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Cisco Bug: CSCvv02127 - sessmgr crash - access_iu_send_security_mode_event()

Last Modified

Aug 25, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.17.6.75734

Description (partial)

Symptom:
******** show crash list *******
Thursday July 02 18:38:49 CEST 2020
=== ==================== ======== ========== =============== =======================
# Time Process Card/CPU/ SW HW_SER_NUM
PID VERSION MIO / Crash Card
=== ==================== ======== ========== =============== =======================
7 2020-Jul-02+10:03:42 sessmgr 04/0/08388 21.17.6 SAD2004000B/FLM223705F8
********************* CRASH #07 ***********************
SW Version : 21.17.6
Similar Crash Count : 3
Time of First Crash : 2020-Jun-22+20:09:41
Assertion failure at sess/sgsn/sgsn-app/access/access_iu.c:1820
Function: access_iu_send_security_mode_event()
Expression: (((iuConCb) != ((void *)0)) && ((iuConCb)->magic == ('C')))
Proclet: sessmgr (f=87000,i=1023)
Process: card=4 cpu=0 arch=X pid=8388 cpu=~6% argv0=sessmgr
Crash time: 2020-Jul-02+08:03:42 UTC
Recent errno: 11 Resource temporarily unavailable
Build_number: 75734
Stack (26136@0x0xff9d7000):
[ffffe430/X] __kernel_vsyscall() sp=0xff9d7318
[0cc4d6a7/X] sn_assert() sp=0xff9d7378
[081cad25/X] access_iu_handle_perform_ciphering() sp=0xff9d7458
[081d0ebe/X] access_iu_handle_secure_link_api() sp=0xff9d74e8
[081d0fed/X] gmm_acc_secure_link_req() sp=0xff9d7518
[077d5a7f/X] pmm_util_start_security() sp=0xff9d7578
[078d1b57/X] pmm_ms_fsm_handle_new_con_ind() sp=0xff9d75c8
[0781a140/X] pmm_fsm_feed_event() sp=0xff9d7658
[0788ba7f/X] handle_new_con_for_existing_ms() sp=0xff9d7b78
[0788dbf7/X] acc_gmm_new_con_ind() sp=0xff9d80d8
[08214de2/X] access_iu_process_update_request_in_initial_ue() sp=0xff9d8388
[08216822/X] SNUiRptConInd() sp=0xff9d8878
[0e689b65/X] RaUiRptConInd() sp=0xff9d88b8
[0e6719e1/X] raLiCnInitUEMsg() sp=0xff9d8a18
[0e65c890/X] RaLiSptConInd() sp=0xff9d8c98
[0e7e8df2/X] SpUiSptConInd() sp=0xff9d8cb8
[0e7db06b/X] spConRequest() sp=0xff9d8e68
[0e7df072/X] spLiHndlCr() sp=0xff9d9528
[0e7b3422/X] SpLiSntUDatInd() sp=0xff9d9728
[0e7ac917/X] cmUnpkSntUDatInd() sp=0xff9d9798
[0e7e79c4/X] spActvTsk() sp=0xff9d97d8
[09685b70/X] skTskHdlr() sp=0xff9d98a8
[0967c915/X] SPstTsk() sp=0xff9d99b8
[09691765/X] sn_process_pst_req() sp=0xff9d9ee8

Conditions:
sessmgr Crash observed 
SGSN/MME
ASR5500
21.17.6 (75734)
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