T5120/T5220/T5140/T5240 Voltage issues host is being powered off due to VDD errors
(Doc ID 2445721.1)
Last updated on OCTOBER 02, 2023
Applies to:
Sun SPARC Enterprise T5140 Server - Version All Versions to All Versions [Release All Releases]Sun SPARC Enterprise T5220 Server - Version All Versions to All Versions [Release All Releases]
Sun SPARC Enterprise T5240 Server - Version All Versions to All Versions [Release All Releases]
Sun SPARC Enterprise T5120 Server - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.
Symptoms
The server crashed due to Critical Voltage Issues on Motherboard and the server fails to power on.
Event list will show VDD errors typically on a single sensor, though different machines can have different VDD sensors go off:
+1V2_VDD
-> show -script /X/logs/event/list
Critical voltage value : host is being powered off
556 Wed Sep 5 12:15:27 2018 Chassis Log critical <====== SERVER CRASHED, POWERED OFF
Critical voltage value : host is being powered off
549 Wed Sep 5 12:07:52 2018 IPMI Log critical
ID = a00 : 09/05/2018 : 12:07:52 : Voltage : /MB/V_+1V2_VDD : Lower Non-recoverable going low : reading 0.72 <= threshold 1.08 Volts <====== LOW Voltage detected
548 Wed Sep 5 12:06:39 2018 Fault Fault critical
SP detected fault at time Wed Sep 5 12:06:39 2018. V_+1V2_VDD at /SYS/MB has exceeded low non-recoverable threshold.
547 Wed Sep 5 12:06:39 2018 IPMI Log major
ID = 900 : 09/05/2018 : 12:06:39 : Voltage : /MB/V_+1V2_VDD : Lower Critical going low : reading 0.71 <= threshold 1.09 Volts
546 Wed Sep 5 12:06:18 2018 IPMI Log minor
ID = 800 : 09/05/2018 : 12:06:18 : Voltage : /MB/V_+1V2_VDD : Lower Non-critical going low : reading 0.71 <= threshold 1.12 Volts
545 Wed Sep 5 12:05:54 2018 Chassis Log major
Host has been powered on <====== SERVER IS ON
544 Wed Sep 5 12:05:52 2018 Audit Log minor
root : Set : object = "/SYS/power_state" : value = "on" : success
-> show -script /X/logs/event/list
Critical voltage value : host is being powered off
556 Wed Sep 5 12:15:27 2018 Chassis Log critical <====== SERVER CRASHED, POWERED OFF
Critical voltage value : host is being powered off
549 Wed Sep 5 12:07:52 2018 IPMI Log critical
ID = a00 : 09/05/2018 : 12:07:52 : Voltage : /MB/V_+1V2_VDD : Lower Non-recoverable going low : reading 0.72 <= threshold 1.08 Volts <====== LOW Voltage detected
548 Wed Sep 5 12:06:39 2018 Fault Fault critical
SP detected fault at time Wed Sep 5 12:06:39 2018. V_+1V2_VDD at /SYS/MB has exceeded low non-recoverable threshold.
547 Wed Sep 5 12:06:39 2018 IPMI Log major
ID = 900 : 09/05/2018 : 12:06:39 : Voltage : /MB/V_+1V2_VDD : Lower Critical going low : reading 0.71 <= threshold 1.09 Volts
546 Wed Sep 5 12:06:18 2018 IPMI Log minor
ID = 800 : 09/05/2018 : 12:06:18 : Voltage : /MB/V_+1V2_VDD : Lower Non-critical going low : reading 0.71 <= threshold 1.12 Volts
545 Wed Sep 5 12:05:54 2018 Chassis Log major
Host has been powered on <====== SERVER IS ON
544 Wed Sep 5 12:05:52 2018 Audit Log minor
root : Set : object = "/SYS/power_state" : value = "on" : success
+1V0_VDD
2303 Fri Jan 25 07:26:41 2019 IPMI Log minor ID = ef00 : 01/25/2019 : 07:26:41 : Voltage : /MB/V_+1V0_VDD : Lower Non-critical going high : reading 1.00 >=
threshold 0.94 Volts
2298 Fri Jan 25 07:25:54 2019 IPMI Log minor ID = ee00 : 01/25/2019 : 07:25:54 : Voltage : /MB/V_+1V0_VDD : Lower Non-critical going low : reading 0.92 <=
threshold 0.94 Volts
2303 Fri Jan 25 07:26:41 2019 IPMI Log minor ID = ef00 : 01/25/2019 : 07:26:41 : Voltage : /MB/V_+1V0_VDD : Lower Non-critical going high : reading 1.00 >=
threshold 0.94 Volts
2298 Fri Jan 25 07:25:54 2019 IPMI Log minor ID = ee00 : 01/25/2019 : 07:25:54 : Voltage : /MB/V_+1V0_VDD : Lower Non-critical going low : reading 0.92 <=
threshold 0.94 Volts
On some occasions you may also see fatal errors on one or more CPUs:
2300 Fri Jan 25 07:26:23 2019 Chassis Log major Jan 25 07:26:23 ERROR: [CMP1 ] Received Fatal Error
2299 Fri Jan 25 07:26:23 2019 Chassis Log major Jan 25 07:26:23 ERROR: [CMP0 ] Received Fatal Error
Or
2365 Mon Jan 28 06:58:51 2019 Fault Fault critical
SP detected fault at time Mon Jan 28 06:58:51 2019. /SYS/MB/CMP1/P0 CPU causing reset errors
2364 Mon Jan 28 06:58:51 2019 Fault Fault critical
SP detected fault at time Mon Jan 28 06:58:51 2019. /SYS/MB/CMP0/P0 CPU causing reset errors
2299 Fri Jan 25 07:26:23 2019 Chassis Log major Jan 25 07:26:23 ERROR: [CMP0 ] Received Fatal Error
Or
2365 Mon Jan 28 06:58:51 2019 Fault Fault critical
SP detected fault at time Mon Jan 28 06:58:51 2019. /SYS/MB/CMP1/P0 CPU causing reset errors
2364 Mon Jan 28 06:58:51 2019 Fault Fault critical
SP detected fault at time Mon Jan 28 06:58:51 2019. /SYS/MB/CMP0/P0 CPU causing reset errors
Changes
None
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |