From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757581AbZCSWrk (ORCPT ); Thu, 19 Mar 2009 18:47:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753835AbZCSWr3 (ORCPT ); Thu, 19 Mar 2009 18:47:29 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:32936 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753778AbZCSWr2 (ORCPT ); Thu, 19 Mar 2009 18:47:28 -0400 Date: Thu, 19 Mar 2009 23:50:11 +0100 From: Pavel Machek To: Marcel Holtmann Cc: Greg KH , kernel list Subject: Re: 2.6.29-rc5+: usb bluetooth crashes system Message-ID: <20090319225011.GB6314@elf.ucw.cz> References: <20090310112307.GD1337@ucw.cz> <20090314034852.GA3417@kroah.com> <20090316114441.GF2405@elf.ucw.cz> <3DA733C2-2755-4D42-9512-7E7110B39526@holtmann.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3DA733C2-2755-4D42-9512-7E7110B39526@holtmann.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 Tue 2009-03-17 10:39:54, Marcel Holtmann wrote: > Hi Pavel, > >>>> Since switch to 2.6.29-rc, bluetooth crashes system... usually on >>>> disconnect or killall pppd. >>> >>> Do we have a trace? >> >> We have "bad magic" message, see bugzilla. I guess it is use of >> spinlock after free? > > can you double check with the net-next-2.6 or bluetooth-next-2.6 tree > and see if that issue is still present. 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. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html