"Passthru ELS response is not available" events logged from qlogic HBA/driver

Solution Unverified - Updated -

Issue

  • "Passthru ELS response is not available" errors in dmesg and/or messages file
  • "Passthru CT response is not available" events logged in dmesg and/or messages file
  • What do these messages mean?
  • What causes these messages and do they indicate a problem?
dmesg or messages:
qla2xxx 0000:08:00.0: Passthru ELS response is not available.
qla2xxx 0000:08:00.0: Passthru CT response is not available.
qla2xxx 0000:08:00.0: Passthru ELS response is not available.
qla2xxx 0000:08:00.0: Passthru CT response is not available.
qla2xxx 0000:08:00.0: Passthru ELS response is not available.
qla2xxx 0000:08:00.0: Passthru CT response is not available.
qla2xxx 0000:08:00.0: Passthru ELS response is not available.
qla2xxx 0000:08:00.0: Passthru CT response is not available.
qla2xxx 0000:08:00.0: Passthru ELS response is not available.

Environment

  • Red Hat Enterprise Linux 5.3 or earlier
  • Qlogic qla2xxx driver

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