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Cisco Bug: CSCvt33678 - SM failed due to Assertion failure at uplane_dns_pkt_inspection

Last Modified

Jun 19, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.15.26 21.15.29 21.16.4 21.18.2 21.19.0 21.19.n1

Description (partial)

Symptom:
Session manager restarts with following stack trace during call recovery.

 Stack (10888@0x0xffbd7000):
    0483f2d0/X] uplane_dns_pkt_inspection() sp=0xffbd7f98
    047c2a38/X] uplane_execute_service_chain() sp=0xffbd7fc8
    04a024ad/X] uplane_process_packet() sp=0xffbd8308
    06b0f0be/X] sessmgr_ipv6_process_inet_pkt_uplane() sp=0xffbd8b58
    06b23918/X] sessmgr_receive_ipv6_packets() sp=0xffbd8f68
    06b1afe2/X] sessmgr_med_proto_processing() sp=0xffbd9468
    06b22199/X] sessmgr_med_data_receive_memif() sp=0xffbd9508
    0d0f1b94/X] sn_epoll_run_events() sp=0xffbd9558
    0d0fe68a/X] sn_loop_run() sp=0xffbd9a08
    0cdf0b85/X] main() sp=0xffbd9a78
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