From: Ruibiao Qiu <ruibiao@arl.wustl.edu>
> >From: Ruibiao Qiu <ruibiao@arl.wustl.edu>
> >> I got errors when I tried to mount and use a NFS mounted dirtory.
> >> It shows as mounted in `mount`, but I cant access it.
> >> 
> >> # mount -a
> >> ...
> >> exec: mount_nfs -b -P server:/pkgsrc /usr/pkgsrc
> >> mount: statfs /usr/pkgsrc: Input/output error
> > [snip]
> >> What causes the problem?  Thanks
> >
> >  Do you (root == nobody) have proper access permission for the mount
> >directory on the server?
> >
> >  Any file access, includes statfs and chdir, requires access
> >permission, and root has very limited permission (== nobody on most
> >systems) over NFS.
> 
> This seems to be the problem.  My traceshows that VFS_CHECKEXP()
> on the mount point returns EACCESS (permission denied) error.
> But, the permission of the files and directories on the server are
> set to -rw-r--r-- and drwxrwxr-x respectively.  Even nobody should
> be able to access them, I think.  How should I change the
> permission to make it accessable?  Thanks.

  If the weakest permission (777) does not help you, the permission
has no problem, I think.

  Sorry, I have no more idea in this time.
--
tate