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Cisco Bug: CSCvu78378 - Task restart while handling REL_ACCESS_BEARERS_REQ

Last Modified

Sep 30, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.17.1.74081

Description (partial)

Symptom:
Sessmgr restart while handling REL_ACCESS_BEARERS_REQ with following symptoms:
<div style="font-family:monospace;border-radius: 4px;padding: 6px;">Fatal Signal 11: 11
  PC: [043861fc/X] sessmgr_sgw_handle_modify_req_delete_idle()
  Faulty address: 0x140
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=7 cpu=0 arch=X pid=10198 cpu=~1% argv0=sessmgr
  Cr@sh time: 2020-Jun-20+23:53:56 UTC
  Recent errno: 11 Resource temporarily unavailable
  Build_number: 74081
  Stack (131071@0x0xfff46000, probably truncated):
    [043861fc/X] sessmgr_sgw_handle_modify_req_delete_idle() sp=0xfff46e18
    [043c0b38/X] sessmgr_sgw_handle_modify_req() sp=0xfff46e88
    [0680fc8f/X] sessmgr_app_svr_event_control_dispatch() sp=0xfff47508
    [0620e548/X] snx_saegwdrv_event_control_dispatch() sp=0xfff48178
    [0608f913/X] sgwdrv_pdn_rab_idle_modify_req_to_smgr() sp=0xfff486e8
    [060f9f24/X] sgwdrv_pdn_fsm_st_connected_evt_s1_rel_ind() sp=0xfff49258
    [060d9213/X] sgwdrv_run_pdn_fsm() sp=0xfff49708
    [060fec3c/X] sgwdrv_ue_fsm_st_connected_evt_s1_rel_ind() sp=0xfff4a268
    [0609ef8c/X] sgwdrv_run_ue_fsm() sp=0xfff4a718
    [060a06a1/X] sgwdrv_process_egtpc_release_access_bearer_ind.isra.165() sp=0xfff4b0f8
    [061a4c4d/X] sgwdrv_egtpc_event_dispatch.part.265() sp=0xfff4c478
    [061a703a/X] sgwdrv_egtpc_event_dispatch() sp=0xfff4c618
    [088973be/X] egtpc_send_ind_evt() sp=0xfff4d2d8
    [0896fee0/X] egtpc_handle_rel_access_bearers_req_msg() sp=0xfff4d5e8
    [087ff582/X] egtpc_handle_tun_n_mob_mgmt_message() sp=0xfff4dbe8
  Last Bounce:
</div>

Conditions:
NA
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