[Beowulf] strange PXE reboot behavior

[Erwan Velu]

Geoff Galitz a écrit :

>
>
> Hello folks,
>
>
> We have a strange problem.  We have 20 nodes with SE7501CW2
> motherboards, and about 5 of them seem to fail their POST and reboot
> only when the gigabit NIC is plugged into a gigabit switch.  If we
> unplug it, the node functions normally.  If we plug it in after the 
> system
> comes up, it crashes immediately.
>
You may try to upgrade the bios to the 1.07 Release,
http://downloadfinder.intel.com/scripts-df/Detail_Desc.asp?agr=N&ProductID=925&DwnldID=6209

It could helps.

If you already runs the 1.07 try to clear the CMOS and load a fresh 
configuration.

What do you mean by "it crashes immediately", what is crashing and how 
does it crashes ?