Symptom

RP Alarm Major LED seen RED due to Canbus detected CPI failed upon LC removal. RP/0/RP0/CPU0:router#admin show led ============================================================= Location LED Name Mode Color ============================================================= 0/RP0 0/RP0-Fail LED WORKING OFF 0/RP0-ACO LED WORKING OFF 0/RP0-Alarm Minor LED WORKING OFF 0/RP0-Alarm Major LED WORKING RED 0/RP0-Alarm Critical LED WORKING OFF 0/RP0-FC Fault LED WORKING OFF 0/RP1 0/RP1-Fail LED WORKING OFF 0/RP1-ACO LED WORKING OFF 0/RP1-Alarm Minor LED WORKING OFF 0/RP1-Alarm Major LED WORKING RED 0/RP1-Alarm Critical LED WORKING OFF 0/RP1-FC Fault LED WORKING OFF

Conditions

Canbus detected CPI failed upon LC removal. RP/0/RP0/CPU0:router#admin show alarms brief ------------------------------------------------------------------------------- Active Alarms ------------------------------------------------------------------------------- Location Severity Group Set time Description ------------------------------------------------------------------------------- 0/17 major controller 04/01/20 00:56:20 Canbus detected CPI failed RP/0/RP0/CPU0:router#show logging 0/RP0/ADMIN0:2020 Apr 1 02:56:20.340 : canbus_driver[4418]: %PLATFORM-CANB_SERVER-7-CBC_PRE_RESET_NOTIFICATION : Node 0/17 CBC-1, reset reason CPU_RESET_PLDREQ_HRESET (0x0c000000) 0/RP0/ADMIN0:2020 Apr 1 02:56:20.351 : shelf_mgr[4450]: %INFRA-SHELF_MGR-5-CARD_REMOVAL : Location: 0/17, Serial#: 0/RP0/ADMIN0:2020 Apr 1 02:56:20.454 : canbus_driver[4418]: %PLATFORM-CANB_SERVER-3-ALARM_INDICATION : Raise alarm from CBC1 in slot 0/17, alarm code CBC_ALRM_CPI_FAILED

Workaround

Reloading the problem RP clears the alarm

Further Problem Description