From mboxrd@z Thu Jan 1 00:00:00 1970 From: "=?ISO-8859-1?Q?Ilpo_J=E4rvinen?=" Subject: Re: Fw: [Bug 12327] New: Intermittent TCP issues with => 2.6.27 Date: Fri, 2 Jan 2009 10:02:47 +0200 (EET) Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: Stephen Hemminger , David Miller , Netdev To: Herbert Xu Return-path: Received: from courier.cs.helsinki.fi ([128.214.9.1]:45632 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756077AbZABICu (ORCPT ); Fri, 2 Jan 2009 03:02:50 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2 Jan 2009, Herbert Xu wrote: > Stephen Hemminger wrote: > > > > A number of websites, ping, traceroute work correctly but I simply can't > > connect to several including: > > > > - store.apple.com > > - youtube.com > > - ANZ internet banking (anz.com.au) > > - MSN messenger > > I failed to reproduce this on 2.6.28-rc9. I even used the same > IP address as shown in your pcap file, 17.149.156.10. Same for me, though I don't have ppp in the setup like he does (see the mail in the other thread). > In fact, your pcap file shows that the two kernels produce almost > exactly the same content in the TCP headers. The only material > difference was the window size, which differed by 32 bytes. Yeah, nothing wrong with tcp/ip side. > So I'd suggest you take a look at other nodes on the path between > you and those websites, or try turning things such as window > scaling off. He did already turn things off without any success, the original report for ubuntu is at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/296767 I doubt that the original reporter received this mail anyway... There's another thread (fwd by Andrew) which has more content already. -- i.