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Cisco Bug: CSCvt98176 - Assertion failure at sess/sx/sxc/sx_evt_handler_comm.c

Last Modified

Jul 18, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.18.2 21.18.2.75332 21.19.1 21.19.n1 21.20.0

Description (partial)

Symptom:
Sessmgr restart with following stack:
<div style="font-family:monospace;border-radius: 4px;padding: 6px;">Assertion failure at sess/sx/sxc/sx_evt_handler_comm.c:609
  Function: sx_send_cfm_evt()
  Expression: sn_status == SN_STATUS_SUCCESS
  Proclet: sessmgr (f=87000,i=40)
  Process: card=1 cpu=0 arch=X pid=19698 cpu=~1% argv0=sessmgr
  Cr@sh time: 2020-Apr-22+16:12:49 UTC
  Recent errno: 115 Operation now in progress
  Build_number: 75332
  Stack (131071@0x0xff9d1000, probably truncated):
    [ffffe430/X] __kernel_vsyscall() sp=0xff9d1718
    [0cceb637/X] sn_assert() sp=0xff9d1778
    [093b1577/X] sx_send_cfm_evt() sp=0xff9d1ca8
    [093b3cfe/X] sx_tun_fsm_handle_sess_mod_rsp_msg() sp=0xff9d2148
  Last Bounce:
</div>

Conditions:
Sessmr restart is seen on Sx transaction during GNGP HO.
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