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Cisco Bug: CSCus25923 - Sessmgr process restarts due to heart beat miss.

Last Modified

Feb 27, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.1.1.58309 18.0.0.58469

Description (partial)

sessmgr crash

Symptom:
Sessmgr process restarts.

Conditions:
This issue is seen only in local abort cases because after issuing local abort, sessmgr will clear subscriber CLP (callid X) without waiting for Gx response, Gx still will have the session information till it gets CCA-T or Tx timeout.
If sessmgr allocates same callid (X) for a new subscriber (this happens only at full load) and tries to send CCR_I to PCRF.
PCEF/Gx will check for the callid (X) and tries to delete the old session information.
Since CCA_T didn't come, deletion won't happen and goes into infinite loop (transaction deletion happens in a loop).

Heart beat misses to the sessmgr proclet and hence crashes with signal 6.
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