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Cisco Bug: CSCup64469 - Assertion Failure at Function: sctrl_config_sbc_service()

Last Modified

Feb 06, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.1.0.55634 17.0.0.55739 17.0.0.56687 18.0.0.58381

Description (partial)

Symptom:
Assertion failure at sess/sctrl/sessctrl_mme.c:8237
  Function: sctrl_config_sbc_service()
  Expression: status == SN_STATUS_SUCCESS
  Proclet: sessctrl (f=25000,i=0)
  Process: card=5 cpu=0 arch=X pid=7402 cpu=~34% argv0=sessctrl
  Crash time: 2014-Jun-30+12:01:40 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (125736@0xfffdf000):
    [ffffe430/X] __kernel_vsyscall() sp=0xfffdfb58
    [0abbbd9f/X] sn_assert() sp=0xfffdfb98
    [0441bc20/X] sctrl_config_sbc_service() sp=0xfffed3b8
    [0441cf6f/X] sctrl_sbc_service_apply_mme_service() sp=0xfffed608
    [0456ced7/X] sctrl_config_mme_service() sp=0xffffb408
    [0456dd3b/X] sessctrl_handle_config_mme_service_req() sp=0xffffb508
    [0ac73fc8/X] sn_msg_arriving_handle() sp=0xffffd5f8
    [0ac590f9/X] sn_loop_run() sp=0xffffdaa8
    [0a9fd66d/X] main() sp=0xffffdb18

Conditions:
After a few hours of run the following redundancy tests were performed, which results in following crash:
1. demux DPC card migration
2. task kill npumgr running on demux DPC card during step1 is in progress
3. mme-service is restarted by configuring "statistics collection-mode enodeb"
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