From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760132AbZFBJT0 (ORCPT ); Tue, 2 Jun 2009 05:19:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756433AbZFBJTT (ORCPT ); Tue, 2 Jun 2009 05:19:19 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:36698 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756325AbZFBJTS (ORCPT ); Tue, 2 Jun 2009 05:19:18 -0400 Date: Tue, 2 Jun 2009 11:19:13 +0200 From: Pavel Machek To: Oliver Neukum Cc: kernel list , Greg KH , "Rafael J. Wysocki" Subject: Re: ttyACM0: 2.6.30-rc7 dies on device disconnect, strange echo (regressions) Message-ID: <20090602091912.GD15756@elf.ucw.cz> References: <20090601101421.GA1914@elf.ucw.cz> <200906011242.06244.oliver@neukum.org> <20090601113151.GB2445@elf.ucw.cz> <200906011434.57083.oliver@neukum.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200906011434.57083.oliver@neukum.org> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2009-06-01 14:34:56, Oliver Neukum wrote: > Am Montag, 1. Juni 2009 13:31:51 schrieb Pavel Machek: > > Steps to reproduce: > > > > minicom /dev/ttyACM0 > > > > Bug #2: try to interactivelly communicate with the other > > device. Notice that characters are echoed one character too late. You > > type "hello", but only "hell" appears. You press "!", "o" appears. > > > > Bug #1: while minicom is still connected, pull the USB cable. Machine > > locks hard. > > I can replicate neither bug with 2.6.30-rc7. Can you replicate it with > anything but openMOKO? So AT commands echo properly on USB modem or something? Bad :-(. I'm afraid I do not have another ACM device near me. I guess going through cdc-acm.c 's history would be relevant? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html