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Cisco Bug: CSCup29832 - LTE-MME:congestion:mmemgr Fatal Signal 11: Segfault:MME_UzLiSztUDatInd()

Last Modified

Jan 27, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.0(1)

Description (partial)

Symptom:
following seg fault is observed
Fatal Signal 11: Segmentation fault
  PC: [07d0d635/X] MME_UzLiSztUDatInd()
  Faulty address: (nil)
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=1 cpu=0 arch=X pid=14084 cpu=~0% argv0=mmemgr
  Crash time: 2014-Jun-10+14:40:42 UTC
  Recent errno: 115 Operation now in progress
  Stack (15224@0xffffa000):
    [07d0d635/X] MME_UzLiSztUDatInd() sp=0xffffad58
    [0cb43ba7/X] SzUiSztUDatInd() sp=0xffffad78
    [0cb4bb0a/X] szUiSndUDatInd() sp=0xffffadd8
    [0cb36a62/X] szMgmtLiSetupReq() sp=0xffffae48
    [0cb304ec/X] szLiRcvFromLower() sp=0xffffb0d8
    [0cb329ca/X] SzLiSctDatInd() sp=0xffffb238
    [07cfd496/X] MmLiSctDatInd() sp=0xffffcba8
    [0ca52657/X] SbUiSctDatInd() sp=0xffffcbe8
    [0c9ef98c/X] sbSqInSendUp() sp=0xffffcc58
    [0c9f1281/X] sbSqArrive() sp=0xffffccb8
    [0c9f233a/X] sbSgAssemble() sp=0xffffccf8
    [0ca087e8/X] sbAcRcvData() sp=0xffffcd48
    [0ca01af2/X] sbCmDemux() sp=0xffffce88
    [0ca043c2/X] sbVaDatInd() sp=0xffffcf78
    [0c9eb5c6/X] SbLiHitUDatInd() sp=0xffffd018
    [07cd42d1/X] mmemgr_rx_sctp_pdu() sp=0xffffd158
    [07cd5275/X] mmemgr_med_data_receive() sp=0xffffd5f8
    [0acc626c/X] sn_epoll_run_events() sp=0xffffd648
    [0acca751/X] sn_loop_run() sp=0xffffdaf8
    [0aa6cbdd/X] main() sp=0xffffdb68

Conditions:
while removing congestion-action-profile  config with "lapi " crash is observed.
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