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Cisco Bug: CSCuo29684 - sessmgr Assertion sessmgr_ggsn.c:3493 sessmgr_ggsn_handle_new_call()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

14.0(1) 15.0(17)

Description (partial)

Symptom:
Assertion failure at sess/smgr/sessmgr_ggsn.c:3493
  Function: sessmgr_ggsn_handle_new_call()
  Expression: sizeof(sess->qos)>=newcall->newcall.ggsn_newcall.pdu->m.cpc_req.raw_qos.qos.length
  Proclet: sessmgr (f=87000,i=148)
  Process: card=4 cpu=0 arch=X pid=25619 cpu=~16% argv0=sessmgr
  Crash time: 2014-Apr-15+12:31:52 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (105400@0xfffe4000):
    [f7e285a1/X] libc.so.6/kill() sp=0xfffe4858
    [0aa52423/X] sn_assert() sp=0xfffe4888
    [05ceac4b/X] sessmgr_ggsn_handle_new_call() sp=0xfffe5608
    [05c7ca0d/X] smgr_fsm_handle_new_call() sp=0xfffe5638
    [036db43d/X] smgr_fsm_state_open() sp=0xffff17f8
    [036daced/X] smgr_callline_fsm() sp=0xffff1838
    [05cb2158/X] sessmgr_app_svr_event_control_dispatch() sp=0xffff1ed8
    [046d7d13/X] snx_pppdrv_event_control_dispatch() sp=0xffff1f28
    [07873e44/X] ggsnapp_event_control_dispatch() sp=0xffff1f58
    [078960b4/X] ggsnapp_send_snx_new_call() sp=0xffff2f88
    [078b8e7e/X] ggsnapp_fsm_handle_prim_cpc_req() sp=0xffff3028
    [078d4e84/X] ggsnapp_tun_fsm_handle_prim_cpc_req() sp=0xffff34b8
    [078b5911/X] ggsnapp_process_prim_cpc_req_msg() sp=0xffff37e8
    [078b2092/X] ggsnapp_handle_cpc_req() sp=0xffff3c28
    [078b1a4f/X] ggsnapp_process_gtp_request_msg() sp=0xffff4068
    [07880848/X] ggsnapp_recv_msg() sp=0xffff91d8
    [04281649/X] sessmgr_process_egtpcm_add_session_req() sp=0xffff92b8
    [034618b7/X] sessmgr_handle_demux_smgr_req_add_session_variable_size() sp=0xffffaf28
    [0ab041bb/X] sn_msg_arriving_handle() sp=0xffffd5d8
    [0aae1bc5/X] sn_loop_run() sp=0xffffdb68
    [0a8cbee4/X] main() sp=0xffffdba8

Conditions:
Multiple sessgmr crashes in 15.0(53496) build. 
GGSN node
After latest crash ASR5k had to be rebooted by switch the SMC card.
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