kernel fails NMI watchdog test during bootup in RHEL5 on Xen guest

Solution Unverified - Updated -

Issue

  • Following message is shown in /var/log/messages while booting on Xen guest.
testing NMI watchdog ... <4>WARNING: CPU#0: NMI appears to be stuck (0->0)!

Environment

  • Red Hat Enterprise Linux 5.0-5.5
  • Xen guest

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