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Cisco Bug: CSCup71390 - [17.0-SGSN]:seg fault@PC: [06d69926/X] pmm_clear_subscriber()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

Description (partial)

Fatal Signal 11: Segmentation fault
  PC: [06d69926/X] pmm_clear_subscriber()
  Faulty address: 0xffffffff
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=4 cpu=0 arch=X pid=7343 cpu=~20% argv0=sessmgr
  Crash time: 2014-Jul-02+15:27:56 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (56088@0xffff0000):
    [06d69926/X] pmm_clear_subscriber() sp=0xffff0e38
    [06db8d25/X] pmm_handle_inter_sgsn_rau_completion_at_old_sgsn() sp=0xffff0ea8
    [06dc9b03/X] pmm_handle_sgsn_context_ack() sp=0xffff0fd8
    [06dcbf54/X] pmm_ms_fsm_handle_sgsn_ctx_ack() sp=0xffff1058
    [06d1662f/X] pmm_fsm_feed_event() sp=0xffff10e8
    [06d1bbc2/X] sgsn_app_gtp_pmm_event_dispatch() sp=0xffff1588
    [06bf2e21/X] sn_gt_dispatch_mm_msg_to_service_user() sp=0xffff15d8
    [06bf758d/X] sn_gt_process_sgsn_ctx_ack_peer() sp=0xffff19d8
    [06bf1fca/X] sn_gt_handle_pmm_cfm() sp=0xffff1df8
    [06c6399c/X] gtapp_process_gtp_response_msg() sp=0xffff1ea8
    [06c6439a/X] sn_gt_gtp_app_recv_msg() sp=0xffffb018

After some hours of run, Demux DPC card migration and port shutdown tests were performed, which results in the following crash.
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