Guest

Preview Tool

Cisco Bug: CSCvv82165 - After double-fault, sxdemux has incorrect view of sessmgr instances.

Last Modified

Oct 14, 2020

Products (2)

  • Cisco PGW Packet Data Network Gateway
  • Cisco PGW Packet Data Network Gateway

Known Affected Releases

21.15.49.77316 21.18.12

Description (partial)

Symptom:
1) Few calls dont come up on UPF, and fails with PFCP_CAUSE_NO_RESOURCE_AVAILABLE
2) if sxdemux unusual logs are enabled, "sxdemux 220936 unusual " is seen
3) "show demux-mgr statistics sxdemux all" shows following counter incrementing:

    Add Correlation Map dead Sessmgr          : 104447

Conditions:
1. back to back sessmgr crashes causing double fault scenario, 
2. establishment request from SMF, if it maps to above sessmgr based on correlation ID, it is failing with "sxdemux 220936 unusual "
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.