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Cisco Bug: CSCvv17407 - vpnmgr restart sn_msg_call_internal_vector

Last Modified

Sep 17, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.4.15

Description (partial)

Symptom:
Unexpected vpnmgr restart observed with following stack trace

Fatal Signal 6: Aborted
  PC: [0c21edf9/X] sn_msg_call_internal_vector()
  Signal from: sitmain pid=9688 uid=0
  Process: card=6 cpu=0 arch=X pid=23860 cpu=~100% argv0=vpnmgr
  time: 2020-Jul-07+23:11:40 UTC
  Recent errno: 11 Resource temporarily unavailable
  Build_number: 71319
  Stack (85416@0x0xfffda000):
    [0c21edf9/X] sn_msg_call_internal_vector() sp=0xfffdace8
    [0c21f63e/X] sn_msg_call_nonblocking_vector_internal() sp=0xfffdad28
    [0c224641/X] sn_msg_call_vector_internal() sp=0xfffed408
    [0a2d59c7/X] sn_npumgr_forwarding_add_del_mod_op() sp=0xfffed4a8
    [0344044a/X] vpnmgr_npu_forwarding_list_send() sp=0xfffed5e8
    [03445fc1/X] vpnmgr_npu_forwarding_del() sp=0xfffee6c8
    [0344ca8a/X] vpnmgr_kernel_routes_list_if_change() sp=0xfffee7c8
    [034739ac/X] sf_vpnmgr_k_if_op_tmr_func() sp=0xfffee878
    [0c2716c2/X] sn_loop_run() sp=0xfffeed28
    [0bf57f55/X] main() sp=0xfffeed98
  Last Bounce:

Conditions:
Was observed when one adjacent PE router was upgraded and was isolated.
Traffic was supposed to move to the secondary PE
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