Problems with em0 driver after upgrade to r303832

[Pete French]

Bit more testing on this, and I think it was a false alarm and my problem
was actually hardware related. Moving to a different PCI slot
stopped the problem happening. The original ethernet card is now
dead however, and the slow has burn marks on it - which makes me
think ,it isnt software really ;) Appologies for the noise, it just
coincided with an upgrade and I didnt expect the slot to be at fault after
trying three cards (though that was the logical next step)

-pete.