Re: Two nfsd bugs in 2.4.x

[Neil Brown]

On Sunday June 24, [e-mail] wrote:
> Hi,
> 
> Since I switched to the kernel nfsd I have troubles exporting my
> filesystems. I think in kernel 2.2.x there was no problem, neither was
> it with the userspace nfsd. Currently I run kernel 2.4.5pre1 on the
> server.

Sounds like you might have an old nfs-utils package.  Try the latest
(nfs.sourceforget.net) and see if that helps.

If it doesn't, please provide complete /etc/exports and /etc/fstab.

NeilBrown

> 
> 1. When I try to boot one of my diskless clients (kernel 2.0.34), it mounts
> its root fs from /opt/boot/client which is on an ext2 fs. But apparently
> it hangs when it tries to access lib/ld-linux.so.1 (seen with a network
> sniffer). This is a symbolic link pointing to lib/ld-linux.so.1.9.2.
> In the kernel log I find:
> 
> nfsd Security: lib/ld-linux.so.1 bad export.
> 
> 2. I cannot any longer mount the server's /usr on certain workstations.
> It works on my main workstation which currently runs kernel 2.4.5.
> On other workstations I get "permission denied by server". I tried various
> kernels (2.0.36, 2.2.3, 2.3.52) and various versions of mount (2.7l, 2.10o).
> My /etc/exports contains the line
> 
> /usr            *.hjb.de(rw,no_root_squash)
> 
> and all my clients are in my local DNS. The syslog shows
> 
> rpc.mountd: getfh failed: Operation not permitted
> 
> Any help? More info on request.
> 
> Thanks,
> hjb
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