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Cisco Bug: CSCvr97250 - [CUPS] fatal crash seen @ snx_fast_buf_alloc

Last Modified

Oct 07, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.15.1 21.15.2 21.15.3 21.16.0 21.16.1 21.16.2 21.16.3 21.16.M0.73036 21.16.M0.73187 21.16.c1.73575 21.16.c3 21.16.d0 21.17.0

Description (partial)

Crash observed during longevity

 Stack (131071@0x0xff8b0000, probably truncated):
    [05eca0c6/X] snx_fast_buf_alloc() sp=0xff8b0438
    [05eca770/X] allocbuf() sp=0xff8b0468
    [05ecb77e/X] copybuf() sp=0xff8b0498
    [05ecb7fe/X] copymsgbuf() sp=0xff8b04c8
    [0926b1dc/X] sx_send_rsp_msg() sp=0xff8b05a8
    [0926c877/X] sx_tun_fsm_handle_sess_mod_rsp_evt() sp=0xff8b0a48
    [09261dd1/X] sx_handle_user_sap_event() sp=0xff8b0b78
    [0570afed/X] uplane_drv_send_sess_modify_rsp_to_sx() sp=0xff8b0c98
    [0570b434/X] uplane_drv_fsm_handle_modify_rsp() sp=0xff8b0d18
    [056fff12/X] uplane_drv_handle_events_from_smgr() sp=0xff8b0d68
    [057099c0/X] snx_uplane_driver_request_control_dispatch() sp=0xff8b0e48

crash observed @ snx_fast_buf_alloc  function
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