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Chapter 6 Diagnostic Tools 89
CODE EXAMPLE 6-2 OpenBoot Diagnostics Error Message
I
2
C Bus Device Tests
The i2c@1,2e and i2c@1,30 OpenBoot Diagnostics tests examine and report on
environmental monitoring and control devices connected to the Sun Fire V490
server’s Inter-IC (I
2
C) bus.
Error and status messages from the
i2c@1,2e and i2c@1,30 OpenBoot Diagnostics
tests include the hardware addresses of I
2
C bus devices:
The I
2
C device address is given at the very end of the hardware path. In this
example, the address is
2,a8, which indicates a device located at hexadecimal
address A8 on segment 2 of the I
2
C bus.
To decode this device address, see “Reference for Decoding I2C Diagnostic Test
Messages” on page 111. Using
TABLE 6-12, you can see that fru@2,a8 corresponds to
an I
2
C device on DIMM 4 on processor 2. If the i2c@1,2e test were to report an error
against
fru@2,a8, you would need to replace this memory module.
Testing /pci@9,700000/ebus@1/rsc-control@1,3062f8
ERROR : SC card is not present in system, or SC card is broken.
DEVICE : /pci@9,700000/ebus@1/rsc-control@1,3062f8
SUBTEST : selftest
CALLERS : main
MACHINE : Sun Fire V490
SERIAL# : 705459
DATE : 11/28/2001 14:46:21 GMT
CONTR0LS: diag-level=min test-args=media,verbose,subtests
Error: /pci@9,700000/ebus@1/rsc-control@1,3062f8 selftest failed, return code = 1
Selftest at /pci@9,700000/ebus@1/rsc-control@1,3062f8 (errors=1) ...... failed
Pass:1 (of 1) Errors:1 (of 1) Tests Failed:1 Elapsed Time: 0:0:0:0
Testing /pci@9,700000/ebus@1/i2c@1,2e/fru@2,a8