If I am running "ls -la /" I am getting:

# ls -la /
total 0

But there is a system on the computer, and ls /usr gives ussual result (I am ommiting -la to save space):

# ls /usr
bin include lib libexec opt share tmp x86_64-suse-linux
games java lib64 local sbin src X11R6

How do I fix / listings?