MB/SC Failure on Sun Fire V240/V440

Asset ID:	1-72-1369718.1
Update Date:	2017-04-05
Keywords:

Solution Type Problem Resolution Sure

Solution 1369718.1 : MB/SC Failure on Sun Fire V240/V440

Applies to:

Sun Fire V240 Server - Version Not Applicable and later
Sun Fire V440 Server - Version Not Applicable and later
Information in this document applies to any platform.

Symptoms

MB/SC failure has been reported by prtdiag with a message similar to this:

-------------------------
Fru Operational Status:
-------------------------
Location Status
-------------------------
MB/SC faulty

Cause

An error in the SC is detected by the system, and CPUs appear to work properly

CPUstat

Brd CPU Modl Run Ecach CPU CPU CPU CPU CPU online
Nr. Nr. Nr. Mhz MB Impl. Mask Die Amb Stat since
-------------+------+------+------+------+--------+------+-----+-----+--------+-------------------
MB/P0 0 1002 1MB US-IIIi 2.4 - - on-line 07/24/11 16:56:07.
MB/P1 1 1002 1MB US-IIIi 2.4 - - on-line 07/24/11 16:56:38.

However there is still an error message regarding SC:

# /usr/platform/SUNW,Sun-Fire-V240/sbin> ./scadm status
scadm: unable to send data to SC

Solution

1.- Update the Flash Prom and the OBP by applying the latest patch available and then reboot the system

2.- This issue can also be resolved by soft soft reset from the ALOM shell.

sc> resetsc

REFERENCE:

Sun Fire V210 / V240 Patches (Doc ID 1337701.1)

Sun Fire V440 Firmware & Patches (Doc ID 1336234.1)

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