On Sat, Apr 28, 2001 at 12:41:51PM +0200, Frank van der Linden wrote:
> On Fri, Apr 27, 2001 at 09:19:51PM +0200, Manuel Bouyer wrote:
> > What kind of panic ?
> > You may also want to put each drive on it own channel (as you don't have
> > anything on pciide0:1) it will work better
> 
> Actually, I would currently recommend against this. The VIA chipset
> (certainly rev 0x40, which is the 686B) is known to have problems
> with multiple devices doing bus master DMA simultaneously. 2 drives
> on the same channel should be ok, but there have been well-published
> reports (not just on NetBSD) of file system corruption with heavier
> use of 2 disks on seperate channels.

Do you have more details on this ? Especially which revs of the controller
cause problems ?
This can be worked around in driver.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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