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Cisco Bug: CSCvu56001 - Fatal Signal 11:smgr_fsm_handle_drv_abort_mod_proc on cups control-plane node

Last Modified

Oct 19, 2020

Products (2)

  • Cisco PGW Packet Data Network Gateway
  • Cisco ASR 5500

Known Affected Releases 21.18.7 21.21.0

Description (partial)

Fatal Signal at smgr_fsm_handle_drv_abort_mod_proc

Stack (37592@0x0xffe7f000):
[06838010/X] smgr_fsm_handle_drv_abort_mod_proc() sp=0xffe7f6f8
[03c0e50a/X] smgr_fsm_state_connected() sp=0xffe813b8
[03b78863/X] smgr_callline_fsm() sp=0xffe81548
[0688f998/X] sessmgr_app_svr_event_control_dispatch() sp=0xffe81bc8
[054adf4a/X] snx_pppdrv_event_control_dispatch() sp=0xffe81c58
[0926755a/X] ggsnapp_event_control_dispatch() sp=0xffe81c98
[0928cb18/X] ggsnapp_send_snx_abort_mod_proc() sp=0xffe81e38
[092a4d1d/X] ggsnapp_abort_ongoing_procedure() sp=0xffe81ed8
[092b187c/X] ggsnapp_fsm_siupc_pend_handle_siupc_req() sp=0xffe81f28
[0925cb73/X] ggsnapp_tun_fsm_pass_evt_to_pdp_fsm() sp=0xffe81fc8
[092e10f8/X] ggsnapp_handle_upc_req() sp=0xffe82328
[092f055c/X] ggsnapp_process_gtp_request_msg() sp=0xffe82778
[092f12fd/X] ggsnapp_recv_msg() sp=0xffe877d8
[06c1bf63/X] sessmgr_med_proto_processing() sp=0xffe87cd8
[06c21433/X] sessmgr_med_data_receive() sp=0xffe87d58
[0cd72c84/X] sn_epoll_run_events() sp=0xffe87da8
[0cd7f88a/X] sn_loop_run() sp=0xffe88258
[0ca53735/X] main() sp=0xffe882c8

4G call is running with dedicated bearer, on performing 4G to 3G handover, few SX transactions are not getting cleared which cause the signature
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