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Cisco Bug: CSCur20104 - Assertion failure at sess/mme/mme-app/app/mme_emm_fsm.c:3426

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.2.1.56721

Description (partial)

Symptom:
Assertion failure at sess/mme/mme-app/app/mme_emm_fsm.c:3426
  Function: mme_emm_registered_idle_handle_im_exit_evt()
  Expression: event->met_message_type == 9
  Proclet: sessmgr (f=87000,i=27)
  Process: card=6 cpu=0 arch=X pid=5240 cpu=~2% argv0=sessmgr
  Crash time: 2014-Oct-03+14:19:44 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (27416@0xffff7000):
    [ffffe430/X] __kernel_vsyscall() sp=0xffff7dd8
    [0ac0fb4f/X] sn_assert() sp=0xffff7e18
    [07bfa188/X] mme_emm_registered_idle_handle_im_exit_evt() sp=0xffff7e58
    [07ca4d32/X] mme_fsm_event_handler() sp=0xffff8308
    [07cd3e8f/X] mme_disp_handle_emm_evt() sp=0xffff8408
    [07cdb953/X] mme_disp_attached_handle_s1nas_msg() sp=0xffff84b8
    [07ca4d32/X] mme_fsm_event_handler() sp=0xffff8968
    [07b952b1/X] s1_access_recv_msg() sp=0xffff9458
    [07b849f3/X] UzLiSztDatInd() sp=0xffff9528
    [0cb33677/X] SzUiSztDatInd() sp=0xffff9548
    [0cb3b3d3/X] szUiSndDatInd() sp=0xffff95a8
    [0cb3484f/X] szSmRcvEstStMsg() sp=0xffff9638
    [0cb1f2ca/X] szLiCOMsgHandler() sp=0xffff96b8
    [0cb1fecc/X] szLiRcvFromLower() sp=0xffff9948
    [0cb223aa/X] SzLiSctDatInd() sp=0xffff9aa8
    [069b9ca6/X] sn_ccpu_s1ap_handle_data_ind() sp=0xffff9b38
    [040f44b7/X] sessmgr_mmemgr_data_ind() sp=0xffff9bd8
    [040f4be4/X] sessmgr_handle_mmemgr_req_bulk_data_ind.part.12() sp=0xffffb4b8
    [040f4fde/X] sessmgr_handle_mmemgr_req_bulk_data_ind() sp=0xffffb4f8
    [0acc7fb8/X] sn_msg_arriving_handle() sp=0xffffd5e8
    [0acad0e9/X] sn_loop_run() sp=0xffffda98
    [0aa5137d/X] main() sp=0xffffdb08

Conditions:
Collision between GNGP HO and TAU with the following crash.
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