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Cisco Bug: CSCuq19920 - Assertion in Function: snx_sgsn_app_driver_request_control_dispatch(14)

Last Modified

Dec 26, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.0.0 17.0.M0 18.0.0 18.2.0 19.3.v0 19.4.0 20.0.0 20.0.v0

Description (partial)

Symptom:
The following assert has been observed:
Assertion failure at sess/snx/drivers/sgsn-app/sgsn_app_drv.c:479
  Function: snx_sgsn_app_driver_request_control_dispatch()
  Expression: sn_status == SN_STATUS_SUCCESS
  Proclet: sessmgr (f=87000,i=50)
  Process: card=3 cpu=1 arch=X pid=13789 cpu=~3% argv0=sessmgr
  Crash time: 2014-Jul-31+04:07:08 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (131071@0xfffc9000, probably truncated):
    [ffffe430/X] __kernel_vsyscall() sp=0xfffc9e68
    [0acd635f/X] sn_assert() sp=0xfffc9ea8
    [06bd135b/X] snx_sgsn_app_driver_request_control_dispatch() sp=0xfffc9ef8
    [0407554d/X] sessmgr_sgsn_get_sm_ctx_info() sp=0xfffca068
    [04096414/X] sessmgr_collect_sgsn_call_rcvry_info() sp=0xfffca988
    [038b9252/X] sessmgr_collect_call_rcvry_information() sp=0xfffcaa38

Conditions:
This crash is observed under heavy traffic conditions with process session manager/AAA Manager restarts happening continuously.
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