T4-2 - ILOM shows a SPT-8000-HR message and a failed MCU (Doc ID 1994655.1)

Last updated on MAY 01, 2017

Applies to:

SPARC T4-2 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

Customer sees some errors on POST. This may cause booting problems.

These SMI errors are seen in POST with an MCU failing to initialize:

2015-03-17 18:54:16  0:0:0> NOTICE:  SMI Channel 0, SB Mapping 0 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:16  1:0:0> NOTICE:  SMI Channel 0, SB Mapping 0 -- ERRCNT:0x1f8LNERR:0x80
2015-03-17 18:54:16  0:0:0> NOTICE:  SMI Channel 0, SB Mapping 1 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:16  1:0:0> NOTICE:  SMI Channel 0, SB Mapping 1 -- ERRCNT:0x1f8LNERR:0x80
2015-03-17 18:54:16  0:0:0> NOTICE:  SMI Channel 1, SB Mapping 0 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:16  1:0:0> NOTICE:  SMI Channel 1, SB Mapping 0 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:16  0:0:0> NOTICE:  SMI Channel 1, SB Mapping 1 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:16  1:0:0> NOTICE:  SMI Channel 1, SB Mapping 1 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:16  1:0:0> ERROR:   N1.MCU0: SMI link failed memory link test.
2015-03-17 18:54:16  1:0:0> ERROR:   /SYS/MB/CMP1/MCU0 failed to initialize
2015-03-17 18:54:53  0:0:0> NOTICE:  SMI Channel 0, SB Mapping 0 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:53  0:0:0> NOTICE:  SMI Channel 0, SB Mapping 1 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:53  0:0:0> NOTICE:  SMI Channel 1, SB Mapping 0 -- ERRCNT:0x0LNERR:0x0
2015-03-17 18:54:54  0:0:0> NOTICE:  SMI Channel 1, SB Mapping 1 -- ERRCNT:0x0LNERR:0x0

 

FMA shows SPT-8000-HR message, and the snapshot ereports will show that an MCU got disabled:

2015-03-17/18:44:21  ereport.hc.dev_faulted.mcu_smi_health_fail@/SYS/MB/CMP1/MCU0

2015-03-17/18:52:03  ereport.component.disabled@/SYS/MB/CMP1/MCU0   /SYS/MB/CMP1/MCU0

 

Once POST finishes, the system may abort auto boot:

ERROR: One or more resources have been retired, please check the SP logs.
Aborting auto-boot sequence.
{0} ok

 

Cause

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