From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755536AbZBEX3W (ORCPT ); Thu, 5 Feb 2009 18:29:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753162AbZBEX3L (ORCPT ); Thu, 5 Feb 2009 18:29:11 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45017 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753131AbZBEX3K (ORCPT ); Thu, 5 Feb 2009 18:29:10 -0500 Date: Thu, 05 Feb 2009 15:29:06 -0800 (PST) Message-Id: <20090205.152906.221253085.davem@davemloft.net> To: jeff.chua.linux@gmail.com Cc: herbert@gondor.apana.org.au, rjw@sisk.pl, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: commit 64ff3b938ec6782e6585a83d5459b98b0c3f6eb8 breaks rlogin From: David Miller In-Reply-To: References: X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jeff Chua Date: Thu, 5 Feb 2009 22:41:52 +0800 [ netdev CC:'d, please always do this for networking stuff ] > The following commit breaks "rlogin". Symptom is the terminal just > hangs before login to the remote machine. No error, just the cursor > never come back. "~." or type "exit" will exit from remote session. > Only happens "sometimes". Happens more often if you try many times. > > I've reverted the commit, and rlogin works now. ... > commit 64ff3b938ec6782e6585a83d5459b98b0c3f6eb8 > Author: Herbert Xu > Date: Thu Dec 25 17:12:58 2008 -0800 > > tcp: Always set urgent pointer if it's beyond snd_nxt Oh well, what is running on each side of the rlogin attempt? Herbert, please help Jeff try to track down the cause of this. If we can't figure it out soon I'll have to revert.