> I've gotten some dup alloc crashes recently, all (I think) on my news partition
> (1.2GB, 835MB used, 225486 files).  I just changed maxcontig from 8 to 1,
> since I think I've had problems with that in the past, however, has anyone
> else been seeing dup alloc crashes?  

This is usually caused by corrupt filesystems.

The filesystem typically gets corrupt through some well-known event
(e.g. crash while debugging SCSI driver, or power failure, or...).

The situation is typically remedied by doing fsck on all affected
partitions.