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Cisco Bug: CSCur52870 - SGSN/MME - Fatal Signal 11:PC: [0c3fa756/X] gmBvcResetReconcile()

Last Modified

Jan 29, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(21)

Description (partial)

Symptom:
ASR5K SGSN/MME combo crashes with following crash signature and seems to affect all Sessmgr processes

Fatal Signal 11: Segmentation fault
  PC: [0c3fa756/X] gmBvcResetReconcile()
  Faulty address: 0x1a
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=6 cpu=0 arch=X pid=7720 cpu=~15% argv0=sessmgr
  Crash time: 2014-Oct-30+03:06:21 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (14392@0xffffa000):
    [0c3fa756/X] gmBvcResetReconcile() sp=0xffffaa68
    [04139586/X] sessmgr_gprs_handle_gb_one_bvci_updt_req_msg() sp=0xffffaba8
    [0ab5a44b/X] sn_msg_arriving_handle() sp=0xffffd258
    [0ab37e55/X] sn_loop_run() sp=0xffffd7e8
    [0a922174/X] main() sp=0xffffd828

Conditions:
Issue appears to coincide with BSC upgrade and reload is performed
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