From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756300AbYFXUDf (ORCPT ); Tue, 24 Jun 2008 16:03:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753205AbYFXUDY (ORCPT ); Tue, 24 Jun 2008 16:03:24 -0400 Received: from hs-out-0708.google.com ([64.233.178.250]:42653 "EHLO hs-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752857AbYFXUDX (ORCPT ); Tue, 24 Jun 2008 16:03:23 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=Ul0+6HxAO3zX3ozLULv7CRQEBvCXJf/eqj33MpL0okww/kOgGw7KHdvIVmageKfEmP 9GE0Ivec0IZzMd+ZrOC1wXcZTP4ShhiyY9KsF8oTdVsTi3cn40QZxWPLgU40ZFwksdRM RODXP7NmVTcSk+ARGegkosOoPP9C/WYaOyQcs= Message-ID: Date: Tue, 24 Jun 2008 20:03:22 +0000 From: "Justin Mattock" To: "Ray Lee" Subject: Re: stuck tcp connections 2.6.26-rc7 Cc: "Didier Raboud" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org In-Reply-To: <2c0942db0806241016o3be1dae8i433da13697c4531c@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080622205927.301501e7.akpm@linux-foundation.org> <2c0942db0806241016o3be1dae8i433da13697c4531c@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 24, 2008 at 5:16 PM, Ray Lee wrote: > 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? > I'll give that a try and see what happens. regards; -- Justin P. Mattock