SPARC T3-1 getting "ioc reset abort passthru" ; "MPT Firmware Fault, code: 1500" messages (Doc ID 1530136.1)

Last updated on OCTOBER 05, 2016

Applies to:

SPARC T3-1 - Version All Versions and later
Information in this document applies to any platform.

Symptoms

Problem statement:
Customer tries to read DVD drive on SPARC T3-1 but sees PCIEX-8000-0A FMA errors and floods messages files with "kernel.warn" stating "mpt_sas1" issue (MPT Firmware Fault, code: 1500):

.

.
Feb 4 13:20:39 prt3-1-01 scsi: [ID 107833 kern.warning] WARNING: /pci@400/pci@2/pci@0/pci@4/scsi@0 (mpt_sas1):
Feb 4 13:20:39 prt3-1-01 ioc reset abort passthru
Feb 4 13:20:39 prt3-1-01 scsi: [ID 107833 kern.warning] WARNING: /pci@400/pci@2/pci@0/pci@4/scsi@0 (mpt_sas1):
Feb 4 13:20:39 prt3-1-01 Reset failedafter fault was detected
Feb 4 13:20:45 prt3-1-01 genunix: [ID 408114 kern.info] /pci@400/pci@2/pci@0/pci@4/scsi@0 (mpt_sas1) down
Feb 4 13:20:49 prt3-1-01 scsi: [ID 107833 kern.warning] WARNING: /pci@400/pci@2/pci@0/pci@4/scsi@0 (mpt_sas1):
Feb 4 13:20:49 prt3-1-01 MPT Firmware Fault, code: 1500
.

.


These messages will only stop after rebooting the box.


Customer is seeing this while reading from a TEAC DVD drive and running with OHMP version 2.2.1

Cause

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