Machine crash dumps upon startup after iLO2/SmartArray upgrade

Issue

• After updating iLO2 firmware, server panics after reboot.  The following can be seen in the logs:

<date> <hostname> kernel: kobject_add failed for ipmi_bmc.17 with -EEXIST, don't try to register things with the same name in the same directory.
<date> <hostname> kernel:
<date> <hostname> kernel: Call Trace:
<date> <hostname> kernel:  [<ffffffff8014e908>] kobject_add+0x170/0x19b
<date> <hostname> kernel:  [<ffffffff801c0226>] device_add+0x85/0x372
<date> <hostname> kernel:  [<ffffffff801c3457>] platform_device_add+0xd8/0x129
<date> <hostname> kernel:  [<ffffffff88dc45b3>] :ipmi_msghandler:ipmi_register_smi+0x5cc/0xab7
<date> <hostname> kernel:  [<ffffffff8009fc0d>] autoremove_wake_function+0x0/0x2e
<date> <hostname> kernel:  [<ffffffff88de1475>] :ipmi_si:try_smi_init+0x494/0x685
<date> <hostname> kernel:  [<ffffffff88de253a>] :ipmi_si:ipmi_pci_probe+0xa0/0x17f
<date> <hostname> kernel:  [<ffffffff8015ac99>] pci_device_probe+0x104/0x184
<date> <hostname> kernel:  [<ffffffff801c1c6a>] driver_probe_device+0x52/0xaa
<date> <hostname> kernel:  [<ffffffff801c1d99>] __driver_attach+0x65/0xb6
<date> <hostname> kernel:  [<ffffffff801c1d34>] __driver_attach+0x0/0xb6
<date> <hostname> kernel:  [<ffffffff801c1597>] bus_for_each_dev+0x43/0x6e
<date> <hostname> kernel:  [<ffffffff801c11d3>] bus_add_driver+0x76/0x110
<date> <hostname> kernel:  [<ffffffff8015afb5>] __pci_register_driver+0x51/0xa6
<date> <hostname> kernel:  [<ffffffff88de233c>] :ipmi_si:init_ipmi_si+0x5f6/0x746
<date> <hostname> kernel:  [<ffffffff800a5f78>] sys_init_module+0xaf/0x1f2
<date> <hostname> kernel:  [<ffffffff8005d116>] system_call+0x7e/0x83

• After kernel update, system will not boot in newer version