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Cisco Bug: CSCvs56890 - Sessmgr restart with Assertion failure at sess/snx/drivers/pgw/pgw_drv

Last Modified

Jun 03, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.12.9

Description (partial)

Symptom:
Unexpected sessmgr restart observed with following decode:

Assertion failure at sess/snx/drivers/pgw/pgw_drv
  Function: snx_pgw_driver_request_data_dispatch()
  Expression: (((bearer_clp) != ((void *)0)) && ((bearer_clp)->active == (!(0))) && ((bearer_clp)->magic == 0x22))
  Proclet: sessmgr (f=87000,i=299)
  Process: card=4 cpu=1 arch=X pid=9283 cpu=~21% argv0=sessmgr
  Time: 2019-Dec-24+14:30:33 UTC
  Recent errno: 11 Resource temporarily unavailable
  Build_number: 72306
  Stack (10728@0x0xffcd8000):
    [ffffe430/X] __kernel_vsyscall() sp=0xffcd83b8
    [0cae757b/X] sn_assert() sp=0xffcd83f8
    [0521354d/X] snx_pgw_driver_request_data_dispatch() sp=0xffcd8438
    [065849ab/X] sessmgr_ipv6_tunnel_mtu_cmp() sp=0xffcd8828
    [06589858/X] sessmgr_ipv6_process_inet_pkt_part3_pgw_ggsn.isra.234() sp=0xffcd8e18
    [06669dab/X] sessmgr_ipv6_process_inet_pkt_part2.isra.285.constprop.373() sp=0xffcd9398
    [0667f50e/X] sessmgr_ipv6_process_inet_pkt_pgw_ggsn() sp=0xffcd9ae8
    [0671eb7a/X] sessmgr_receive_ipv6_packets() sp=0xffcd9ef8
    [0671666a/X] sessmgr_med_proto_processing() sp=0xffcda3e8
    [0671d683/X] sessmgr_med_data_receive() sp=0xffcda468
    [0cb6efb4/X] sn_epoll_run_events() sp=0xffcda4b8
    [0cb7baaa/X] sn_loop_run() sp=0xffcda968
    [0c86eef5/X] main() sp=0xffcda9d8
  Last Bounce:

Conditions:
N/a
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