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From: Zoltan Kiss <zoltan.kiss@citrix.com>
To: Steven Haigh <netwiz@crc.id.au>,
	Sander Eikelenboom <linux@eikelenboom.it>
Cc: <netdev@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>,
	Ian Campbell <Ian.Campbell@citrix.com>,
	Eric Dumazet <eric.dumazet@gmail.com>, <xen-devel@lists.xen.org>
Subject: Re: [3.15-rc3] Bisected: xen-netback mangles packets between two guests on a bridge since merge of "TX grant mapping with SKBTX_DEV_ZEROCOPY instead of copy" series.
Date: Tue, 6 May 2014 18:13:44 +0100	[thread overview]
Message-ID: <53691848.5010809@citrix.com> (raw)
In-Reply-To: <536916E9.7010509@crc.id.au>

On 06/05/14 18:07, Steven Haigh wrote:
> On a related note, I'm seeing this on an Arch Linux DomU and kernel
> 3.14.2. Its running aria2c bit torrent client.
>
> The Dom0 is EL6 with Xen 4.2.4 / 3.14.2 kernel.
>
> I also lodged this on the Arch bug tracker:
> 	https://bugs.archlinux.org/task/40244
>
> In a nutshell, I see:
> [ 7432.398096] xen_netfront: xennet: skb rides the rocket: 19 slots
> [ 7434.270870] xen_netfront: xennet: skb rides the rocket: 19 slots
> [ 7434.782199] xen_netfront: xennet: skb rides the rocket: 19 slots
> [ 7435.184794] xen_netfront: xennet: skb rides the rocket: 19 slots
> [ 7437.530677] xen_netfront: xennet: skb rides the rocket: 19 slots
> [ 7437.973905] xen_netfront: xennet: skb rides the rocket: 19 slots
> [ 7438.383947] xen_netfront: xennet: skb rides the rocket: 19 slots

Can you also see packet corruption? You can find a testfile generator in 
Sander's mail, downloading from an Apache server with wget seems to be OK.

Zoli

  reply	other threads:[~2014-05-06 17:13 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-30 10:45 [3.15-rc3] Bisected: xen-netback mangles packets between two guests on a bridge since merge of "TX grant mapping with SKBTX_DEV_ZEROCOPY instead of copy" series Sander Eikelenboom
2014-04-30 15:24 ` Eric Dumazet
2014-04-30 15:24 ` Eric Dumazet
2014-04-30 20:40   ` Zoltan Kiss
2014-04-30 20:40   ` Zoltan Kiss
2014-04-30 20:53 ` Zoltan Kiss
2014-04-30 20:53 ` Zoltan Kiss
2014-04-30 22:25   ` Sander Eikelenboom
2014-04-30 22:25   ` Sander Eikelenboom
2014-05-01 13:37     ` Zoltan Kiss
2014-05-01 13:59       ` Sander Eikelenboom
2014-05-01 13:59       ` Sander Eikelenboom
2014-05-01 15:46         ` Zoltan Kiss
2014-05-01 17:39           ` Sander Eikelenboom
2014-05-01 17:46             ` Eric Dumazet
2014-05-01 17:46             ` Eric Dumazet
2014-05-01 19:39             ` Sander Eikelenboom
2014-05-01 19:39             ` [Xen-devel] " Sander Eikelenboom
2014-05-02 14:00               ` Zoltan Kiss
2014-05-02 14:06                 ` Sander Eikelenboom
2014-05-02 14:47                   ` Zoltan Kiss
2014-05-02 14:47                   ` [Xen-devel] " Zoltan Kiss
2014-05-02 15:21                     ` Eric Dumazet
2014-05-02 15:26                       ` Zoltan Kiss
2014-05-02 16:28                         ` Sander Eikelenboom
2014-05-02 16:28                         ` [Xen-devel] " Sander Eikelenboom
2014-05-02 16:45                           ` Zoltan Kiss
2014-05-02 16:45                           ` [Xen-devel] " Zoltan Kiss
2014-05-05 10:19                             ` Sander Eikelenboom
2014-05-05 10:19                             ` [Xen-devel] " Sander Eikelenboom
2014-05-06 17:07                               ` Steven Haigh
2014-05-06 17:13                                 ` Zoltan Kiss [this message]
2014-05-06 17:37                                   ` Sander Eikelenboom
2014-05-06 18:07                                     ` Steven Haigh
2014-05-07  8:16                                       ` David Vrabel
2014-05-07  8:16                                       ` [Xen-devel] " David Vrabel
2014-05-16  2:13                                         ` Steven Haigh
2014-05-16  2:13                                         ` Steven Haigh
2014-05-06 18:07                                     ` Steven Haigh
2014-05-06 17:13                                 ` Zoltan Kiss
2014-05-06 17:07                               ` Steven Haigh
2014-05-06 17:08                               ` Zoltan Kiss
2014-05-06 17:08                               ` [Xen-devel] " Zoltan Kiss
2014-05-06 17:10                               ` Zoltan Kiss
2014-05-06 17:10                               ` [Xen-devel] " Zoltan Kiss
2014-05-06 17:33                                 ` Sander Eikelenboom
2014-05-02 15:26                       ` Zoltan Kiss
2014-05-02 15:21                     ` Eric Dumazet
2014-05-02 14:06                 ` Sander Eikelenboom
2014-05-02 14:00               ` Zoltan Kiss
2014-05-01 17:39           ` Sander Eikelenboom
2014-05-01 15:46         ` Zoltan Kiss
2014-05-01 13:37     ` Zoltan Kiss
2014-05-01 13:49 ` Zoltan Kiss
2014-05-01 13:49 ` Zoltan Kiss
2014-05-01 14:05   ` Sander Eikelenboom
2014-05-01 15:16     ` Zoltan Kiss
2014-05-01 15:16     ` Zoltan Kiss
2014-05-01 15:40       ` Sander Eikelenboom
2014-05-01 15:40       ` Sander Eikelenboom
2014-05-02 15:35         ` Eric Dumazet
2014-05-02 22:18           ` Sander Eikelenboom
2014-05-02 22:18           ` Sander Eikelenboom
2014-05-09 22:19           ` Neal Cardwell
2014-05-09 22:19           ` Neal Cardwell
2014-05-02 15:35         ` Eric Dumazet
2014-05-01 14:05   ` Sander Eikelenboom
2014-05-09 21:02 ` Zoltan Kiss
2014-05-13 13:40   ` Zoltan Kiss
2014-05-13 13:40   ` Zoltan Kiss
2014-05-09 21:02 ` Zoltan Kiss
  -- strict thread matches above, loose matches on Subject: below --
2014-04-30 10:45 Sander Eikelenboom

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