Client looses NFS handle (kernel 2.6.3)

[Willy Weisz]

The client looses the handle to a statically mounted NFS file system. A 
user sees
a stale handle in "df" and can't access files and directories.

When root issues a "df" or accesses a file or directory on the NFS file 
system,
it gets a correct result.

Thereafter a normal user also can access files and directories on the 
NFS file system.
After a short time the NFS handle becomes stale again.
/var/log/messages contains the lines:
Feb 21 23:33:50 gsr108 kernel: RPC: Can't bind to reserved port (13).
Feb 21 23:33:50 gsr108 kernel: RPC: can't bind to reserved port.
after a user tries to access a file on the NFS file system.
The NFS server runs kernel version 2.4.23 SMP. Client NFS 2.4.23 works.

The filesystem is mounted with the following options in /etc/fstab:
rw,bg,hard,intr,rsize=8192,wsize=8192

We are stuck and can't upgrade to 2.6.x with this bug.

Regards

Willy Weisz
-----------------------------------------------------------
Willy Weisz

European Centre for Parallel Computing at Vienna (VCPC)
                Liechtensteinstrasse 22
                A-1090 Wien
Tel: (+43 1) 4277 - 38824          Fax: (+43 1) 4277 - 9388
               e-mail: weisz@xxxxxxxxxxxxxxxxx

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