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Cisco Bug: CSCvs33216 - [cups] crash observed @ egtpc_handle_user_sap_event -NTSR

Last Modified

Oct 02, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.15.16 21.16.3 21.16.c4 21.16.c4.73779 21.16.d0 21.17.1 21.18.0

Description (partial)

Sessmgr reload was observed when deletion due to DBR was in progress and SGW Relocation(DSREQ with SI=1) is received.

This issue can be reproduced with below steps:

1. Create a multipdn pure s call.
2. Perform deletion of one pdn.
3. Hold the DBRSP from MME and perform SGW HO(DSREQ with SI=1).
4. Now as a result of this we were purging the last pdn for which we have to sent the DSRSP for DSREQ(SI=1).
5. Now when we receive ST conformation for all pen's and try to send DSRSP, we see the reported crash as egtpc ingress side cleanup was already done.
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