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Cisco Bug: CSCvu89270 - [BP-CUPS]: sesmgr restart at sessmgr_med_data_process_memif_pri()

Last Modified

Oct 07, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.18.9 21.20.1 21.20.1.76427 21.20.2 21.20.2.76636 21.20.3 21.20.3.76847 21.21.0

Description (partial)

Symptom:
Observing  session loss due to sessmgr restart with following signature:

Fatal Signal 11: 11
  PC: [06ecfa98/X] sessmgr_med_data_process_memif_pri()
  Faulty address: 0xe
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=1 cpu=0 arch=X pid=8907 cpu=~17% argv0=sessmgr
  Recent errno: 11 Resource temporarily unavailable
  Stack (4152@0x0xffdf2000):
    [06ecfa98/X] sessmgr_med_data_process_memif_pri() sp=0xffdf2aa8
    [06ed024e/X] sessmgr_med_data_receive_memif() sp=0xffdf2ab8
    [0d0f2f64/X] sn_epoll_run_events() sp=0xffdf2b08
    [0d0ffb6a/X] sn_loop_run() sp=0xffdf2fb8
    [0cdd2f65/X] main() sp=0xffdf3028

Conditions:
Observing this sessmgr  restart during internal longevity testing
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