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Cisco Bug: CSCvs36008 - PGW-U - CUPS - sessmgr restart at snx_fast_buf_alloc()

Last Modified

Dec 18, 2019

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.15.13.73754

Description (partial)

Symptom:
sessmgr restart was seen on PGW-U (CUPS)

Fatal Signal 11: Segmentation fault
  PC: [05eca0c6/X] snx_fast_buf_alloc()
  Faulty address: 0xc
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=1 cpu=0 arch=X pid=12925 cpu=~19% argv0=sessmgr

  Recent errno: 11 Resource temporarily unavailable
  Build_number: 73754
  Stack (131071@0x0xff848000, probably truncated):
    [05eca0c6/X] snx_fast_buf_alloc() sp=0xff848198
    [05eca770/X] allocbuf() sp=0xff8481c8
    [05ecb77e/X] copybuf() sp=0xff8481f8
    [05ecb7fe/X] copymsgbuf() sp=0xff848228
    [0926dd9d/X] sx_send_req_msg() sp=0xff848318
    [0926f286/X] sx_tun_fsm_handle_sess_report_req_evt() sp=0xff8483c8
    [09261dd1/X] sx_handle_user_sap_event() sp=0xff8484f8
    [057050af/X] uplane_drv_send_sess_report_req_to_sx() sp=0xff848618
    [05706672/X] uplane_drv_fsm_handle_sess_report_req() sp=0xff848658
    [056fff12/X] uplane_drv_handle_events_from_smgr() sp=0xff8486a8
    [057099c0/X] snx_uplane_driver_request_control_dispatch() sp=0xff848788
  Registers:


Conditions:
NA
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