public inbox for netdev@vger.kernel.org
 help / color / mirror / Atom feed
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Or Gerlitz <ogerlitz@mellanox.com>
Cc: David Miller <davem@davemloft.net>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Shlomo Pongratz <shlomop@mellanox.com>,
	Erez Shitrit <erezsh@mellanox.com>
Subject: Re: getting warn once around skb_try_coalesce
Date: Tue, 10 Jul 2012 12:18:30 +0200	[thread overview]
Message-ID: <1341915510.3265.4734.camel@edumazet-glaptop> (raw)
In-Reply-To: <4FFBFBD2.6030004@mellanox.com>

On Tue, 2012-07-10 at 12:54 +0300, Or Gerlitz wrote:
> Hi Dave, Eric,
> 
> Another trace that I see here with net-next is this one-time warning. I 
> get it always
> on the passive side of TCP, something that seems related to GRO, it 
> happens only with
> IPoIB, not with mlx4_en and igb (when igb get to work on net-next...)
> 
> The latest commit in this area is bad43ca8325f493dcaa0896c2f036276af059c7e
> "net: introduce skb_try_coalesce()" from Eric.
> 
> Or.
> 
> -----------[ cut here ]------------
> WARNING: at net/core/skbuff.c:3413 skb_try_coalesce+0x1f8/0x31d()

This warning catch skb truesize offenders, most probably its a driver
issue.

  reply	other threads:[~2012-07-10 10:18 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-10  9:54 getting warn once around skb_try_coalesce Or Gerlitz
2012-07-10 10:18 ` Eric Dumazet [this message]
2012-07-10 11:14   ` Eric Dumazet
2012-07-10 11:22     ` Eric Dumazet
2012-07-10 12:19       ` Or Gerlitz
2012-07-10 12:35       ` Shlomo Pongartz
2012-07-10 13:01         ` 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=1341915510.3265.4734.camel@edumazet-glaptop \
    --to=eric.dumazet@gmail.com \
    --cc=davem@davemloft.net \
    --cc=erezsh@mellanox.com \
    --cc=netdev@vger.kernel.org \
    --cc=ogerlitz@mellanox.com \
    --cc=shlomop@mellanox.com \
    /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