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Cisco Bug: CSCuo38572 - Multiple SM crashes at Function: egtpc_handle_delete_bearer_rsp_evt(4)

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.0.0.56182 18.0.0.58732

Description (partial)

Symptom:
Assertion failure at sess/egtp/egtpc/egtpc_evt_handler_func.c:4697
  Note: Transaction is in EGTPC_TRANS_STATE_CREATE_SESS_REQ state
  Function: egtpc_handle_delete_bearer_rsp_evt()
  Expression: 0
  Code: CRASH
  Proclet: sessmgr (f=87000,i=51)
  Process: card=3 cpu=1 arch=X pid=9180 cpu=~22% argv0=sessmgr
  Crash time: 2014-Apr-19+07:14:31 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (59400@0xfffef000):
    [ffffe430/X] __kernel_vsyscall() sp=0xfffefd48
    [0aa8382f/X] sn_assert() sp=0xfffefd88
    [0777ccbb/X] egtpc_handle_delete_bearer_rsp_evt() sp=0xffff01f8
    [07712acf/X] egtpc_handle_user_sap_event() sp=0xffff07c8
    [0711a42b/X] s4_smn_send_delete_bearer_response() sp=0xffffc858
    [0711b071/X] s4_smn_proceed_to_dbr_response.isra.409() sp=0xffffc8d8
    [0711b59c/X] s4_smn_handle_deallocate_nwtk_res_cfm() sp=0xffffca38
    [06ca55f9/X] SmGenRelSessionCfm() sp=0xffffcee8
    [06e5013f/X] sma_handle_deact_acc() sp=0xffffcfa8
    [06cb43a0/X] ProcessAccEvent() sp=0xffffd058
    [06d38ee8/X] sma_ms_deact_acc() sp=0xffffd128
    [06d3a0d6/X] sma_handle_retrans_timer_expiry_callback() sp=0xffffd1b8
    [0510b300/X] tlib_serv() sp=0xffffd208
    [0510afac/X] tlib_tmr_tick() sp=0xffffd258
    [04565e82/X] snx_timer_service() sp=0xffffd268
    [04563d8f/X] snx_fast_service() sp=0xffffd298
    [05ceef2a/X] sessmgr_snx_tick_callback() sp=0xffffd2d8
    [0ab21c19/X] sn_loop_run() sp=0xffffd788
    [0a8c5f3d/X] main() sp=0xffffd7f8

Conditions:
During overnight call model run, this crash was observed in system-test setup.
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