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Cisco Bug: CSCup31896 - 16.0 - MME - Assert @ diabase.c:27692 Fn:sn_diabase_message_ptr()

Last Modified

May 21, 2018

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.1(0) 17.0.0.55857 17.0.0.56172 18.0.0.58873

Description (partial)

Symptom:
Following Assert seen when Mobile terminated location reporting procedures are received at MME under load conditions with both emergency and normal calls present.

This will be only seen when same location service is associated to emergency and slg services.

Assertion failure at diameter/diabase/diabase.c:27692
  Function: sn_diabase_message_ptr()
  Expression: (!_msg_) || (_msg_->magic == (('d'<<24) | ('m'<<16) | ('s'<<8) | 'g'))
  Proclet: sessmgr (f=87000,i=252)
  Process: card=14 cpu=0 arch=X pid=7666 cpu=~6% argv0=sessmgr
  Crash time: 2014-Jun-11+11:34:55 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (30728@0xffff6000):
    [ffffe430/X] __kernel_vsyscall() sp=0xffff6198
    [0abb17ff/X] sn_assert() sp=0xffff61d8
    [0a61c855/X] sn_diabase_message_ptr() sp=0xffff6218
    [0a655a5c/X] sn_diam_create_message_pvt() sp=0xffff6ad8
    [0a65680b/X] sn_diam_create_message() sp=0xffff6b08
    [054d7c07/X] lcs_diabase_answer.constprop.18() sp=0xffff6f78
    [054da07e/X] lcs_send_response() sp=0xffffa188
    [07c60bc4/X] mme_app_slg_send_neg_pla() sp=0xffffa698
    [07ce19e9/X] mme_lcs_state_awt_loc_resp_handle_esmlc_loc_resp() sp=0xffffabf8
    [07c66962/X] mme_fsm_event_handler() sp=0xffffb0a8

Conditions:
Following Assert seen when Mobile terminated location reporting procedures are received at MME under load conditions with both emergency and normal calls present.

This will be only seen when same location service is associated to emergency and slg services.
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