From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: stuck tcp connections 2.6.26-rc7 Date: Sun, 22 Jun 2008 20:59:27 -0700 Message-ID: <20080622205927.301501e7.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "Linux Kernel Mailing List" , netdev@vger.kernel.org To: "Justin Mattock" Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:49778 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752991AbYFWD73 (ORCPT ); Sun, 22 Jun 2008 23:59:29 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: 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)