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Cisco Bug: CSCup82109 - CENT: hub MC CENT_COMMUNICATION_THREAD crash@cent_get_instance_by_id

Last Modified

Sep 17, 2019

Products (122)

  • Cisco IOS
  • Cisco 881SRSTW Integrated Services Router
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco 888W Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
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Known Affected Releases

15.4(3)M 15.4(3)S 15.5(0.15)T 15.5(1)S 15.5(1)T 15.5(3)S

Description (partial)

Symptom:
hub MC CENT_COMMUNICATION_THREAD process might report exception and power cycled unexpectedly like 
"
UNIX-EXT-SIGNAL: Segmentation fault(11), Process = CENT_COMMUNICATION_THREAD
-Traceback= 1#37370127acdafad8b94299f18b9a531b  :7FFDF049F000+BE390BE :7FFDF049F000+BE34B93 :7FFDF049F000+BE34AB5 :7FFDF049F000+A448F2F :7FFDF049F000+A448ADB :7FFDF049F000+BE3F148 :7FFDF049F000+BE3EF8C :7FFDF049F000+A41C20C 
"

Conditions:
After longevity test with multiple VRF instances, and issue fp and then following rp switchover on one of border router, could trigger this kind of issue.
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Bug Details Include

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