From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754596AbYFXRQk (ORCPT ); Tue, 24 Jun 2008 13:16:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756100AbYFXRQR (ORCPT ); Tue, 24 Jun 2008 13:16:17 -0400 Received: from rv-out-0506.google.com ([209.85.198.224]:11831 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755427AbYFXRQP (ORCPT ); Tue, 24 Jun 2008 13:16:15 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=lpUyYicb7fEcXJWOdbisTe9O/8jEHognhhaZyU2c+MZ5+51qe26HoG4388kwFaiPpV f2hTiZwXaljfK4UfHATHTV9Dn3sWZccKsqxeBfFqbCDhnDpOr8PW8oyBwMilx/NUgqPx CYZVF1dI0BtrnzucGxZVWnh2SbPrzswCwFkqc= Message-ID: <2c0942db0806241016o3be1dae8i433da13697c4531c@mail.gmail.com> Date: Tue, 24 Jun 2008 10:16:14 -0700 From: "Ray Lee" To: "Justin Mattock" Subject: Re: stuck tcp connections 2.6.26-rc7 Cc: "Didier Raboud" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080622205927.301501e7.akpm@linux-foundation.org> X-Google-Sender-Auth: cb463ff2df8f00a0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2008/6/23 Justin Mattock : > On Mon, Jun 23, 2008 at 5:04 PM, Didier Raboud wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Justin Mattock wrote: >> >>> On Mon, Jun 23, 2008 at 3:59 AM, Andrew Morton >>> wrote: >>>> On Sun, 22 Jun 2008 18:09:16 +0000 "Justin Mattock" >>>> wrote: >>>> >>>>> Hello; I too am experiencing internet connectivity problems, for a >>>>> while I thought >>>>> It was due to low bandwidth(or being ddos attacked) but yesterday I >>>>> noticed with watch netstat -ntu >>>>> send-Q was stuck on a number; the connection would not go to TIME_WAIT >>>>> resulting in music to pause, and t.v. to freeze. >>>>> In my experiences running xmms streaming music is fine, no problems, >>>>> but as soon as >>>>> you watch something with flash player the stream start's getting >>>>> really bad. In the past with older kernel's >>>>> I usually can watch t.v.(with flash) and stream music at the same time >>>>> without any trouble. >>>>> lately I've been Running the kernel in No forced Preemption with a >>>>> time frequency at 100. having the kernel set in this mode really shows >>>>> the connection problems, but if I change the preemption to another, >>>>> and bump up the timer frequency the poor internet connection is not as >>>>> bad(or stuck tcp) but still prevalent. more pops in the music, and >>>>> sudden internet loss for around five seconds, then goes back >>>>> So from over here streaming music has no problems from what I can see, >>>>> but as soon as I watch media, it becomes a mess. >>>> >>>> (cc netdev) >>>> >>> >>> >>> Cool, Thanks for sending the cc >>> regards; >> >> Hi, >> >> I get something like a similar bug: when pinging my local gateway, I loose >> packets (over wifi (iwl3945) ). Before the update to 2.6.26-rc7 (Debian), I >> had no such issues (which makes Internet browsing working but weirdly). >> >> I can't know for sure that my bug is related to the above, but suppose so. >> Please ask for details ! >> >> Regards, >> >> Didier Raboud >> - -- > > Cool;(cool as in I'm not the only one,not cool for sh*%y internet connections) > there is something definitely happening with the tcp connection., > After looking more at the situation > I get a good connection when just streaming music, but as soon as I > watch with flash or even search through firefox > I'm getting a dead period of no internet, and then a few seconds later > no problems.Almost as if some timer in the code is missing something > or not firing off at the right time. > At this point I'm still uncertain with what is happening. > regards; If you leave a ping running as root to your local gateway from a console ( nice -n -10 ping -i 0.5 192.168.1.1 or whichever ip ), does it show dropouts?