From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anders =?iso-8859-1?Q?Bostr=F6m?= Subject: Re: Bug#565404: linux-image-2.6.26-2-amd64: atl1e: TSO is broken Date: Tue, 26 Jan 2010 09:34:39 +0100 (CET) Message-ID: <20100126.093439.651115405791675606.anders@netinsight.net> References: <20100125.163612.582489483209420341.anders@netinsight.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: ben@decadent.org.uk, netdev@vger.kernel.org, 565404@bugs.debian.org, Xiong.Huang@Atheros.com To: Jie.Yang@Atheros.com Return-path: Received: from ernst.netinsight.se ([194.16.221.21]:8452 "HELO ernst.netinsight.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751864Ab0AZIet convert rfc822-to-8bit (ORCPT ); Tue, 26 Jan 2010 03:34:49 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: >>>>> "JY" =3D=3D Jie Yang writes: JY> Anders Bostr=F6m wrote: JY> following is my test cese, >>=20 JY> a nfs server server with ar8131chip, device id 1063. >> export /tmp/ dir as the nfs share directory, JY> the client, >> mount the server_ip:/tmp to local dir /mnt/nfs, ust a python >> script to write and read data on the JY> >> /mnt/nfs/testnfs.log. it works fine. >>=20 >> OK, the device-ID in our NFS-server is 1026, rev. b0. So it >> is possible that the problem is specific to that chip/version. JY> oops, its my mistake in writing, my case is 1026 device ID >>=20 JY> Can you give me some advice on how to reproduce this bug?? >>=20 >> The only suggestion I have is to try to find a board with a >> 1026-chip on it. >>=20 >> My test-case is just copy of a 1 Gbyte file from the >> NFS-server to /dev/null , after making sure that the file >> isn't cached on the client by reading huge amounts of other data. >>=20 JY> just to check, if the kernel version is 2.6.26-2 ?? I've tested with Debian linux-image-2.6.26-2-amd64 version 2.6.26-19lenny2, Debian linux-image-2.6.30-bpo.2-amd64 version 2.6.30-8~bpo50+2 and kernel.org 2.6.30.10 amd64 with ethtool patch for setting of tso. Same result. / Anders