On Jan 4,  9:04pm, riz@redcrowgroup.com (Jeff Rizzo) wrote:
-- Subject: Re: NFS problems

| I actually just ran into a problem like this between 2 NetBSD 2.0 (i386) 
| systems today... NFS over UDP, where client accesses just started 
| hanging until I rebooted the client.  (although, "shutdown -r now" did 
| successfully reboot for me).
| 
| My processes weren't zombies; ps showed them in disk wait;  all other 
| network traffic seemed OK, but NFS just died.  (after some days of being 
| fine, and it's fine again after client reboot)
| 

Try decreasing the read and write sizes on your mounts.

christos