Why am I having the message "MCE: warning: using only 9 banks" at boot time ?

Solution Unverified - Updated -

Issue

  • When booting the system the following messages appear in /var/log/messages
Dec 19 17:27:05 server_name kernel: MCE: warning: using only 9 banks

The message is repeated several times

Environment

  • Red Hat Enterprise Linux (RHEL) 5.0, 5.1, 5.2
  • HP ProLiant DL380 G6

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