Hi guys!
I've got exactly the same problem.
I've also tried differnet version of the buildroot and followed the nfs tutorial Petr refers to.

This is what i'm trying to do ( 10.8.0.1 is a server to witch I'm connected thru via VPN.
# modprobe nfs
# mount -t nfs -o nolock 10.8.0.1:/share /mnt/nfs
mount: nfsmount failed: Bad file descriptor
mount: Mounting 10.8.0.1:/share on /mnt/nfs failed: Bad file descriptor
# ping 10.8.0.1
PING 10.8.0.1 (10.8.0.1): 56 data bytes
84 bytes from 10.8.0.1: icmp_seq=0 ttl=64 time= 17.6 ms
84 bytes from 10.8.0.1: icmp_seq=1 ttl=64 time=17.4 ms

There's nothing in the syslog on the server about the error and I can connect to the nfs-share from my own computer via the VPN.
Ping from the server works fine as well, even ssh and http works thru the tunnel.
# ping 10.8.0.6
PING 10.8.0.6 (10.8.0.6) 56(84) bytes of data.
64 bytes from 10.8.0.6: icmp_seq=1 ttl=64 time= 16.7 ms
64 bytes from 10.8.0.6: icmp_seq=2 ttl=64 time=15.8 ms

Best regards
Niklas Ohlsson


On 8/31/07, Craig Hughes <craig@gumstix.com> wrote:
Can you ping the NFS server from the gumstix?
Is NFS compiled in to the kernel?
If not, is the NFS module loaded?

C

On Aug 31, 2007, at 8:11 AM, Petr Palacký wrote:

> Hi all,
>
> I followed NFS guide on http://docwiki.gumstix.org/NFS, but still
> I'm unable
> to mount NFS exports.
>
> Gumstix is connected to the network, NFS server is accessible,
> exports and
> permissions are right and other (non-gumstix) machines can mount
> NFS without
> problems but mount on Gumstix failed with following error:
>
> # mount -t nfs -o nolock 192.168.0.100:/nfsroot /mnt/nfs/
> mount: nfsmount failed: Bad file descriptor
> mount: Mounting 192.168.0.100:/nfsroot on /mnt/nfs/ failed: Bad file
> descriptor
>
> We are using Gumstix Verdex XM4-BT with latest Buildroot (I tried
> older builds
> too but without success)
>
> How can I solve this?
>
> Many thanks
> --
> Best regards
>
> Petr Palacky
>
> Coduco, s.r.o.
> Velflikova 6
> 16000 Praha 6
> Tel./fax: +420 224 310 732
> --
> Outgoing message is virus free
> because we use Linux (http://www.linux.org)
> version 2.6.20-gentoo-r8 / Gentoo Linux
>
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