Sun Enterprise[TM] 450 during power up OBP hangs, last message "Environmental monitoring: enabled"
(Doc ID 1007577.1)
Last updated on JULY 17, 2019
Applies to:
Sun Enterprise 450 Server - Version All Versions and laterAll Platforms
Symptoms
Sun Enterprise 450 completes POST successfully with STATUS=PASSED, then OBP starts probing CPU's and memory
normally until the system hangs, last message " Environmental monitoring: enabled "
Sample output: . from serial port ttya, normal post messages, no problems detected
0>STATUS=PASSED
Power On Selftest Completed
Status = 0000.0000.0000.0000 ffff.ffff.f00b.4860 ffdf.ffff.0bd1.1111
POST Reset
CPU0 has assumed the role of Boot CPU
@(#) Sun 450 3.7 Version 107 created 1998/02/19 17:54
Online: CPU0 Blackbird (v1.1) 3:1 2048KB 2-2 ECache MCap 13
Online: CPU1 Blackbird (v2.0) 3:1 2048KB 2-2 ECache MCap 13
Online: CPU2 Blackbird (v2.0) 3:1 2048KB 2-2 ECache MCap 13
Online: CPU3 Blackbird (v1.1) 3:1 2048KB 2-2 ECache MCap 13
Setting system ECache size to 2048KB
Clearing DTAGS...Done
Clearing E-Cache Tags...Done
Clearing I/D TLBs...Done
Probing Memory...Done
HiMem base = 0000.0000.0000.0000 size = 0000.0000.2000.0000
Clearing Memory...including Unix Retained Memory...Done
MMUs ON
Copying ROM to RAM...Done
ROM PC = 0000.01ff.f000.4b40
RAM PC = 0000.0000.0000.4b88
RAM CRC = 0000.0000
2ea7.1606; ROM CRC = 0000.0000.2ea7.1606
Decompressing into Memory...0000.0000.0004.523c (277KB)...Done
Size = 0000.0000.0008.4b00 (531KB)
Starting Forth kernel at 0000.0000.f005.6b68
ttya initialized
Memory in 2 - way interleave configuration
...Bank #0 64 + 64 + 64 + 64 : 256 MB
...Bank #1 64 + 64 + 64 + 64 : 256 MB [Available 512MB @ 0 ]
...Bank #2 0 + 0 + 0 + 0 : 0 MB [Not In Use]
...Bank #3 0 + 0 + 0 + 0 : 0 MB [Not In Use]
Environmental monitoring: enabled <------- system hung, last message outputed
Changes
Cause
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