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Chapter 2. Diagnostics
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2.10.14 Service processor problems
The baseboard management controller (BMC) is a flexible service processor that provides
error diagnostics with associated error codes, and fault isolation procedures for
troubleshooting.
Note Resetting the service processor causes a POWER6 reset/reload, which generates a dump.
The dump is recorded in the management module event log. The reset/reload dump occurs
whenever the service processor resets, such as when resetting the service processor through
the management module Web interface or through the management module command line
interface.
When the advanced POWER6 service processor error analysis determines a specific fault,
the service processor logs an error code to identify the failing component.
When the analysis is not definitive, the service processor logs one or more isolation
procedures for you to run to identify and correct the problem.
The service processor reports fault isolation procedure codes to identify a specific service
action. The isolation procedure code is recorded in the management-module event log.
A message with three procedures might be similar to the following example, except that the
entry would be on one line in the event log:
(SN#YL31W7120029) SYS F/W: CEC Hardware VPD.
See procedure FSPSP07, FSPSP28 then FSP0200
(5000004C B15A3303 22222222 33333333 44444444 55555555 66666666
77777777 88888888 99999999)
B15A3303 is the identifier word of the associated SRC. The rest of the nine words in the
SRC are shown in sequence.
A message that identifies customer replaceable units (CRUs) might be similar to the
following example:
(SN#YL31W7120029) SYS F/W: Error. Replace PIOCARD then Sys Brd
(500213A0 B7006973 22222222 33333333 44444444 55555555 66666666
77777777 88888888 99999999)
A message with multiple replacement callouts might be too long to display. In such a case,
the message removes SRC words starting with word 2 and inserts an X for every removed
word. The following example shows an error log entry that did not have enough room for
words 2 and 3:
(SN#YL31W7120029) SYS F/W: CEC Hardware VPD.
See procedure FSPSP07, FSPSP28 then FSP0200
(50000014 B15A3303 XX 44444444 55555555 66666666 77777777
888888888 99999999)