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Cisco Bug: CSCup64488 - [16.1-mmemgr]:segfault@PC:[07abdeb0/X] mmemgr_process_start_service_req

Last Modified

Dec 24, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

Description (partial)

Fatal Signal 11: Segmentation fault
  PC: [07abdeb0/X] mmemgr_process_start_service_req()
  Faulty address: 0x78e8
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=8 cpu=1 arch=X pid=13531 argv0=mmemgr
  Crash time: 2014-Jun-30+12:03:47 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (11032@0xffffb000):
    [07abdeb0/X] mmemgr_process_start_service_req() sp=0xffffb3f8
    [07abe7d7/X] mmemgr_handle_req_start_service() sp=0xffffb4f8
    [0ac73fc8/X] sn_msg_arriving_handle() sp=0xffffd5e8
    [0ac590f9/X] sn_loop_run() sp=0xffffda98
    [0a9fd66d/X] main() sp=0xffffdb08

After some 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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