netdev - Re: [ISSUE][4.20.6] mlx5 and checksum failures

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: <CAA85sZsbmJ=c69h6yzd0LAzd198=mppjqjPZu_EXhQP+soe4Yw@mail.gmail.com>
Date:   Wed, 6 Feb 2019 23:41:28 +0100
From:   Ian Kumlien <ian.kumlien@...il.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [ISSUE][4.20.6] mlx5 and checksum failures

On Wed, Feb 6, 2019 at 11:38 PM Cong Wang <xiyou.wangcong@...il.com> wrote:
> On Wed, Feb 6, 2019 at 2:15 PM Ian Kumlien <ian.kumlien@...il.com> wrote:
> > Could we please schedule this for 4.19 and 4.20 - it's kinda breaking things
>
> It doesn't break anything, packets are _not_ dropped, only that the
> warning itself is noisy.

Not my experience, to me it slows the machine down and looses packets,
I don't however know
if this is the only culprit

You can actually see it on ping where it start out with 0.0xyx and
ends up at ~10ms

But as I said, I assume this is the culprit - further investigation
will be done =)