Stale NFS handle...

[Michael ODonnell]

<SUPERSTITIOUS_VOODOO_HACK_YMMV>

   Mount that remote filesystem on a second, different
   local mount point like, say, /tmp/fooHack

   ls -la /tmp/fooHack

   ls -la /mnt/foo

   umount /tmp/fooHack

   umount /mnt/foo

</SUPERSTITIOUS_VOODOO_HACK_YMMV>