SuperMicro X5DP8-G2MB/(2)XEON 2.4/1GB RAM 5.4-S Freeze

Marc Olzheim marcolz at
Tue Apr 19 01:38:10 PDT 2005

On Tue, Apr 12, 2005 at 05:01:43PM +0200, Marc Olzheim wrote:
> On Tue, Apr 12, 2005 at 10:40:10AM -0400, Don Bowman wrote:
> > The problem is with the periodic SMM interrupt and the bios.
> > 
> > The attached program (ich-periodic-smm-disable.c) will fix the problem.
> > For more information on what it does, see the Intel ICH3 datasheet.
> > 
> > compile as 'gcc ich-periodic-smm-disable.c; ./a.out' and you will be
> > good.
> > Run this on each boot.
> > 
> > I think you only need to clear PERIODIC_EN.
> Ok, I'll try it right away, thanks a lot!

This clearly solves it. The machines are now up for longer than a week
for the first time since I booted FreeBSD 5.x on them.

Thanks again!

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