From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756120AbYEZRHy (ORCPT ); Mon, 26 May 2008 13:07:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751617AbYEZRHo (ORCPT ); Mon, 26 May 2008 13:07:44 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:40646 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751414AbYEZRHn (ORCPT ); Mon, 26 May 2008 13:07:43 -0400 Date: Mon, 26 May 2008 09:24:07 -0700 From: Arjan van de Ven To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, "David S. Miller" , "Rafael J. Wysocki" , Andrew Morton Subject: Re: [bug] stuck localhost TCP connections, v2.6.26-rc3+ Message-ID: <20080526092407.76df09d7@infradead.org> In-Reply-To: <20080526115628.GA31316@elte.hu> References: <20080526115628.GA31316@elte.hu> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 26 May 2008 13:56:28 +0200 Ingo Molnar wrote: > > in an overnight -tip testruns that is based on recent -git i got two > stuck TCP connections: > > Active Internet connections (w/o servers) > Proto Recv-Q Send-Q Local Address Foreign > Address State tcp 0 174592 > 10.0.1.14:58015 10.0.1.14:3632 ESTABLISHED > tcp 72134 0 10.0.1.14:3632 > 10.0.1.14:58015 ESTABLISHED > > on a previously reliable machine. That connection has been stuck for > 9 hours so it does not time out, etc. - and the distcc run that goes > over that connection is stuck as well. > interestingly enough, I think I'm seeing something very similar to this with the claws email client; as of 2.6.26-rc3 (sorry, didn't run earlier ones because they broke my wireless) claws gets "stuck" once in a while, really stuck, when talking to the imap server..... It seems to happen a little less frequently when running under strace, but it still happens, so that could just be a timing thing.