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Cisco Bug: CSCus22431 - Websocket flows causing sessmgr crash

Last Modified

Jan 31, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.0(1)

Description (partial)

Symptom:
SW Version          : 16.3(57726)
Similar Crash Count : 1
Time of First Crash : 2014-Dec-15+10:11:45
 
Fatal Signal 11: Segmentation fault
  PC: [082f9252/X] acs_ap_accel_eligible()
  Faulty address: 0x8
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=7 cpu=1 arch=X pid=5984 cpu=~1% argv0=sessmgr
  Crash time: 2014-Dec-15+18:11:45 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (11032@0xffffb000):
    [082f9252/X] acs_ap_accel_eligible() sp=0xffffb6b8
    [0856303b/X] acsmgr_trm_match_rule() sp=0xffffb778
    [08566c83/X] acs_fp_processing() sp=0xffffb8a8
    [0856761b/X] acs_fp_accel_entry() sp=0xffffb958
    [08568730/X] acsmgr_data_receive_merge_mode() sp=0xffffbc68
    [08569153/X] acs_handle_datapath_events_from_sm_interface() sp=0xffffbc98
    [03620aaf/X] sessmgr_sef_initiate_data_packet_ind() sp=0xffffbce8
    [03620b40/X] sessmgr_pcc_intf_send_data_packet_ind() sp=0xffffbd58
    [05ef2daa/X] sessmgr_pcc_fwd_packet() sp=0xffffbdb8
    [0601a9f1/X] sessmgr_ipv4_process_user_pkt_pgw_ggsn.isra.282() sp=0xffffc208
    [03e1f9ba/X] sessmgr_pgw_handle_inbound_data_packet() sp=0xffffc2a8
    [05eb76d3/X] sessmgr_egtpu_collapsed_receive_gtpu_packet() sp=0xffffc6f8
    [03ce5e38/X] sessmgr_egtpu_collapsed_dispatch_routine() sp=0xffffcae8
    [078c29e3/X] egtpu_handle_user_data_packet() sp=0xffffcc08
    [0534f266/X] snx_saegwdrv_request_data_dispatch() sp=0xffffcde8
    [03c378ba/X] sessmgr_saegw_egtpu_dispatch() sp=0xffffcf98
    [05eb49d2/X] sessmgr_egtpu_receive_gtpu_packet() sp=0xffffd3f8
    [0604d057/X] sessmgr_med_data_receive() sp=0xffffd598
    [0acdc90c/X] sn_epoll_run_events() sp=0xffffd5e8
    [0ace1008/X] sn_loop_run() sp=0xffffda98
    [0aa8347d/X] main() sp=0xffffdb08
  Registers:

Conditions:
with CLI "websocket flow-detection http"  is enabled
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