Comment 11 for bug 1572132

Check some debug options that can be enabled on-the-fly, taken from bug https://bugs.launchpad.net/ubuntu/karmic/+source/linux/+bug/406466/comments/8.

In particular:

echo 1 > /proc/fs/cifs/traceSMB

showed that the missing files/directories are sent to the client when "ls -l /mountpoint" is issued.