NFS client problem with kernel 2.6 and SGI IRIX 6.5

NFS client problem with kernel 2.6 and SGI IRIX 6.5

Post by Trond Mykl » Sun, 16 Oct 2005 03:30:10


fr den 14.10.2005 Klokka 11:05 (+0200) skreiv Ruediger Oberhage:

Have you tried running "strace" on this find command in order to figure
out which syscall is returning EOVERFLOW? If it is getdents, please
could you confirm that the same error occurs in the same place on
2.6.12?

...Oh, and could I have a binary tcpdump of the traffic between the
client and server when this happens. Please use something like

tcpdump -w /tmp/dump.out -s 9000 host <servername> and port 2049

Cheers,
Trond

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NFS client problem with kernel 2.6 and SGI IRIX 6.5

Post by James Pear » Tue, 18 Oct 2005 23:20:14

> The summary is as follows: I do have problems with the 2.6 series

Is this similar to the issue in the following thread? :

http://www.yqcomputer.com/

James Pearson
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NFS client problem with kernel 2.6 and SGI IRIX 6.5

Post by Ruediger O » Wed, 19 Oct 2005 00:50:20

> Is this similar to the issue in the following thread? :


I still have to investigate Trond Myklebust's suggestions (strace on
'df' with unmodified 2.6 kernel and 2.6.12 and the tcpdump on
the malfunctioning nfs, hopefully can do it tomorrow, but from
memory, I think the following holds:

When 'your' thread above, which leads to the URL
http://www.yqcomputer.com/ ~trondmy/src/2.4.18/linux-2.4.18-seekdir.dif,
that isn't available any longer (at least here), is similar to

http://www.yqcomputer.com/
http://www.yqcomputer.com/

that is the patch, that I applied to some kernels earlier than
2.6.11, then the behaviour is, that with this patch or a 'recent'
kernel (I do believe it starts with 2.6.11), the 'find'-problem
goes away - I'll re-check that -, but the 'other' problems
(Mathematica and OpenOffice not finding certain 'resources')
stay.

Nevertheless, 'seekdir' sounds very promising as a cause for
the problem(s), so if 'linux-2.4.18-seekdir.dif' is handling a
problem different from '0506.html', then it may be worth
investigating.

Since I can't access linux-2.4.18-seekdir.dif, could you please
either have a look if it's the same thing else send me that patch?

Thank you very much,
Ruediger Oberhage
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NFS client problem with kernel 2.6 and SGI IRIX 6.5

Post by Trond Mykl » Fri, 21 Oct 2005 06:20:08

on den 19.10.2005 klokka 18:52 (+0200) skreiv Ruediger Oberhage:

Recent kernels (2.6.13 and above - sorry, I though it was 2.6.12) have
the following patch applied

http://www.yqcomputer.com/

This should normally suffice to fix the SGI problem.

Cheers,
Trond

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