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Date:   Mon, 3 Jan 2022 13:27:38 +0200
From:   Leon Romanovsky <leon@kernel.org>
To:     Dust Li <dust.li@linux.alibaba.com>
Cc:     linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
        Jason Gunthorpe <jgg@ziepe.ca>
Subject: Re: [PATCH rdma-next] RDMA/mlx5: print wc status on CQE error and
 dump needed
Message-ID: <YdLdqgBs+KkUtCVT@unreal>
References: <20211227123806.47530-1-dust.li@linux.alibaba.com>
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On Mon, Dec 27, 2021 at 08:38:06PM +0800, Dust Li wrote:
> mlx5_handle_error_cqe() only dump the content of the CQE
> which is raw hex data, and not straighforward for debug.
> Print WC status message when we got CQE error and dump is
> need.
> 
> Here is an example of how the dmesg log looks like with this:
> [166755.330649] infiniband mlx5_0: mlx5_handle_error_cqe:333:(pid 0): WC error: 10, message: remote access error
> [166755.332323] infiniband mlx5_0: dump_cqe:272:(pid 0): dump error cqe
> [166755.332944] 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [166755.333574] 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [166755.334202] 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [166755.334837] 00000030: 00 00 00 00 00 00 88 13 08 03 61 b3 1e a1 42 d3
> 
> Signed-off-by: Dust Li <dust.li@linux.alibaba.com>
> ---
>  drivers/infiniband/hw/mlx5/cq.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 

Thanks,
Acked-by: Leon Romanovsky <leonro@nvidia.com>