Re: NFS client problem with kernel 2.6 and SGI IRIX 6.5

[James Pearson <james-p@moving-picture.com>]

> The summary is as follows: I do have problems with the 2.6 series
> kernel, which do not occur with a 2.4 series kernel (and an other-
> wise unchanged system). I discovered it with Mathematica version 5.0,
> but do think that other programs are also involved (e.g. OpenOffice
> 1.1.4, that doesn't find its default (or any other) printer any
> longer). The symptom is, that certain ressources are reported
> missing, that are definitively there and which lie somewhere
> within the application-tree, that tree lying within a hierarchie
> being nfs-auto-mounted from the SGI system to the (Intel architec-
> ture) Linux client. File contents (or whole files?) seems to get
> 'lost' somehow.
>
> It doesn't seem to be the MSBit Problem of the 32bit nfs cookies
> (alone) - the branch is exported with the IRIX '32bitclients'
> option, to avoid the 64bit cookies, that led to a similar problem
> with the printer in OpenOffice under the 2.4 series kernels, and
> vanished with the 32bit-option.  The reason for me to state this
> is, that when I applied a 32bit-'SGI-IRIX-induced'-patch for (early)
> 2.6 kernels (Debians 2.6.8) the problem didn't go away, and it also
> still occurs when using the 2.6.12-kernel, where some kernel-version
> ago (2.6.10 or 11?) that part of the cookie problem was solved via a
> translation table (once and for all, I hope).
>
> The problem occurs when requesting nfs v2 as well as nfs v3 protocol.
> An LD_ASSUME_KERNEL does not seem to help, as it does with other
> problems.
>
> When testing or compiling kernels, I always used the 'debianized'
> versions, but to my understanding, they are nearly unaltered compared
> to the 'plain' kernels (see Debian changelogs).
>
> The problem is severe to us, as the same configuration also exports
> our home-directories, which are, of course, writeable, contrary to
> the application-tree, which is read-only. Thus any help will be
> welcome.
>
> I'm willing to try whatever I can do to resolve the problem, but I
> need guidance in what to do and what (else) you need to know.

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

http://marc.theaimsgroup.com/?l=linux-kernel&m=108741268200839&w=2

James Pearson
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