Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752738AbXICNJv (ORCPT ); Mon, 3 Sep 2007 09:09:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755385AbXICNJk (ORCPT ); Mon, 3 Sep 2007 09:09:40 -0400 Received: from terminus.zytor.com ([198.137.202.10]:58073 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751309AbXICNJj (ORCPT ); Mon, 3 Sep 2007 09:09:39 -0400 Message-ID: <46DC0740.1030507@zytor.com> Date: Mon, 03 Sep 2007 14:08:16 +0100 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Andrew Morton CC: Jeff Chua , michal.k.k.piotrowski@gmail.com, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, mingo@elte.hu, lists4me@web.de, adaplas@gmail.com, lenb@kernel.org, dth@dth.net, linux-fsdevel@vger.kernel.org, nfs@lists.sourceforge.net, Trond.Myklebust@netapp.com, andrew@digital-domain.net, peter.kovar@gmail.com Subject: Re: [2/4] 2.6.23-rc5: known regressions References: <46DBD982.3080102@googlemail.com> <46DBDD8B.7040706@googlemail.com> <20070903055114.7f82ef46.akpm@linux-foundation.org> In-Reply-To: <20070903055114.7f82ef46.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1480 Lines: 34 Andrew Morton wrote: >> On Mon, 3 Sep 2007 20:36:32 +0800 "Jeff Chua" wrote: >> On 9/3/07, Michal Piotrowski wrote: >> >>> Subject : console is messed up after resume from s2ram or switching to console from X >>> References : http://lkml.org/lkml/2007/8/4/6 >>> Last known good : ? >>> Submitter : Jeff Chua >>> Caused-By : ? >>> Handled-By : H. Peter Anvin >>> Antonino A. Daplas >>> Workaround : "s2ram --force --acpi_sleep 1 --vbe_mode" >>> Status : problem is being debugged >> Michal, >> >> Can you please close this case. I'm using the workaround and satisfied with it. > > 2.6.21 was OK, and 2.6.23-rc2 needed a manual workaround? > > That's a regression. Yes, it is. 2.6.21 was OK, but only within a narrow and ill-characterized set of conditions (framebuffer not compiled into the kernel, in particular.) It appears to me that the interaction between STR and video on this system is extremely fragile, to the point that any minor perturbations in the state can break it, and that that is the real underlying problem here. -hpa - 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/