From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: [bug] stuck localhost TCP connections, v2.6.26-rc3+ Date: Mon, 26 May 2008 09:24:07 -0700 Message-ID: <20080526092407.76df09d7@infradead.org> References: <20080526115628.GA31316@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, "David S. Miller" , "Rafael J. Wysocki" , Andrew Morton To: Ingo Molnar Return-path: 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 In-Reply-To: <20080526115628.GA31316@elte.hu> Sender: netdev-owner@vger.kernel.org List-ID: 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.