Sun Oracle Netra SPARC T3-1B, Service Manual

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Detecting and Managing Faults 39
▼
Interpret POST Fault Messages
1. Run POST.
See “Run POST With Maximum Testing” on page 37 .
2. View the output and watch for messages that look similar to the following
syntax descriptions and example:
■
POST error messages use the following syntax, where c = the core number, s =
the strand number:
c:s
> ERROR: TEST =
failing-test
c:s
> H/W under test =
FRU
c:s
> Repair Instructions: Replace items in order listed by
H/W under test above
c:s
> MSG =
test-error-message
c:s
> END_ERROR
In this syntax, c = the core number, s = the strand number.
■
Warning and informational messages use the following syntax:
INFO:
message
or
WARNING:
message
Example:
3:2>ERROR: TEST = Data Bitwalk
3:2>H/W under test = /SYS/MB/BOB1/CH0/D0
3:2>Repair Instructions: Replace items in order listed by 'H/W
under test' above.
3:2>MSG = Pin 149 failed on /SYS/MB/BOB1/CH0/D0 (J1101)
3:2>END_ERROR
3:2>Decode of Dram Error Log Reg Channel 2 bits
60000000.0000108c
3:2> 1 MEC 62 R/W1C Multiple corrected
errors, one or more CE not logged
3:2> 1 DAC 61 R/W1C Set to 1 if the error
was a DRAM access CE
3:2> 108c SYND 15:0 RW ECC syndrome.
3:2>
3:2> Dram Error AFAR channel 2 = 00000000.00000000
3:2> L2 AFAR channel 2 = 00000000.00000000