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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 21.15.1.72804 21.15.1.72889 21.15.2 21.15.2.72978 21.15.3 21.15.3.73059 21.16.0 21.16.1 21.16.1.73348 21.16.1.73374 21.16.1.73402 21.16.1.73418 21.16.1.73426 21.16.1.73450 21.16.1.73472 21.16.1.73488 21.16.1.73492 21.16.1.73543 21.16.2 21.16.2.73621 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)

Symptom:
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
  Registers:

Conditions:
crash observed @ snx_fast_buf_alloc  function
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