Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756080AbZDKGEt (ORCPT ); Sat, 11 Apr 2009 02:04:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752766AbZDKGEk (ORCPT ); Sat, 11 Apr 2009 02:04:40 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:58120 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752637AbZDKGEj (ORCPT ); Sat, 11 Apr 2009 02:04:39 -0400 Subject: Re: 2.6.29: can't resume from suspend with DMAR (intel iommu) enabled From: David Woodhouse To: Matthew Garrett Cc: Ingo Molnar , Andrew Lutomirski , Jesse Barnes , Kyle McMartin , Fenghua Yu , Suresh Siddha , Yinghai Lu , Mark Gross , LKML In-Reply-To: <20090407075640.GA16516@srcf.ucam.org> References: <20090324203259.GC26930@elte.hu> <1238003581.2085.53.camel@macbook.infradead.org> <20090325175908.GA25518@elte.hu> <1239051362.22733.87.camel@macbook.infradead.org> <20090407075640.GA16516@srcf.ucam.org> Content-Type: text/plain Date: Fri, 10 Apr 2009 23:04:12 -0700 Message-Id: <1239429852.712.1532.camel@macbook.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.26.0 (2.26.0-2.fc11) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 986 Lines: 24 On Tue, 2009-04-07 at 08:56 +0100, Matthew Garrett wrote: > On Mon, Apr 06, 2009 at 01:56:01PM -0700, David Woodhouse wrote: > > > Dirk reported the same panic, but we've just turned his iommu back on > > and completely failed to reproduce the problem -- so I'm kind of stuck. > > I saw this on a T400, but only on the first boot after enabling DMAR - > power cycling "fixed" it. OK, that should be fixed (amongst other things) in git.infradead.org/users/dwmw2/iommu-suspend-2.6.29.git and in the Fedora 2.6.29.1-68.fc11 kernel. Thanks. http://www.kerneloops.org/raw.php?rawid=346794 -- David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation -- 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/