Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756596AbXKFJQU (ORCPT ); Tue, 6 Nov 2007 04:16:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754219AbXKFJQF (ORCPT ); Tue, 6 Nov 2007 04:16:05 -0500 Received: from smtp-out001.kontent.com ([81.88.40.215]:43393 "EHLO smtp-out001.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754237AbXKFJQD (ORCPT ); Tue, 6 Nov 2007 04:16:03 -0500 From: Oliver Neukum To: linux-usb-devel@lists.sourceforge.net Subject: Re: [linux-usb-devel] fixing usb-midi device support Date: Tue, 6 Nov 2007 10:17:06 +0100 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: David Griffith , Andrew Morton , Takashi Iwai , Clemens Ladisch , Linux Kernel Mailing List , Vitaliy Ivanov , Jaroslav Kysela References: <20071105192153.2bbae10f.akpm@linux-foundation.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711061017.06581.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1575 Lines: 46 Am Dienstag 06 November 2007 schrieb David Griffith: > On Mon, 5 Nov 2007, Andrew Morton wrote: > > > On Thu, 1 Nov 2007 10:20:24 -0700 (PDT) David Griffith wrote: > > > > > On Thu, 1 Nov 2007, Vitaliy Ivanov wrote: > > > > Lots of cc's added. > > > > > > David, > > > > > > > > On 10/31/07, David Griffith wrote: > > > > > > > > > > I have a MOTU Fastlane and an Emu Xmidi 2x2 USB midi interfaces. The Emu > > > > > unit works fine with current kernels. The MOTU unit won't work with > > > > > kernels newer than 2.6.17. > > > > It's a regression. > > > > The oops is still present. I was hoping that the patch I found and lost > > > would help me understand what was going on. > > > > > > > Are you able to send a copy of the oops output? > > Yes. > > To refresh everyone, I got this by doing "amidi -d -p virtual" in > one xterm. Then I started MIOS Studio > (http://www.midibox.org/mios_studio/) and patched the internal in port to > all available out ports including the virtual one just created. Remove > the MIDI interface, then quit MIOS Studio. An oops will immediately > occur. You are suffering from the sysfs/usb_set_configuration() issue. please try this patch: http://www.mail-archive.com/git-commits-head%40vger.kernel.org/msg28576.html Regards Oliver - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/