Issue

• The Linux system got self rebooted unexpectedly when installing Oracle RAC.
  During the reboot following call traces, hard LOCKUP messages got logged on the system console:

  lpfc 0000:84:00.0: 1:(0):9030 FCP cmd x85 failed <1/9> status: x1 result: x0 sid: x50720 did: x10680 oxid: xffff Data: x546 x8e5
  lpfc 0000:84:00.0: 1:(0):9024 FCP command x85 failed: x2 SNS x70000500 x20000000 Data: xa x200 x12 x0 x0
  lpfc 0000:84:00.0: 1:(0):0710 Iodone <1/9> cmd ffff883fbd10ba80, error x2 SNS x50070 x20 Data: x0 x200
  Kernel panic - not syncing: Watchdog detected hard LOCKUP on cpu 12
  Pid: 17258, comm: multipathd Tainted: P           ---------------    2.6.32-431.17.1.el6.x86_64 #1
  Call Trace:
   <NMI>  [<ffffffff815274ef>] ? panic+0xa7/0x16f
   [<ffffffff810153a3>] ? native_sched_clock+0x13/0x80
   [<ffffffff810e65dd>] ? watchdog_overflow_callback+0xcd/0xd0
   [<ffffffff8111c4b7>] ? __perf_event_overflow+0xa7/0x240
   [<ffffffff8101d93d>] ? x86_perf_event_set_period+0xdd/0x170
   [<ffffffff8111ca84>] ? perf_event_overflow+0x14/0x20
   [<ffffffff81022d87>] ? intel_pmu_handle_irq+0x187/0x2f0
   [<ffffffff8152d1c6>] ? kprobe_exceptions_notify+0x16/0x430
   [<ffffffff8152bd39>] ? perf_event_nmi_handler+0x39/0xb0
   [<ffffffff8152d7f5>] ? notifier_call_chain+0x55/0x80
   [<ffffffff8152d85a>] ? atomic_notifier_call_chain+0x1a/0x20
   [<ffffffff810a11ae>] ? notify_die+0x2e/0x30
   [<ffffffff8152b4bb>] ? do_nmi+0x1bb/0x340
   [<ffffffff8152ad80>] ? nmi+0x20/0x30
   [<ffffffff8152a85e>] ? lock_kernel+0x2e/0x50
   <<EOE>>  [<ffffffff8126f3ff>] ? __blkdev_driver_ioctl+0x4f/0x80
   [<ffffffff8126f89d>] ? blkdev_ioctl+0x1ed/0x6e0
   [<ffffffff811c435c>] ? block_ioctl+0x3c/0x40
   [<ffffffff8119d802>] ? vfs_ioctl+0x22/0xa0
   [<ffffffff8119d9a4>] ? do_vfs_ioctl+0x84/0x580
   [<ffffffff810097cc>] ? __switch_to+0x1ac/0x320
   [<ffffffff8119df21>] ? sys_ioctl+0x81/0xa0
   [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b