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Cisco Bug: CSCuj51517 - envmon:Voltage Alarm:sensor VP1P0_SAC0_VDDD_VDDACM msg seen on reload

Last Modified

Oct 21, 2019

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.3.4.BASE

Description (partial)

Symptom:
PLATFORM-ENVMON voltage alarm may be triggered and subsequently cleared. Messages similar to those shown below may appear in syslog:

RP/0/RSP0/CPU0:Nov  3 21:19:45.038 : envmon[206]: %PLATFORM-ENVMON-4-CARD_VOLTAGE_ALARM : Voltage sensor alarm slot 0/RSP1/CPU0, sensor VP1P8_10GPHY_LDO measured 1199 mV and out of operational range 1747 - 1853 mV
RP/0/RSP0/CPU0:Nov  3 21:19:45.039 : eem_ed_hardware[189]: Messge received content : Event 4   NodeId: 0x51   Threshold CARD_VOLTAGE_ALARM  Info Sensor: VP1P8_10GPHY_LDO Val:  Severity 0x8  Frutype 0x8  Alarm_raised 1 Alarm_type 2
RP/0/RSP0/CPU0:Nov  3 21:19:45.764 : envmon[206]: %PLATFORM-ENVMON-2-ENV_CONDITION : Outstanding environmental condition exists in the chassis
RP/0/RSP0/CPU0:Nov  3 21:30:41.053 : envmon[206]: %PLATFORM-ENVMON-4-CARD_VOLTAGE_ALARM_CLEAR : Voltage sensor alarm cleared slot 0/RSP1/CPU0, sensor VP1P8_10GPHY_LDO measured 1800 mV and returned to operational range
RP/0/RSP0/CPU0:Nov  3 21:30:41.053 : eem_ed_hardware[189]: Messge received content : Event 4   NodeId: 0x51   Threshold CARD_VOLTAGE_ALARM  Info Sensor: VP1P8_10GPHY_LDO Val:  Severity 0x8  Frutype 0x8  Alarm_raised 0 Alarm_type 2
RP/0/RSP0/CPU0:Nov  3 21:30:41.768 : envmon[206]: %PLATFORM-ENVMON-2-ENV_CONDITION : Outstanding environmental condition cleared in the chassis

Conditions:
This issue was seen on an ASR9k running IOS XR 4.3.1. However, other XR platforms and versions may also be affected.
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