Linux (client) - FreeBSD (server) NFS4 interoperability problem

[Rick Macklem]

> Hello,
> 
> I am setting up an experimental (kerberized) NFSv4 server on FreeBSD
> 8.1-RELEASE-p1 and while between fBSD server and client it seems to
> work
> more or less ok, while connecting from Linux (Ubuntu), I am not able
> to
> read any file contents. Walking through dirs is ok, but when clients
> asks for a file, it freezes.
> 
> As I noticed in the list, tcpdump may be useful, so I made one, see
> attached file.
> 
> Although I am not an nfs expert, when I opened the dump in WireShark
> it
> seems to me, that server does not respond to packet #83, Compound Call
> containing OPEN opcode. That is probably the thing which disturbes
> Linux
> client. But why? It is beyond my capabilities.
> 
> What can I do to make i work? Is it me or server, who si broken?
> 
I'll take a look at the packet dump when I get home in a couple of
days. The main thing I'd suggest is trying a non-Kerberized NFSv4
mount from Linux->FreeBSD and see how that does?

rick