From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756829AbZEZTHb (ORCPT ); Tue, 26 May 2009 15:07:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755830AbZEZTHV (ORCPT ); Tue, 26 May 2009 15:07:21 -0400 Received: from mx2.redhat.com ([66.187.237.31]:44502 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755559AbZEZTHT (ORCPT ); Tue, 26 May 2009 15:07:19 -0400 Date: Tue, 26 May 2009 13:01:43 -0600 From: Pete Zaitcev To: David Cc: Alan Stern , USB list , Pekka Enberg , linux-media@vger.kernel.org, Linux Kernel Mailing List , dbrownell@users.sourceforge.net, leonidv11@gmail.com, Greg KH , Andrew Morton , "Rafael J. Wysocki" , zaitcev@redhat.com Subject: Re: USB/DVB - Old Technotrend TT-connect S-2400 regression tracked down Message-Id: <20090526130143.85475405.zaitcev@redhat.com> In-Reply-To: <4A1C37F8.2090703@unsolicited.net> References: <4A1967A2.4050906@unsolicited.net> <20090524203902.594a0eec.zaitcev@redhat.com> <4A1A5E24.20201@unsolicited.net> <4A1A8E53.9060108@unsolicited.net> <20090525184843.33c93006.zaitcev@redhat.com> <4A1C37F8.2090703@unsolicited.net> Organization: Red Hat, Inc. Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 26 May 2009 19:42:00 +0100, David wrote: > I've been doing a bit of random rebooting (I don't really have time to > do a full bisect), and can reproduce the usbmon panic on this machine > back to 2.6.24.. so it certainly hasn't appeared that recently. Actually that's good to know, thanks a lot. I can always just stub out any attempt to peek into the IOMMU on Opterons. This would bring us back into the days of 'D' returned from everything, although maybe not so bad as we've cut out some unnecessary usb_buffer use. At least, no more crashing. -- Pete