The find tool is failing for a missing fs driver

[J.Markoll]

Hello,
Since a few weeks when I happen to invoke 'find' the shell returns an 
awfull! message.

Awfull for me cause I don't know what he is talking about  :(

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~$ LANG=C sudo find / -name 'linux-source*'
find: WARNING: Hard link count is wrong for /proc: this may be a bug in 
your filesystem driver.  Automatically turning on find's -noleaf option. 
  Earlier results may have failed to include directories that should 
have been searched.
joyce at mamachine:~$ pon
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

This message begins to #$£%*!!?&@!!
Is someone good enough on the subject to tell me what I could look at, 
what to check and so ? thanks gratefully for help.
Joyce Markoll.


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