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: [email protected]
Reporter: [email protected]
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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