From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756862Ab2ADU2V (ORCPT ); Wed, 4 Jan 2012 15:28:21 -0500 Received: from mail-ee0-f46.google.com ([74.125.83.46]:32798 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756818Ab2ADU2T (ORCPT ); Wed, 4 Jan 2012 15:28:19 -0500 Message-ID: <4F04B65D.6070505@suse.cz> Date: Wed, 04 Jan 2012 21:28:13 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111130 Thunderbird/9.0 MIME-Version: 1.0 To: markh@compro.net CC: Alan Cox , Linux-kernel , Mark Hounschell Subject: Re: tty TTY_HUPPED anomaly References: <4EF49579.9040907@compro.net> <4EF4CC92.5090502@compro.net> <20111223204015.541924f2@pyx> <4F047767.5060708@compro.net> <20120104162745.76fc3852@pyramind.ukuu.org.uk> <4F04A187.2050705@compro.net> In-Reply-To: <4F04A187.2050705@compro.net> X-Enigmail-Version: 1.3.4 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/04/2012 07:59 PM, Mark Hounschell wrote: >> I would guess (given the distro change is the trigger) that you've got a >> SuSE problem not a kernel one. The kernel behaviour and code looks >> correct. My guess therefore is that newer SuSE is running stuff in the >> boot which is probing serial ports and messing with the carrier wrongly >> and in ways it didn't use to. That would fit the fact that something >> similarly broken has apparently also appeared in the Fedora user space >> bootup. And we (suse) have a report for enterprise, that says ModemManager causes a similar issue. Could you perhaps check whether you have that thing installed? thanks, -- js suse labs