After upgrading RHEL version from 5.9 to 5.10 or from 6.4 to 6.5 the system hangs on "Restarting system / machine restart" when reboot is issued

Solution Verified - Updated -

Issue

  • After upgrading from RHEL 5.9 to 5.10 system hangs during reboot, following are the last few messages on the console:
Restarting system
.
machine restart
  • After upgrading from RHEL 6.4 to 6.5 system hangs during reboot, following are the last few messages on the console:
Please stand by while rebooting the system...
Restarting system.
  • The system also locks up on the reboot after booting in the older kernel.

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5
  • Dell PowerEdge T110, T310, R310

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