Re: ext2 errors

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 4 Oct 1997 15:05:29 +0100 (BST)

> > For the ethercard to fall out with the NCR would really require a hardware
> > bug like corruption on back to back DMA from different targets - possible
> > but improbable and almost impossible to find out
> Which kind of back to back DMA do you refer to?

Any kind. Forget the formal "back to back" DMA of PCI - also things like
two DMA's one after another that is "back to back" in the informal sense.
Some chipsets trip up on that kind of stuff, other boards claim to support
it right and don't.

Alan