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Cisco Bug: CSCuq04876 - ASR5K - mmemgr crash Fatal Signal 11 Segmentation fault - sbPmRcvSack()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.0(1)

Description (partial)

Symptom:
Customer BMC is seeing following crash #2 in their ASR5K MME.

1  2014-Jul-17+23:19:05 mmemgr   01/0/04945 16.0(54733) SAD151701GH/SAD1516024W
2  2014-Jul-17+23:19:13 mmemgr   01/0/09694 16.0(54733) SAD151701GH/SAD1516024W
3  2014-Jul-18+14:38:57 sessmgr  02/0/07902 16.0(54733) SAD151701GH/SAD151800TX

Total Crashes : 5

********************* CRASH #02 ***********************
SW Version          : 16.0(54733)
Similar Crash Count : 1
Time of First Crash : 2014-Jul-17+23:19:13

Fatal Signal 11: Segmentation fault
  PC: [0c8622f6/X] sbPmRcvSack()
  Faulty address: 0xe7f3be4c
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=1 cpu=0 arch=X pid=9694 cpu=~85% argv0=mmemgr
  Crash time: 2014-Jul-18+03:19:13 UTC
  Recent errno: 115 Operation now in progress
  Stack (6152@0xffffc000):
    [0c8622f6/X] sbPmRcvSack() sp=0xffffc718
    [0c86d3dd/X] sbAcAckChunk() sp=0xffffc7b8
    [0c883563/X] sbAcRcvSack() sp=0xffffc8b8
    [0c864fe4/X] sbCmDemux() sp=0xffffc9f8
    [0c86817d/X] sbVaDatInd() sp=0xffffcae8
    [0c84f4fe/X] SbLiHitUDatInd() sp=0xffffcb88
    [079ed914/X] mmemgr_rx_sctp_pdu() sp=0xffffccc8
    [079ee8c5/X] mmemgr_med_data_receive() sp=0xffffd288
    [0ab24a2c/X] sn_epoll_run_events() sp=0xffffd2d8
    [0ab28ed1/X] sn_loop_run() sp=0xffffd788
    [0a8ccc2d/X] main() sp=0xffffd7f8

Conditions:
Unknown
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