac.org/
 Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia

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