[RHEL 6.3] NULL pointer dereference on scsi_request_fn+0x3fc.

Solution Verified - Updated -

Issue

  • NULL request_queue in scsi_requeue_run_queue() causes kernel Oops.
  • Panic with the following messages : 
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff8136aeec>] scsi_request_fn+0x3fc/0x790
RIP: 0010:[<ffffffff8136aeec>]  [<ffffffff8136aeec>] scsi_request_fn+0x3fc/0x790

Environment

  • Red Hat Enterprise Linux 6.3
  • kernel-2.6.32-279

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