Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755748AbYGXLNe (ORCPT ); Thu, 24 Jul 2008 07:13:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752135AbYGXLNX (ORCPT ); Thu, 24 Jul 2008 07:13:23 -0400 Received: from rhun.apana.org.au ([64.62.148.172]:52894 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752072AbYGXLNX (ORCPT ); Thu, 24 Jul 2008 07:13:23 -0400 Date: Thu, 24 Jul 2008 19:12:31 +0800 From: Herbert Xu To: Ingo Molnar Cc: w@1wt.eu, davem@davemloft.net, 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: <20080724111231.GA6485@gondor.apana.org.au> References: <20080724060448.GA10203@elte.hu> <20080724092517.GA31358@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080724092517.GA31358@elte.hu> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 955 Lines: 22 On Thu, Jul 24, 2008 at 11:25:18AM +0200, Ingo Molnar wrote: > > without rebooting the kernel, right? And then if the bug comes back > again we've nailed it down to the area you suspect, correct? Yes, except that you'll have to reestablish those connections to make the new setting take effect. In either case please verify with tcpdump to make sure that both sides are proposing sack at the start of the connection. Alternatively see whether sacks are generated in case of packet loss. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- 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/