Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756243AbYBTILr (ORCPT ); Wed, 20 Feb 2008 03:11:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751608AbYBTILk (ORCPT ); Wed, 20 Feb 2008 03:11:40 -0500 Received: from www.tglx.de ([62.245.132.106]:33142 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750837AbYBTILi (ORCPT ); Wed, 20 Feb 2008 03:11:38 -0500 Date: Wed, 20 Feb 2008 09:11:16 +0100 (CET) From: Thomas Gleixner To: Marcel Holtmann cc: Quel Qun , LKML , Jiri Kosina , Ingo Molnar Subject: Re: Kernel oops with bluetooth usb dongle In-Reply-To: Message-ID: References: <021820080001.29293.47B8CAD10009FD170000726D2207000953CE05040A05@comcast.net> <895FB10F-5E5C-4409-AC3E-5F83BBF9ED72@holtmann.org> User-Agent: Alpine 1.00 (LFD 882 2007-12-20) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1215 Lines: 29 On Wed, 20 Feb 2008, Thomas Gleixner wrote: > On Tue, 19 Feb 2008, Marcel Holtmann wrote: > > I don't really have any idea. Nothing has been changed in this area for a > > couple of years. The command TX timeout is the timeout that indicates a > > missing answer to a command sent down to the Bluetooth chip. > > > > However this involves some atomic and tasklet stuff. Did we have some changes > > that I missed and might now render this usage as broken. > > Not that I'm aware off, but this might as well be some old use after > free bug which got exposed by some unrelated change. The good news is > that it is reproducible. I'll hack up some nasty debug patch which > lets us - hopefully - decode where the timer was armed. Quel, before I do that, is there any chance that you retest with the latest mainline git version ? http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.25-rc2-git4.bz2 Is the delta which applies on top of rc2. Thanks, tglx -- 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/