On Wed, Nov 24, 2004 at 04:42:09PM -0800, john heasley wrote:
> I do not believe it is particular to a given CPU, but specific to some
> work load.  For example; cause the file cache to use all the available
> memory while doing a build, then run sync.
> 
> ATM, it appears that either something is trodding on pmap structures or
> using them without initializing.  Could be locking, where some mapping
> is released and something else tries to access it at the same time.

Hum, are registers from PCI devices in I/O space mapped using the pmap ?
If so maybe it could explain a strange behavior on my U5 ...

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--