Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753955AbYGXNDg (ORCPT ); Thu, 24 Jul 2008 09:03:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751673AbYGXNDZ (ORCPT ); Thu, 24 Jul 2008 09:03:25 -0400 Received: from 1wt.eu ([62.212.114.60]:1967 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751479AbYGXNDZ (ORCPT ); Thu, 24 Jul 2008 09:03:25 -0400 Date: Thu, 24 Jul 2008 15:01:56 +0200 From: Willy Tarreau To: David Miller Cc: herbert@gondor.apana.org.au, mingo@elte.hu, davidn@davidnewall.com, torvalds@linux-foundation.org, akpm@linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stefanr@s5r6.in-berlin.de, rjw@sisk.pl, ilpo.jarvinen@helsinki.fi Subject: Re: [TCP bug, regression] stuck distcc connections in latest -git Message-ID: <20080724130156.GA21489@1wt.eu> References: <20080724060448.GA10203@elte.hu> <20080724.022259.113079007.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080724.022259.113079007.davem@davemloft.net> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 768 Lines: 18 On Thu, Jul 24, 2008 at 02:22:59AM -0700, David Miller wrote: > > BTW, if someone can contact the Fedora folks, specifically whoever > added that syncookies enable to /etc/sysctl.conf, and let them know > that they've set our TCP stack back by 10 years by disabling SACK > and timestamps, I'd really appreciate it. But syn cookies should not trigger unless the syn backlog is full, right ? Anyway, it would also explain why Ingo's running no default MSS (though it should be correctly negociated by syn cookies). willy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/