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Cisco Bug: CSCul34939 - [ATT] Crash : hnbapp_ue_registration_timeout_cb

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

14.0(38)

Description (partial)

Symptom:
This crash as mentioned in the summary follows the crash mentioned in the PR CSCul34732. So this means when the sessmgr recovery start post the scenario observed in CSCul34732 then UE context is deleted without stopping the UE_IDLE timer. Followed by this the UE de-registration triggered due to expiry of UE idle timer. Since UE context is already deleted a crash is observed at the function hnbapp_ue_registration_timeout_cb.

Conditions:
HNB1 is registered
UE1 is registered
For HNB2 only SCTP association is up
for HNB2 shutdown is sent from HNB to HNBGW
HNB2 does not respond to shutdown ack from HNBGW
shutdown ack timer expires at HNBGW and a crash is observed,
sessmgr recovery starts but UE1 idle not stopped and its context is deleted,
UE1 IDlE timer exprires and crash is observed in function hnbapp_ue_registration_timeout_cb
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