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Cisco Bug: CSCus54259 - Assertion Failure at sess/mme/mme-app/app/mme_emm_fsm

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(933)

Description (partial)

Symptom:
Assertion failure leading to session manager process restart, with the signature:
Function: mme_emm_handle_lastpdn_triggered_implicit_ue_detach()
Expression: status != SN_STATUS_FAILURE

Conditions:
Configure idle mode detach policy implicit detach:

1) Attach in 4G

2) Additional PDN

3) S1 release

4) TAU in idle mode with eps_bearer status inactive for additional PDN and bearer establish requested

5) TAU accept retried, send S1 release.

6) Send DBR for the PDN that got connected during attach (step 1).
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