How to resolve a kernel crash on an HP server?

Issue

How to resolve a kernel crash on an HP server?

A stack with such kernel crash may write the following:

Kernel panic - not syncing: An NMI occurred, please see the Integrated Management Log for details.
Pid: 0, comm: swapper Not tainted 2.6.32-358.11.1.el6.x86_64 #1
Call Trace:
 <NMI>          [<ffffffff8150d4f8>] ? panic+0xa7/0x16f
 [<ffffffff815130d6>] ? kprobe_exceptions_notify+0x16/0x430
 [<ffffffffa00234cd>] ? hpwdt_pretimeout+0x8d/0xbc [hpwdt]

Environment

• CloudLinux OS kernel
• Any HP ProLiant Gen8-series server with any of the following:
  • iLO 4 Firmware Version 1.30
  • iLO 4 Firmware Version 1.32
  • iLO 4 Firmware Version 1.40
  • iLO 4 Firmware Version 1.50

Solution

1. Update the iLO 4 firmware to version 1.51 according to the official instruction.