VPP crash observed in DPDK for MLX5 driver

[Chinmaya Agarwal]

Hi,

We are using VPP with DPDK and MLX5 driver and we see random VPP crash when the traffic is flowing through the interface with below dump.

May 28 21:53:25 j3da1vmstm01 vnet[2280]: received signal SIGSEGV, PC 0x7f45eab17b5a, faulting address 0x0
May 28 21:53:25 j3da1vmstm01 vnet[2280]: #0  0x00007f4671de2f0b 0x7f4671de2f0b
May 28 21:53:25 j3da1vmstm01 vnet[2280]: #1  0x00007f467171cc20 0x7f467171cc20
May 28 21:53:25 j3da1vmstm01 vnet[2280]: #2  0x00007f45eab17b5a mlx5_rx_burst + 0xfa
May 28 21:53:25 j3da1vmstm01 vnet[2280]: #3  0x00007f45eae3e111 dpdk_input_node_fn_skx + 0x1d1
May 28 21:53:25 j3da1vmstm01 vnet[2280]: #4  0x00007f4671d9367a vlib_main + 0xb2a
May 28 21:53:25 j3da1vmstm01 vnet[2280]: #5  0x00007f4671de1f56 0x7f4671de1f56
May 28 21:53:25 j3da1vmstm01 vnet[2280]: #6  0x00007f46712f1358 0x7f46712f1358

Any suggestions as to what could be the reason for this issue?

Thanks and Regards,
Chinmaya Agarwal.
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