From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757649AbZCZRlM (ORCPT ); Thu, 26 Mar 2009 13:41:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753307AbZCZRk4 (ORCPT ); Thu, 26 Mar 2009 13:40:56 -0400 Received: from senator.holtmann.net ([87.106.208.187]:54769 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752505AbZCZRk4 (ORCPT ); Thu, 26 Mar 2009 13:40:56 -0400 Subject: Re: 2.6.29-rc5+: usb bluetooth crashes system From: Marcel Holtmann To: Oliver Neukum Cc: Pavel Machek , "Rafael J. Wysocki" , Greg KH , kernel list In-Reply-To: <200903261311.03513.oliver@neukum.org> References: <20090310112307.GD1337@ucw.cz> <20090319225011.GB6314@elf.ucw.cz> <20090326095856.GA22641@elf.ucw.cz> <200903261311.03513.oliver@neukum.org> Content-Type: text/plain Date: Wed, 25 Mar 2009 17:22:54 +0100 Message-Id: <1237998174.13998.5.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.24.5 (2.24.5-1.fc10) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Oliver, > > > Well, I took btusb.c from 2.6.28 and that fixed the issue; so we know > > > the regression is in btusb.c file between 28 and 29-rc7. If you have > > > specific version of btusb.c you want me to test, please mail it to me. > > > > This smaller patch (partial revert of btusb.c to 2.6.28 state) seems > > to help, too.... > > Could you test whether reversing the changes to btusb_probe() alone > helps? just test net-next-2.6 or latest Linus' tree once he pulled the networking changes from Dave. We had to partly revert that change for some hardware. Believe it or not, but some Bluetooth chips don't work if we don't submit the bulk URBs along with the interrupt URBs. Regards Marcel