Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751991AbYJNNny (ORCPT ); Tue, 14 Oct 2008 09:43:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750827AbYJNNnp (ORCPT ); Tue, 14 Oct 2008 09:43:45 -0400 Received: from moog.chdir.org ([88.191.42.160]:55618 "EHLO moog.chdir.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750791AbYJNNnp (ORCPT ); Tue, 14 Oct 2008 09:43:45 -0400 Date: Tue, 14 Oct 2008 15:43:41 +0200 From: Nicolas Bareil To: Oliver Neukum Cc: Nicolas Bareil , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: USB problem on x86_64: nommu_map_single() issue? Message-ID: <20081014134341.GA2196@sd-5945.dedibox.fr> References: <20081014072045.GA1252@sd-5945.dedibox.fr> <200810141148.48220.oliver@neukum.org> <20081014104500.GB1252@sd-5945.dedibox.fr> <200810141300.29502.oliver@neukum.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200810141300.29502.oliver@neukum.org> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 998 Lines: 24 On Tue, Oct 14, 2008 at 01:00:28PM +0200, Oliver Neukum wrote: > > Yes this is a regression: USB works in 2.6.26.x with (almost) the same configuration. > > This a an IOMMU problem, not really a USB problem. Can you bisect the problem? Ok, after 24 reboots, I have the following commit: commit 6f21d806f698a5c437dcae1f03e8dd73e3f5aab1 Merge: e59e14b... 9f72632... Author: Linus Torvalds Date: Sun Sep 21 12:40:56 2008 -0700 Merge branch 'kvm-updates/2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'kvm-updates/2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: ia64: 'struct fdesc' build fix Do you think I'm good to bisect that tree or do you have an idea? -- 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/