[Beowulf] Odd SuperMicro power off issues
Nifty Tom Mitchell
niftyompi at niftyegg.com
Tue Apr 7 20:13:44 EDT 2009
On Mon, Apr 06, 2009 at 10:53:21PM +1000, Chris Samuel wrote:
> power off on a Shanghai node!
> We've got over half the machine changed over so far,
> and some of them have been in for a fair while, so it
> does seem to be statistically significant.
> We know it's not the BIOS update as we've done some
> in advance of getting Shanghai's in and they've still
> powered off with Barcelona.
Power off is one of those BIOS + ACPI things.
Do check for a BIOS update. Toggle between APM
and ACPI if the BIOS permits.
Not a great link but a start:
See the 'interpreter' bits and if available update
yours (OS side of it).The CentSO man page for acpid
makes this note.... and since you have a 'newer' processor
do look into it.
Please make sure you are using the latest ACPI code possible. This is
T o m M i t c h e l l
Found me a new hat, now what?
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