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Cisco Bug: CSCut31086 - PGw: Assertion failure / sessmgr_pgw_send_delete_bearer_to_driver()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(927)

Description (partial)

Symptom:
Sessmgr crash happen with below stack trace.
 
Assertion failure at sess/smgr/sessmgr_pgw.c:8314
  Function: sessmgr_pgw_send_delete_bearer_to_driver()
  Expression: clp->driver_call_handle != ((void *)0)
  Proclet: sessmgr (f=87000,i=128)
  Process: card=8 cpu=1 arch=X pid=5814 cpu=~1% argv0=sessmgr
  Crash time: 2015-Mar-09+07:21:11 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (56248@0xffff0000):
    [f7e285a1/X] libc.so.6/kill() sp=0xffff0fd8
    [0a9f45e3/X] sn_assert() sp=0xffff1008
    [03f91024/X] sessmgr_pgw_send_delete_bearer_to_driver() sp=0xffff1218
    [03fd1694/X] sessmgr_pgw_handle_delete_bearer_retry_exceeded() sp=0xffff12e8
    [03fcff36/X] sessmgr_pgw_schedule_all_pending_trans() sp=0xffffd4e8
    [051bceea/X] tlib_serv() sp=0xffffd528
    [051bcc0b/X] tlib_tmr_tick() sp=0xffffd558
    [0469e28f/X] snx_timer_service() sp=0xffffd578
    [0469cc2f/X] snx_fast_service() sp=0xffffd5a8
    [05c75884/X] sessmgr_snx_tick_callback() sp=0xffffd5d8
    [0aa843f6/X] sn_loop_run() sp=0xffffdb68
    [0a86e084/X] main() sp=0xffffdba8
-----------------------------------------

Conditions:
This issue is seen in case of temp cause failure handling of delete bearere request.
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