System crashes from killing init proccess during reboot with RHEL6.7 kernel.

Issue

• System crashes at init proccess with RHEL6.7 kernel.

  Log in kernel ring buffer (or vmcore-dmesg.txt) is

  sd 4:2:0:0: [sda]  Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
  sd 4:2:0:0: [sda] CDB: Read(10): 28 00 2d 86 46 c0 00 00 28 00
  end_request: I/O error, dev sda, sector 763774656
  sd 4:2:0:0: [sda]  Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
  sd 4:2:0:0: [sda] CDB: Read(10): 28 00 2d 86 46 e0 00 00 08 00
  end_request: I/O error, dev sda, sector 763774688
  init[1]: segfault at 7fee7f496e57 ip 00007fee7f496e57 sp 00007ffe92c320e8 error 14
  Kernel panic - not syncing: Attempted to kill init!
  Pid: 1, comm: init Not tainted 2.6.32-573.1.1.el6.x86_64 #1
  Call Trace:
   [<ffffffff81537a84>] ? panic+0xa7/0x16f
   [<ffffffff813364d6>] ? get_current_tty+0x66/0x70
   [<ffffffff8107cd17>] ? do_exit+0x867/0x870
   [<ffffffff8108ec3d>] ? __sigqueue_free+0x3d/0x50
   [<ffffffff8107cd78>] ? do_group_exit+0x58/0xd0
   [<ffffffff81092a26>] ? get_signal_to_deliver+0x1f6/0x460
   [<ffffffff8100a285>] ? do_signal+0x75/0x870
   [<ffffffff81199299>] ? free_bprm+0x59/0x60
   [<ffffffff8100ab10>] ? do_notify_resume+0x90/0xc0
   [<ffffffff8100bb5c>] ? retint_signal+0x48/0x8c