linux-kernel - Re: [PATCH rdma-next] RDMA/mlx5: print wc status on CQE error and dump needed

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YdLdqgBs+KkUtCVT@unreal>
Date:   Mon, 3 Jan 2022 13:27:38 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Dust Li <dust.li@...ux.alibaba.com>
Cc:     linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jason Gunthorpe <jgg@...pe.ca>
Subject: Re: [PATCH rdma-next] RDMA/mlx5: print wc status on CQE error and
 dump needed

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@...ux.alibaba.com>
> ---
>  drivers/infiniband/hw/mlx5/cq.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 

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