nfs (xfs) problem in 2.4.x kernel
From: F. Baker (baker_at_deslab.mit.edu)
Date: 03/29/04
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Date: Mon, 29 Mar 2004 15:34:43 -0500 To: redhat-list@redhat.com
We have several Linux x86 workstations here. In "dmesg" on
these PCs I see a lot of errors that read:
NFS: Server wrote less than requested.
AND
eth0: TX underrun, threshold adjusted.
This message appears whenever someone logged into the
Mandrake/RH/whatever box (with NFS autofs mounting in his/her home
directory) tries to write something to an nfs-mounted directory
(usually the home directory). Even small files of 1.5 MB or so often
generate something such as "I/O error" when saving a file (really
small files usually get saved fine). And the home directory is always
based in an SGI (O2, Indy, Onyx) with xfs file system.
Intra-SGI these transfer take place perfectly, but
Mandrake/RH/OtherLinux generates these problems.
Has anyone seen this error before and does anyone know how
to get around it? The kernel used is 2.4.22-28 for most
of the Mandrake boxes, or at least 2.4.x anyway. We have not
gone to 2.6.x yet.
Thanks in advance.
baker@deslab.mit.edu
PS: Interestingly, when writing a big file, via e.g.,
cp file1 file2
The command always fails the first time. Try a second time
and it works. Even if you delete the partially-written
file2 and execute the command again, it works. Very strange.
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