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From: Bob Latham <bob@sick-of-spam.invalid>
Newsgroups: comp.sys.acorn.networking
Subject: Re: Connecting LanMan98 to Raspberry Pi 5
Date: Sat, 31 May 2025 11:10:48 +0100
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In article <jKm*WyMdA@news.chiark.greenend.org.uk>,
   Theo <theom+news@chiark.greenend.org.uk> wrote:
> Bob Latham <bob@sick-of-spam.invalid> wrote:
> > In article <lKm*B9HdA@news.chiark.greenend.org.uk>,
> >    Theo <theom+news@chiark.greenend.org.uk> wrote:
> > > Bob Latham <bob@sick-of-spam.invalid> wrote:

> > > So I think you have two options.  If you add 'no_root_squash'
> > > as in "(rw,sync,no_root_squash)" then you can access any file
> > > as root.
> > 
> > > Or you could set your uid/gid to match the ones on the Pi.  To
> > > find them out, run the 'id' command:
> > 
> > I've tried the easier method of adding 'no_root_squash' and it
> > appears to work but not quite. It displays all of the directories
> > in / the same as Lanman98 and I know some of those are virtual
> > directories but they display in both systems.
> > 
> > What doesn't work is /boot/firmware where important files like
> > config.txt should be but the whole directory is empty from
> > sunfish.
> > 
> > I have 'follow symbolic links' switched on, any suggestions?>

> /boot is a separate mounted partition (the FAT one on the SD card)
> and NFS doesn't follow mount points by default.  I think you need
> the 'crossmnt' option in addition to 'no_root_squash' to allow NFS
> to see into the mounted filesystem.

In the file /etc/exports I have:

/ 192.168.1.0/24(rw,sync,no_root_squash)

This works-ish It shows all the root directories the same as LM98
does. But it shows directories as empty, specifically /boot/firmware.
There are are others.

So I added crossmnt to the line ..
/ 192.168.1.0/24(rw,sync,no_root_squash,crossmnt)

I don't know if that's the correct way.

Now we get errors, strange errors.

Error when reading Sunfish::LinnPi/.$.boot.firmware - NFS call failed
(Stale NFS filehandle)

Thanks.

Bob.