From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755127AbZFBNU5 (ORCPT ); Tue, 2 Jun 2009 09:20:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754364AbZFBNUu (ORCPT ); Tue, 2 Jun 2009 09:20:50 -0400 Received: from smtp-out003.kontent.com ([81.88.40.217]:48035 "EHLO smtp-out003.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754136AbZFBNUt (ORCPT ); Tue, 2 Jun 2009 09:20:49 -0400 From: Oliver Neukum To: Pavel Machek Subject: Re: ttyACM0: 2.6.30-rc7 dies on device disconnect, strange echo (regressions) Date: Tue, 2 Jun 2009 15:21:23 +0200 User-Agent: KMail/1.10.3 (Linux/2.6.30-rc7-0.1-default; KDE/4.1.3; x86_64; ; ) Cc: kernel list , Greg KH , "Rafael J. Wysocki" References: <20090601101421.GA1914@elf.ucw.cz> <200906011434.57083.oliver@neukum.org> <20090602091912.GD15756@elf.ucw.cz> In-Reply-To: <20090602091912.GD15756@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200906021521.24248.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Dienstag, 2. Juni 2009 11:19:13 schrieb Pavel Machek: > > 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? The tty layer was changed a lot, so going only through acm's history is risky. I suggest you do a full bisection. Regards Oliver