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Sun SPARC Enterprise T5440 Server: Power system fault detected at /SYS/MB/CPUx/DVRM_15: status 0x4 (Doc ID 1502146.1)

Last updated on MAY 20, 2021

Applies to:

Sun SPARC Enterprise T5440 Server - Version All Versions and later
Information in this document applies to any platform.


During HOST power on/off  (ILOM cli, start /SYS or stop /SYS), D210 DC/DC Converter on some cpu modules have a false 00VP trip, which is reported as a (DVRM_15/00V_+1V5) asserted failure that is captured by firmware.  The SP then power cycles the host. 


example (from ALOM-CMT's "showlogs -v"):

Chassis |critical: "Host has been powered off"
Chassis |major : "/SYS/MB/CPU0/DVRM_15/OOV_+1V5: asserted failure"
Chassis |major : "Power system fault detected at /SYS/MB/CPU0/DVRM_15: status 0x4"
Fault |critical: "SP detected fault at time Mon Jul 11 14:04:26 2011. Host Power Failure: MB_DC_POK Fault"




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