RHEL server on Egenera hardware loaded bluetooth module arbitrarily, then got soft lockup error

Solution Verified - Updated -

Issue

Two RHEL 5 servers sitting behind a load balancer serving out the same content...  On server A, suddenly the bluetooth module loaded and, 10 seconds later the kernel reported CPU softlocks and the machine crashed.  While server A is being rebooted, load is switched to server B.  Load spikes, and the same thing happens on server B.

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Egenera pBlade

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