System hung with lpfc errors in the logs

Issue

• The following Emulex HBA hardware errors are seen in the logs :

  kernel: lpfc 0000:06:00.0: 0:0457 Adapter Hardware Error Data: x20000000 x1e14 x164200
  kernel: lpfc 0000:06:00.0: 0:(0):2531 Mailbox command x14 cannot issue Data: xc00 x2
  kernel: lpfc 0000:06:00.0: 0:(0):2531 Mailbox command x23 cannot issue Data: xc00 x2
  kernel: lpfc 0000:06:00.0: 0:(0):2531 Mailbox command x14 cannot issue Data: xc00 x2
  kernel: lpfc 0000:06:00.0: 0:(0):2531 Mailbox command x14 cannot issue Data: xc00 x2
  kernel: lpfc 0000:06:00.0: 0:1303 Link Up Event x1 received Data: x1 xf7 x10 x9 x0 x0 0
  kernel:  rport-3:0-2: blocked FC remote port time out: saving binding
  kernel: sd 3:0:0:1: SCSI error: return code = 0x00010000
  kernel: end_request: I/O error, dev sdd, sector 8352164
  kernel: lpfc 0000:06:00.0: 0:(0):0203 Devloss timeout on WWPN 50:06:0e:80:05:47:a0:33 NPort x687a13 Data: x0 x7 x0
  kernel: sd 3:0:0:1: SCSI error: return code = 0x00010000
  kernel: end_request: I/O error, dev sdd, sector 666702
  syslogd 1.4.1: restart.
  kernel: klogd 1.4.1, log source = /proc/kmsg started.