Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757972AbYJMImP (ORCPT ); Mon, 13 Oct 2008 04:42:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756413AbYJMIl7 (ORCPT ); Mon, 13 Oct 2008 04:41:59 -0400 Received: from ns2.suse.de ([195.135.220.15]:56398 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756452AbYJMIl6 (ORCPT ); Mon, 13 Oct 2008 04:41:58 -0400 Date: Mon, 13 Oct 2008 10:41:35 +0200 Message-ID: From: Takashi Iwai To: Tejun Heo Cc: Linus Torvalds , Ingo Molnar , linux-kernel@vger.kernel.org, Andrew Morton , Jens Axboe , Thomas Gleixner , "H. Peter Anvin" , Yinghai Lu Subject: Re: [bug] latest -git boot hang In-Reply-To: <48EFF84B.5060108@kernel.org> References: <20081010203043.GA11798@elte.hu> <20081010204015.GA15668@elte.hu> <20081010205642.GA28840@elte.hu> <48EFF84B.5060108@kernel.org> User-Agent: Wanderlust/2.12.0 (Your Wildest Dreams) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 Emacs/22.3 (x86_64-suse-linux-gnu) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") 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: 1504 Lines: 43 At Sat, 11 Oct 2008 09:50:19 +0900, Tejun Heo wrote: > > Hello, > > Linus Torvalds wrote: > > On Fri, 10 Oct 2008, Ingo Molnar wrote: > >> | 870d6656126add8e383645732b03df2b7ccd4f94 is first bad commit > >> | commit 870d6656126add8e383645732b03df2b7ccd4f94 > >> | Author: Tejun Heo > >> | Date: Mon Aug 25 19:47:25 2008 +0900 > >> | > >> | block: implement CONFIG_DEBUG_BLOCK_EXT_DEVT > >> > >> and meanwhile 2 other test-systems failed to boot as well - both have > >> CONFIG_DEBUG_BLOCK_EXT_DEVT=y. > >> > >> So i guess this debug feature is working as expected. > > > > Ahh, yeah, sounds that way. > > > >> I guess we should mark CONFIG_DEBUG_BLOCK_EXT_DEVT=y as really dangerous > >> to enable because contemporary distributions (i tried Fedora 9) fail > >> with it too? > > > > Tejun - do you know whether _any_ distro will boot with > > CONFIG_DEBUG_BLOCK_EXT_DEVT=y? > > Hmmm... openSUSE 11.0 didn't have any problem with it, which I was a bit > pleasantly surprised about. I haven't tested management tools but the > base system worked just fine. FYI, even on openSUSE 11.0, it gets a problem when you run mkinitrd on the kernel with CONFIG_DEBUG_BLOCK_EXT_DEVT=y. It's a problem of SUSE mkinitrd, though. Takashi -- 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/