From: Martin Tessun <martin.tessun@gmx.de>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: Packet Corruption with Atheros Communications Inc. AR8121/AR8113/AR8114 Gigabit or Fast Ethernet (rev b0) Interface
Date: Wed, 21 Nov 2012 20:34:24 +0100 [thread overview]
Message-ID: <50AD2CC0.5010806@gmx.de> (raw)
In-Reply-To: <1353518049.2590.41.camel@edumazet-glaptop>
Am 21.11.2012 18:14, schrieb Eric Dumazet:
> On Wed, 2012-11-21 at 15:54 +0100, Martin Tessun wrote:
[snip bug description]
>
> Is it only happening for IPv6 traffic, or is it also buggy for IPv4 ?
>
> If you disable tso , does the bug disappear ?
>
>
>
It also happens with IPv4 (usually not so fast as with IPv6):
SCP from client:
$ scp -4 server:/export/no_backup/burn/openSUSE-12.2-DVD-x86_64.iso .
openSUSE-12.2-DVD-x86_64.iso
4% 184MB 9.3MB/s 07:37 ETA
Corrupted MAC on input.
Disconnecting: Packet corrupt
openSUSE-12.2-DVD-x86_64.iso
4% 193MB 9.2MB/s 07:40 ETA
lost connection
SCP initiated from the server:
$ scp -4 openSUSE-12.2-DVD-x86_64.iso uhura:/tmp
openSUSE-12.2-DVD-x86_64.iso
3% 149MB 8.8MB/s 08:10 ETA
Received disconnect from 10.100.14.100: 2: Packet corrupt
lost connection
With TSO disabled:
$ sudo ethtool -K eth0 tso off
$ sudo ethtool -k eth0
Offload parameters for eth0:
rx-checksumming: off
tx-checksumming: on
scatter-gather: on
tcp-segmentation-offload: off
udp-fragmentation-offload: off
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off
rx-vlan-offload: on
tx-vlan-offload: on
ntuple-filters: off
receive-hashing: off
SCP (IPv4) initiated from client:
$ scp -4 server:/export/no_backup/burn/openSUSE-12.2-DVD-x86_64.iso .
openSUSE-12.2-DVD-x86_64.iso
2% 93MB 10.4MB/s 06:59 ETA
Corrupted MAC on input.
Disconnecting: Packet corrupt
lost connection
SCP (IPv4) initated from server:
$ scp -4 openSUSE-12.2-DVD-x86_64.iso uhura:/tmp
openSUSE-12.2-DVD-x86_64.iso
4% 179MB 9.2MB/s 07:46 ETA
Received disconnect from 10.100.14.100: 2: Packet corrupt
lost connection
Regards,
Martin
prev parent reply other threads:[~2012-11-21 19:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-21 14:54 Packet Corruption with Atheros Communications Inc. AR8121/AR8113/AR8114 Gigabit or Fast Ethernet (rev b0) Interface Martin Tessun
2012-11-21 17:14 ` Eric Dumazet
2012-11-21 19:34 ` Martin Tessun [this message]
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