netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Lluís Batlle i Rossell" <viric@viric.name>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "Ezequiel Garcia" <ezequiel.garcia@free-electrons.com>,
	"Andrew Lunn" <andrew@lunn.ch>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	"Carles Pagès" <page@cubata.homelinux.net>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: Regarding tx-nocache-copy in the Sheevaplug
Date: Mon, 13 Oct 2014 17:48:07 +0200	[thread overview]
Message-ID: <20141013154807.GN1972@vicerveza.homeunix.net> (raw)
In-Reply-To: <1413211759.9362.103.camel@edumazet-glaptop2.roam.corp.google.com>

On Mon, Oct 13, 2014 at 07:49:19AM -0700, Eric Dumazet wrote:
> On Mon, 2014-10-13 at 16:31 +0200, Lluís Batlle i Rossell wrote:
> > Enabling tx offload and disabling tx-nocache-copy, making the machine *send* a
> > lot of ssh traffic (sftp for example) makes ssh fail HMAC. It's quite easy to
> > reproduce here.
> > 
> > As for the hardware, it's an old sheevaplug board.
> 
> 
> Have you tried disabling TSO only, and are you using the latest kernel ?
> 
> Ezequiel Garcia added lot of changes recently.
> 
> 

Is TSO TCP segmentation offload? It's disabled. The kernel is 3.16.3 (debian).
https://packages.debian.org/testing/kernel/linux-image-3.16-2-kirkwood

  reply	other threads:[~2014-10-13 15:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-13 10:52 Regarding tx-nocache-copy in the Sheevaplug Lluís Batlle i Rossell
2014-10-13 12:26 ` Eric Dumazet
2014-10-13 12:32   ` Lluís Batlle i Rossell
2014-10-13 14:21 ` Andrew Lunn
2014-10-13 14:31   ` Lluís Batlle i Rossell
2014-10-13 14:49     ` Eric Dumazet
2014-10-13 15:48       ` Lluís Batlle i Rossell [this message]
2014-10-15 21:57 ` Benjamin Poirier
2014-10-15 22:45   ` Eric Dumazet
2014-10-16 17:34     ` Benjamin Poirier
2014-10-16 17:46       ` Lluís Batlle i Rossell
2014-10-17 20:55         ` Benjamin Poirier
2014-10-16 17:48       ` Eric Dumazet

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20141013154807.GN1972@vicerveza.homeunix.net \
    --to=viric@viric.name \
    --cc=andrew@lunn.ch \
    --cc=eric.dumazet@gmail.com \
    --cc=ezequiel.garcia@free-electrons.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=page@cubata.homelinux.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).