https://bugs.dpdk.org/show_bug.cgi?id=1238

            Bug ID: 1238
           Summary: net/mlx5: RxQ failure with vectorized MPRQ
           Product: DPDK
           Version: 23.03
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: dmitry.kozliuk@gmail.com
  Target Milestone: ---

CPU: Intel(R) Xeon(R) Gold 6238R CPU @ 2.20GHz
NIC: Mellanox Technologies MT28800 Family [ConnectX-5 Ex]
OFED: MLNX_OFED_LINUX-23.04-0.5.3.3
FW: 16.35.2000
Kernel: 5.10.0-21-amd64

Commit 633684e0 "net/mlx5: fix error CQE dumping for vectorized Rx" presumably
introduced a regression: Rx queues eventually stop with "CQ error on CQN 0x57d,
syndrome 0x1" in dmesg. There is unfortunately no repro with testpmd yet. The
error happens under certain CPU load from an app and with a different delay for
each RxQ, which suggests that this may be a concurrency issue.

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