Red Hat Bugzilla – Bug 454382
nfs v3 fails to mount tcp only nfs servers
Last modified: 2009-06-11 10:36:50 EDT
Description of problem:
Fedora release 9 (Sulphur)
mount.nfs (linux nfs-utils 1.1.2)
Steps to Reproduce:
Attempt to mount that server via the following command
Set up an NFS server that does not allow connections to it
via UDP. (and example of this would be one that is behind a firewall that
mount -t nfs -s -o
eventually the mount will fail with an "internal error"
I would expect the mount to succeed. The mount (mount.nfs) command should be
able to complete the mount successfully using only tcp to connect to the
portmapper, mountd and nfs.
This is very similar to this ubuntu bug described here
*** This bug has been marked as a duplicate of 444275 ***
nfs-utils-1.1.2-6.fc9.i386 does not fix this problem. I don't believe it is a
duplicate of 444275
thanks for testing this out... I'll keep looking into this...
This is particularly problematic when tunneling NFS over SSH as you can only
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Is this still a problem with later releases of Fedora? If so I'll
bump up the bug version from 9 to 10 or 11
(In reply to comment #6)
> Is this still a problem with later releases of Fedora? If so I'll
> bump up the bug version from 9 to 10 or 11
I don't manage that machine anymore but I am told that the package:
has replaced the mount.nfs binary that contained my own patch.
In spite of this the mount is successful. But that does not mean the
problem is fixed because the nfs server we had the problem with
now offers mountd and nfs on both TCP and UDP.
Ok.. I am not able to reproduce this problem with F-10 and F-11.
So I am going to close this bug. Please feel free to reopen it
if the problem comes back..
(In reply to comment #8)
> Ok.. I am not able to reproduce this problem with F-10 and F-11.
> So I am going to close this bug. Please feel free to reopen it
> if the problem comes back..
That sounds fine. Thank you for your help.