Bug#519829: mount.cifs: No such file or directory

I don't know how to debug a WesternDigital network disk, but have tried to get debug information from the cifs using echo 3 /proc/fs/cifs/cifsFYI and dmesg returns: [748408.796511] fs/cifs/inode.c: CIFS VFS: in cifs_revalidate as Xid: 73181 with uid: 0 [748408.796518] fs/cifs/inode.c:

Bug#519829: mount.cifs: No such file or directory

This is definitely not a server side problem. None of our network disks are working with Version 3.2.5-4. Have tried from Lenny (5.0.3) and Ubuntu (8.10) with different error messages, but none of them are working. Strange enough: One Lenny installation is working, so maybe it is a package