Frequent panic

[Jacques Goldberg]

 Hello

 Can somebody tell me what usually produces the following message which
recently started to be quite frequent?
 Could it be due to the firewall behind which I work ?

 Message:
Message from syslogd at phep2 at Wed Mar 14 11:42:12 2001 ...
phep2 kernel: XFS Panic: xfs_message_invalidnode didn't find node!
(13.536886376.79208.581197) 

 Thanks. Greetings.            Jacques.Goldberg at cern.ch