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Cisco Bug: CSCvs47774 - [BP-ICUPS]: VPP task reload and accel not happening after a limit

Last Modified

Jan 02, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.15.15 21.15.15.73902

Description (partial)

Symptom:
VPP task reload with similar stack trace : 
>[/usr/sbin64/vpp(sn_assert_signal_handler()+0x110e) [0x004c008e]]
      [(libvlib.so.19.04.3/unix_signal_handler()+0x154) [0x7fca9847b674]]
      [/lib64/libpthread.so.0(+0xfb50) [0x7fca97fc0b50]]
      [/usr/lib64/vpp_plugins/libopwv_tcpproxy_app.so(+0x1e2f6) [0x7fca54ff12f6]]
      [/usr/lib64/vpp_plugins/libopwv_tcpproxy_app.so(opwv_tp_delete_connection+0x78e) [0x7fca54fe692d]]
      [(libvnet.so.19.04.3/fp_agent_node_fn()+0x2e97) [0x7fca98d43897]]
      [(libvlib.so.19.04.3/dispatch_pending_node()+0x144) [0x7fca984340b4]]
      [(libvlib.so.19.04.3/vlib_worker_loop()+0xab7) [0x7fca98435c77]]
      [(libvppinfra.so.19.04.3/clib_calljmp()+0x18) [0x7fca97d503ec]]

Uneven distribution of sessions noted across vpp threads

Conditions:
This issue was observed under a callmodel run.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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