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Cisco Bug: CSCus77082 - sessmgr crash during one of the test run with high no. of WLAN -> 4G HO

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.4.1

Description (partial)

Symptom:
sessmgr crash noticed during test run with high no. of WLAN to 4G HO's

Conditions:
While running the Call-model  with WLAN as below  & also with NON-WLAN related CMs
a) WLAN make break b) wlan to 4G continous HO c) wlan to 4g —to— X2 HO—to— S1 HO —to — wlan d) wlan to 4G mulit-pdn HO e) wlan to s4-sgsn HO
Assertion failure at sess/smgr/sessmgr_pgw.c:21496
  Function: sessmgr_pgw_do_common_newcall_processing()
  Expression: clp->ctxt_info[eindex] == ((void *)0)
  Proclet: sessmgr (f=87000,i=35)
  Process: card=7 cpu=0 arch=X pid=5817 cpu=~7% argv0=sessmgr
  Crash time: 2015-Feb-02+20:35:22 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (131071@0xfffd0000, probably truncated):
    [ffffe430/X] __kernel_vsyscall() sp=0xfffd0df8
    [0ac5555f/X] sn_assert() sp=0xfffd0e38
    [03e5f5b0/X] sessmgr_pgw_do_common_newcall_processing() sp=0xfffd1248
    [03ed690a/X] sessmgr_pgw_do_lte_s2bgtp_handover_newcall_processing() sp=0xfffd12f8
    [03e65a15/X] sessmgr_pgw_handle_new_call() sp=0xfffd17f8
    [05db1b7f/X] smgr_fsm_handle_handover_newcall() sp=0xfffd1848
    [03730755/X] smgr_fsm_state_connected() sp=0xfffddf18
    [036bc857/X] smgr_callline_fsm() sp=0xfffddfb8
    [05dcc7c1/X] sessmgr_app_svr_event_control_dispatch() sp=0xfffde428
    [047e5c6d/X] snx_pgw_driver_event_control_dispatch() sp=0xfffde468
    [047ea617/X] pgw_drv_send_snx_new_call() sp=0xfffdf498
    [048dc229/X] pgw_drv_fsm_handle_create_sess_ind() sp=0xfffdf718
    [048ecbb9/X] pgw_drv_handle_events_from_egtpc_app.part.16() sp=0xfffdfb88
    [0780c05f/X] egtpc_send_ind_evt() sp=0xfffe01f8
    [0781d2da/X] egtpc_handle_create_sess_req_msg() sp=0xfffe09b8
    [077e4982/X] egtpc_handle_tun_n_mob_mgmt_message() sp=0xfffe0c18
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