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Cisco Bug: CSCun87260 - sessmgr Sig11:Segfault mme_app_dns_get_pgw_ip_addr_and_update_pgw_fqdn()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(17) 16.1(0)

Description (partial)

sessmger crash in the testlab using a call simulator. Detail of this sessmgr crash is following:

********************* CRASH #09 ***********************
SW Version          : 15.0(53496)
Similar Crash Count : 1
Time of First Crash : 2014-Mar-20+00:25:32

Fatal Signal 11: Segmentation fault
  PC: [077127e0/X] mme_app_dns_get_pgw_ip_addr_and_update_pgw_fqdn()
  Faulty address: 0x74636572
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=3 cpu=0 arch=X pid=1438 cpu=~1% argv0=sessmgr

This problem occurs during following scenario:   
Test with 2000 eNodeBs and 4 HSSs simulated.
call model : 
1) 1500 Attach/sec
2) For each Attach wait 3 minutes then detach.
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