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Cisco Bug: CSCup83097 - Fatal Signal 6 Crash Process BGP at PC:[0aff60b6/X] bgp_vrf_import_route

Last Modified

Jul 23, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(19)

Description (partial)

Symptom:
Fatal Signal 6 Crash has the following stack trace:

Fatal Signal 6: Aborted
  PC: [0aff60b6/X] bgp_vrf_import_route()
  Signal from: sitmain pid=3762 uid=0
  Process: card=1 cpu=0 arch=X pid=18339 cpu=~100% argv0=bgp
  Crash time: 2014-Jun-19+04:59:54 UTC
  Recent errno: 115 Operation now in progress
  Stack (15272@0xffffa000):
    [0aff60b6/X] bgp_vrf_import_route() sp=0xffffade8
    [0b00f682/X] bgp_vrf_add_rt() sp=0xffffae08
    [0b020477/X] bgp_vrf_rt_modify() sp=0xffffae38
    [0ae5a1c8/X] zebos_bgp_api_set_vrf_rt() sp=0xffffae58
    [03020a0b/X] bgp_vrf_route_target() sp=0xffffaed8
    [030125ed/X] bgp_msg_route_target() sp=0xffffaf18
    [0ab383ab/X] sn_msg_arriving_handle() sp=0xffffd5c8
    [0ab15db5/X] sn_loop_run() sp=0xffffdb58
    [0a9000d4/X] main() sp=0xffffdb98

Conditions:
Image Version:                  15.0 (54515)
  Image Branch Version:           015.000(019)
  Image Description:              Production_Build
  Image Date:                     Wed Apr  9 12:17:57 EDT 2014
  Boot Image:                     /flash/production.54515.asr5000.bin


The trigger for the crash was a result of CLI commands sequence i.e. delete followed by add of vrf in a very short span.
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