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Cisco Bug: CSCvv29212 - RP1 auto reload after SU and before commit

Last Modified

Oct 01, 2020

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

6.5.26.BASE

Description (partial)

Symptom:
When an RP ethernet switch goes for a reset due to DMA failure, the peer RP is reloaded by rvm_mgr process on the local RP (where switch reset is observed)


Following is the set of console logs observed in the scenario:
0/RP0/ADMIN0:Jun 25 05:45:09.981 : esd[3487]: %INFRA-ESD-6-SWITCH_PON_RESET : Ethernet switch reset on slot 11, SUCCEEDED 
0/RP0/ADMIN0:Jun 25 05:45:10.484 : esd[3487]: %INFRA-ESD-6-PROCESS_EXIT : ESD process is exiting, reason 0xefdf, fatal switch DMA error
  
0/RP0/ADMIN0:Jun 25 05:45:45.660 : rvm_mgr[3516]: %PKT_INFRA-RVM_MGR-3-ERROR : Admin and Service VM down on card 0/RP1, reloading card..
0/RP0/ADMIN0:Jun 25 05:45:45.661 : cm[3481]: %ROUTING-TOPO-2-STANDALONE_LEAD : Declaring Self as the standalone Rack Lead.
0/RP0/ADMIN0:Jun 25 05:45:45.692 : shelf_mgr[3521]: %INFRA-SHELF_MGR-4-CARD_RELOAD : Reloading card 0/RP1

Conditions:
Ethernet-switch reset on an RP node due to DMA errors
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