> > It might be interesting to see output from
> >
> > 	rpc.debug -m rpc -s cache
> > 	cat /proc/net/rpc/nfsd.export/content
> > 	cat /proc/net/rpc/nfsd.fh/content
> >
> > especially after the problem manifests.
> 
> It's manifested right now, as a matter of fact.
> 
> # cat /proc/net/rpc/nfsd.export/content
> #path domain(flags)
> /usr/src        mutilate.wkstn.nix(rw,no_root_squash,async,wdelay,no_subtree_check,fsid=16,uuid=333950aa:8e3f440a:bc94d0cc:4adae198,sec=1)
> /usr/share/texlive      mutilate.wkstn.nix(rw,no_root_squash,async,wdelay,fsid=7,uuid=5cccc224:a92440ee:b4450447:3898c2ec,sec=1)

You didn't run the "rpcdebug" command first (there is no '.').
That causes the 'content' files to contain extra information which might be
useful.

NeilBrown