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Cisco Bug: CSCul17600 - sessmgr Assertion egtpc_handle_rel_access_bearers_req_evt()

Last Modified

Jan 30, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

14.0(1) 14.0(43) 14.0(48) 15.0 15.0(14)

Description (partial)

Symptom:
We would see Session Manager crashes when CONTEXT-REQUEST is received from peer SGSN after the subscriber moves from 4G to 3G while a pdn procedure (eg: Bearer modification/deletion/creation/pdn connection/pdn disconnection) is ongoing in 4g.

Conditions:
1. Attach in MME.
2. Update Bearer/Delete Bearer/Create Bearer/Pdn connect/Pdn disconnect Request from SGW. Context Req from peer SGSN is received by MME while the pdn/bearer procedure is ongoing.
3. Send S1 UE-CTXT-RELEASE from enodeB.
This Session Manager crash appears at this point.
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