From owner-freebsd-current Sat May 13 13:43:21 2000 Delivered-To: freebsd-current@freebsd.org Received: from overcee.netplex.com.au (peter1.yahoo.com [208.48.107.4]) by hub.freebsd.org (Postfix) with ESMTP id 5A9A837B9CB; Sat, 13 May 2000 13:43:13 -0700 (PDT) (envelope-from peter@netplex.com.au) Received: from netplex.com.au (localhost [127.0.0.1]) by overcee.netplex.com.au (Postfix) with ESMTP id 0D7691CD7; Sat, 13 May 2000 13:43:13 -0700 (PDT) (envelope-from peter@netplex.com.au) X-Mailer: exmh version 2.1.1 10/15/1999 To: Poul-Henning Kamp Cc: "Andrey A. Chernov" , Brian Somers , Igor Timkin , current@FreeBSD.org, Jonathan Lemon , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, brian@hak.lan.awfulhak.org Subject: Re: cvs commit: src/sys/netinet tcp.h tcp_input.c tcp_output.c tcp_timer.c tcp_var.h In-Reply-To: Message from Poul-Henning Kamp of "Sat, 13 May 2000 16:53:46 +0200." <27282.958229626@critter.freebsd.dk> Date: Sat, 13 May 2000 13:43:13 -0700 From: Peter Wemm Message-Id: <20000513204313.0D7691CD7@overcee.netplex.com.au> Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Poul-Henning Kamp wrote: > In message <20000513074604.A27829@freebsd.org>, "Andrey A. Chernov" writes: > >On Sat, May 13, 2000 at 01:39:11PM +0100, Brian Somers wrote: > >> This has been happening to me in environments with high packet loss, > >> and before the NewReno changes went in. It was only happening in a > >> rather dubious environment were there was high packet loss > >> (compressed PPP over uncompressed PPP over a saturated ISDN dialup > >> that drops up to one in every three packets). > > > >But this bug is gone (for me at least), when NewReno is turned off. > >Is it means that NewReno cause very high packet loss somehow? > > I can reproduce the problem when I cvsup over a lossy line, goes > away when newreno is disabled. Yes, I had Jayanth turn newreno off by default. Jonathan Lemon committed it before Jayanth was ready. We have fixed it locally and are running a torture test on it. The problem was that retransmits were sending the wrong data(!). Cheers, -Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message