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Cisco Bug: CSCuq92118 - Assertion Failure in Function: egtpc_handle_del_bearer_cmd_req_evt(3)

Last Modified

Dec 26, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.0.0.56755 18.0.0.58732

Description (partial)

Symptom:
The session manager task restarts to recover from an unexpected error encountered at egtpc_handle_del_bearer_cmd_req_evt(), which is triggered by a collision of events.

Conditions:
This symptom is observed on Cisco ASR5000 running on software releases 17.0 and 18.0. When SGSN receives a downlink for primary, as part of service request procedure to establish the RABs, which leads to MBR. We are not feeding S4_SMN_EVT_DOWNLINK_DATA_IND event to PDP, which is already RAB active. So for this PDP, gen fsm and sma fsm are still in active state while MBR is initiated for bundle at s4 smn level. So on receiving deactivation for this PDP, the assert is caused at EGTPC.
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