> > I may have found the problem.  I'm certain I've found _a_ problem.
> 	But then that (I don't think) explains why I got it when
> my system was completely NFS mounted (root and swap).

I think you get swap_pager_clean errors whenever there is a problem with 
writing to the swap device. I used to get it with old versions of the SCSI 
code that wouldn't tell/allow the Sun QIC 150 to disconnect from the bus 
during versious operations (like rewind). 

Cheers,
Lloyd