Qlogic qla2xxx firmware errors causing spinlock contention and deadlock among CPUs

Issue

• System crashed due to spinlock contention and hardlockup in qla2xxx module
• The system kernel buffer was logged with numerous qla2xxx HBA firmware dump errors

qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
NMI Watchdog detected LOCKUP on CPU 5                                                            << lockup on CPU 5
CPU 5 
Modules linked in:<6>qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
 seos(PU)<4>qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
 twnotify(U) mptctl mptbase vxodm(PFU) vxfen(PU) gab(PU) llt(PU)<6>qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
 autofs4<4>qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
 hidp nfs fscache nfs_acl rfcomm l2cap bluetooth<6>qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
 dmpaa(PU)<4>qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
 vxspec(PFU) vxio(PFU) vxdmp(PU) lockd sunrpc be2iscsi(U)<6>qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
 ib_iser<4>qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
 rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp<6>qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
 bnx2i<4>qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
 cnic ipv6 xfrm_nalgo crypto_api uio cxgb3i cxgb3<6>qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!
 libiscsi_tcp<4>qla2xxx 0000:06:00.0: Firmware has been previously dumped (ffffc20010094000) -- ignoring request...
 libiscsi2 scsi_transport_iscsi2 scsi_transport_iscsi vxportal(PFU) fdd(PFU) vxfs(PU)<6>qla2xxx 0000:06:00.0: RISC paused -- HCCR=8040, Dumping firmware!