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Cisco Bug: CSCvu71822 - Assertion failure at sess/sgsn/sgsn-app/pmm/pmm_fsm

Last Modified

Jul 20, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.12.16

Description (partial)

Symptom:
Unexpected sessmgr restart observed with the following trace

Assertion failure at sess/sgsn/sgsn-app/pmm/pmm_fsm
  Note: Invalid/unhandled event PMM_EVT_IRAT_REJECTED_AT_2G in state PMM_ST_CONNECTED
  Function: pmm_ms_fsm_invalid_event_handler()
  Expression: 0
  Proclet: sessmgr (f=87000,i=122)
  Process: card=4 cpu=0 arch=X pid=17904 cpu=~2% argv0=sessmgr
  time: 2020-May-27+01:31:21 UTC
  Recent errno: 115 Operation now in progress
  Build_number: 75017
  Stack (50408@0x0xffca4000):
    [ffffe430/X] __kernel_vsyscall() sp=0xffca4bd8
    [0caf8f9b/X] sn_assert() sp=0xffca4c18
    [073d930a/X] pmm_ms_fsm_invalid_event_handler() sp=0xffca6408
    [0737d2d0/X] pmm_fsm_feed_event() sp=0xffca6498
    [07dbb560/X] sgsn_send_irat_event_from_2g_to_3g() sp=0xffca66a8
    [071ab323/X] sn_gprs_handle_rau_from_other_service() sp=0xffca68c8
    [071ad67c/X] sessmgr_gprs_handle_inter_sgsn_rau_type() sp=0xffca6e08
    [071b0d5c/X] sessmgr_gprs_handle_rau_request.isra.185() sp=0xffca71c8
    [071b3991/X] GeLiGmuGSigInd() sp=0xffca7258
    [0eecd021/X] GmUiGmuGSigInd() sp=0xffca72a8
    [0ee663ca/X] gmGmdAsgnCfmIn02() sp=0xffca73e8
    [0eead083/X] gmLlcProcAsnCfm() sp=0xffca7428
    [0ee1656e/X] GmLiGlsAsnCfm() sp=0xffca7658
    [0ee0d30f/X] GlUiGlsAsnCfm() sp=0xffca7678
    [0edd0adc/X] GlUiGlsAsnReq() sp=0xffca7768
    [0eecacc3/X] GmLiGlsAsnReq() sp=0xffca77d8
    [0ee844b1/X] gmGmdRAUIn01() sp=0xffca7878
    [0ee33d3e/X] gmGmdProcNewMSInd() sp=0xffca7c08
    [0ee17562/X] GmLiGlsGmmNewMsInd() sp=0xffca7e38
    [0ee0d499/X] GlUiGlsGmmNewMsInd() sp=0xffca7e98
    [0eddb705/X] GlLiGbrBUDatInd() sp=0xffca7f88
    [0edc63d0/X] GgUiGbrBUDatInd() sp=0xffca7fe8
    [0ed96515/X] ggSndPduToLlcRl() sp=0xffca8028
    [0ed9d1ed/X] ggHndlSgsnULUDat() sp=0xffca81f8
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