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Chapter 3 Server Diagnostics 3-35
5. Perform further investigation if needed.
■ If no faults were detected, the system will boot.
■ If POST detects a faulty device, the fault is displayed and the fault information is
passed to ALOM CMT for fault handling. Faulty FRUs are identified in fault
messages using the FRU name. For a list of FRU names, see Appendix A.
a. Interpret the POST messages:
POST error messages use the following syntax:
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 or WARNING: message
The following example shows a POST error message.
In this example, POST is reporting a memory error at DIMM location
MB/CMP0/CH2/R0/D0. It was detected by POST running on core 7, strand 2.
0:0>INFO:
0:0>POST Passed all devices.
0:0>Master set ACK for vbsc runpost command and spin...
7:2>
7:2>ERROR: TEST = Data Bitwalk
7:2>H/W under test = MB/CMP0/CH2/R0/D0/S0 (MB/CMP0/CH2/R0/D0)
7:2>Repair Instructions: Replace items in order listed by 'H/W
under test' above.
7:2>MSG = Pin 149 failed on MB/CMP0/CH2/R0/D0 (J1601)
7:2>END_ERROR
7:2>Decode of Dram Error Log Reg Channel 2 bits
60000000.0000108c
7:2> 1 MEC 62 R/W1C Multiple corrected
errors, one or more CE not logged
7:2> 1 DAC 61 R/W1C Set to 1 if the error
was a DRAM access CE
7:2> 108c SYND 15:0 RW ECC syndrome.
7:2>
7:2> Dram Error AFAR channel 2 = 00000000.00000000
7:2> L2 AFAR channel 2 = 00000000.00000000