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Cisco Bug: CSCut62119 - VzW Westlake Lab: 18.0 EFT5 MIO switch failure due to afctrl crash

Last Modified

Dec 24, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

18.0.0.59465

Description (partial)

afctrl crash observed during MIO switchover

Assertion failure at xfab/afctrl/afctrl_msg_handler.c:2526
  Note: ASSERTION FAILURE: sn_afctrl_srp_context_cb:2526, "rsp"
  Function: sn_afctrl_srp_context_cb()
  Expression: 0
  Code: CRASH
  Proclet: afctrl (f=30000,i=0)
  Process: card=6 cpu=0 arch=X pid=24828 argv0=afctrl
  Crash time: 2015-Mar-30+00:36:36 UTC
  Recent errno: 115 Operation now in progress
  Stack (15144@0xffffa000):
    [ffffe430/X] __kernel_vsyscall() sp=0xffffaf68
    [0b0e7b9f/X] sn_assert() sp=0xffffafa8
    [08fbbce0/X] sn_afctrl_srp_context_cb() sp=0xffffb4d8
    [0b1b15a5/X] sn_msg_arriving_handle() sp=0xffffd5e8
    [0b193756/X] sn_loop_run() sp=0xffffdaa8
    [0ae8da0d/X] main() sp=0xffffdb18
  Last Bounce:
    Src: afctrl (f=30000,i=0)
    Dst:  (f=20000,i=0,m=12)
    ID:  0x60fc060055189a8d
    Input:  SN_MSG_TYPE_NONE
    Output: vc_rsp_vpnmgr_get_srp_context_id
    Callback: [08fbb980/X] sn_afctrl_srp_context_cb()
    Class: MEDIUM
    Flavour: NONBLOCKING REMOTE UNICAST 
    TCP: connct=-1 elapsed=6012ms code=NS_VANISHED (Peer was present but vanished)

Symptom:afctrl crash observed during MIO switchover

Assertion failure at xfab/afctrl/afctrl_msg_handler.c:2526
  Note: ASSERTION FAILURE: sn_afctrl_srp_context_cb:2526, "rsp"
  Function: sn_afctrl_srp_context_cb()
  Expression: 0
  Code: CRASH
  Proclet: afctrl (f=30000,i=0)
  Process: card=6 cpu=0 arch=X pid=24828 argv0=afctrl
  Crash time: 2015-Mar-30+00:36:36 UTC
  Recent errno: 115 Operation now in progress
  Stack (15144@0xffffa000):
    [ffffe430/X] __kernel_vsyscall() sp=0xffffaf68
    [0b0e7b9f/X] sn_assert() sp=0xffffafa8
    [08fbbce0/X] sn_afctrl_srp_context_cb() sp=0xffffb4d8
    [0b1b15a5/X] sn_msg_arriving_handle() sp=0xffffd5e8
    [0b193756/X] sn_loop_run() sp=0xffffdaa8
    [0ae8da0d/X] main() sp=0xffffdb18
  Last Bounce:
    Src: afctrl (f=30000,i=0)
    Dst:  (f=20000,i=0,m=12)
    ID:  0x60fc060055189a8d
    Input:  SN_MSG_TYPE_NONE
    Output: vc_rsp_vpnmgr_get_srp_context_id
    Callback: [08fbb980/X] sn_afctrl_srp_context_cb()
    Class: MEDIUM
    Flavour: NONBLOCKING REMOTE UNICAST 
    TCP: connct=-1 elapsed=6012ms code=NS_VANISHED (Peer was present but vanished)

Conditions:MIO switchover with EGQDiscardThreshol SRP monitor enabled and DPC2 cards in setup
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