Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762745AbYJJU5X (ORCPT ); Fri, 10 Oct 2008 16:57:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759244AbYJJU5N (ORCPT ); Fri, 10 Oct 2008 16:57:13 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:38549 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757816AbYJJU5M (ORCPT ); Fri, 10 Oct 2008 16:57:12 -0400 Date: Fri, 10 Oct 2008 22:56:42 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Andrew Morton , Jens Axboe , Thomas Gleixner , "H. Peter Anvin" , Yinghai Lu , Tejun Heo Subject: Re: [bug] latest -git boot hang Message-ID: <20081010205642.GA28840@elte.hu> References: <20081010203043.GA11798@elte.hu> <20081010204015.GA15668@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081010204015.GA15668@elte.hu> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00,DNS_FROM_SECURITYSAGE autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] 0.0 DNS_FROM_SECURITYSAGE RBL: Envelope sender in blackholes.securitysage.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1561 Lines: 39 > bisection ongoing. [...] the result is: # bad: [f6bccf69] Merge git://git.kernel.org/pub/scm/linux/kernel/gi # good: [3fa8749e] Linux 2.6.27 # good: [d403a648] Merge phase #1 of git://git.kernel.org/pub/scm/lin # bad: [ad3316bf] block: Find bio sector offset given idx and offset # bad: [10865dfa] sg: convert the non-data path to use the block lay # good: [88e34126] block: update add_partition() error handling # bad: [4c46501d] block: move holder_dir from disk to part0 # good: [f615b48c] sd/ide-disk: apply extended minors to sd and ide # bad: [80795aef] block: move capacity from disk to part0 # bad: [ed9e1982] block: implement and use {disk|part}_to_dev() # bad: [870d6656] block: implement CONFIG_DEBUG_BLOCK_EXT_DEVT | 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. 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? Ingo -- 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/