From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756885Ab2ADUlC (ORCPT ); Wed, 4 Jan 2012 15:41:02 -0500 Received: from mail-ee0-f46.google.com ([74.125.83.46]:46750 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755425Ab2ADUk7 (ORCPT ); Wed, 4 Jan 2012 15:40:59 -0500 Message-ID: <4F04B957.3000408@suse.cz> Date: Wed, 04 Jan 2012 21:40:55 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20111223 Thunderbird/10.0 MIME-Version: 1.0 To: markh@compro.net CC: Alan Cox , Linux-kernel , Mark Hounschell , Jiri Slaby 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> <4F04B65D.6070505@suse.cz> <4F04B7FF.5010906@compro.net> In-Reply-To: <4F04B7FF.5010906@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 09:35 PM, Mark Hounschell wrote: > On 01/04/2012 03:28 PM, Jiri Slaby wrote: >> 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, > > Yep. ModemManager-0.5-3.1.3.i586 And what happens if you remove that? -- js suse labs