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Cisco Bug: CSCus50840 - Crash at acsmgr_release_buffer after upgrading to 17.1.0.58241 build.

Last Modified

Dec 26, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.1.0

Description (partial)

Symptom:
1   2015-Jan-15+13:32:28 sessmgr  12/0/08917 17.1.0          SAD153102AN/SAD163201M5
2   2015-Jan-15+13:32:40 sessmgr  12/0/32228 17.1.0          SAD153102AN/SAD163201M5
3   2015-Jan-15+15:46:22 sessmgr  15/0/10725 17.1.0          SAD153102AN/SAD16270013

Total Crashes : 19

[local]# show crash all
Thursday January 15 19:31:35 UTC 2015
********************* CRASH #01 ***********************
SW Version          : 17.1.0
Similar Crash Count : 16
Time of First Crash : 2015-Jan-14+15:23:36

Assertion failure at acs/acsmgr/acsmgr_buffer.c:145
  Function: acsmgr_release_buffer()
  Expression: cache_info->mem_block_preamble.signature == mem_block->signature
  Proclet: sessmgr (f=87000,i=59)
  Process: card=12 cpu=0 arch=X pid=8917 cpu=~36% argv0=sessmgr
  Crash time: 2015-Jan-15+13:32:28 UTC
  Recent errno: 115 Operation now in progress
  Stack (10168@0xffffb000):
    [ffffe430/X] __kernel_vsyscall() sp=0xffffb908
    [0aeedecf/X] sn_assert() sp=0xffffb948
    [085b980b/X] acsmgr_release_buffer() sp=0xffffb9b8
    [089b4c71/X] acsmgr_process_tcp_packet() sp=0xffffc038
    [089b6930/X] acs_process_tcp_packet_normal_path() sp=0xffffc088
    [089b6abd/X] acs_tcp_analyzer() sp=0xffffc108
    [0890d0c9/X] do_acsmgr_process_packet() sp=0xffffc138
    [0891d5d5/X] acs_ip_lean_path() sp=0xffffc188
    [0885c1e9/X] acsmgr_data_receive_merge_mode() sp=0xffffc4a8
    [0885d203/X] acs_handle_datapath_events_from_sm_interface() sp=0xffffc4d8
    [037b698b/X] sessmgr_sef_initiate_data_packet_ind() sp=0xffffc558
    [037b6ac0/X] sessmgr_pcc_intf_send_data_packet_ind() sp=0xffffc5c8
    [061cd12a/X] sessmgr_pcc_fwd_packet() sp=0xffffc628
    [062f9871/X] sessmgr_ipv4_process_user_pkt_pgw_ggsn.isra.282() sp=0xffffca78
    [04361b6b/X] sessmgr_ggsndrv_handle_inbound_data_packet() sp=0xffffcc58
    [0618dfba/X] sessmgr_egtpu_receive_gtpu_packet() sp=0xffffd0b8
    [0632c232/X] sessmgr_med_data_receive() sp=0xffffd238
    [0af88fbc/X] sn_epoll_run_events() sp=0xffffd288
    [0af8d4a1/X] sn_loop_run() sp=0xffffd738
    [0acfe84d/X] main() sp=0xffffd7a8

Conditions:
Normal operation
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