Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755499Ab1FGQZL (ORCPT ); Tue, 7 Jun 2011 12:25:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16435 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754481Ab1FGQZJ (ORCPT ); Tue, 7 Jun 2011 12:25:09 -0400 Date: Tue, 7 Jun 2011 12:24:54 -0400 From: Dave Jones To: Ingo Molnar Cc: Linux Kernel , Linus Torvalds Subject: Re: random hangs during boot in 3.0-rc Message-ID: <20110607162454.GA16521@redhat.com> Mail-Followup-To: Dave Jones , Ingo Molnar , Linux Kernel , Linus Torvalds References: <20110607034617.GA27980@redhat.com> <20110607110102.GE21356@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110607110102.GE21356@elte.hu> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 895 Lines: 26 On Tue, Jun 07, 2011 at 01:01:02PM +0200, Ingo Molnar wrote: > > * Dave Jones wrote: > > > I have two machines that occasionally (like 1 in 10 boots or so) > > hang solid during boot-up. Happens in different places, but > > usually either when loading the microcode driver, or while doing a > > fsck. > > I think this commit in tip:sched/urgent will fix it: > > f2513cde93f0: lockdep: Fix lock_is_held() on recursion > > Will send it to Linus later today. Indeed. Looks like that does fix the problem. I've done a number of reboots on one of the affected machines this morning, without any hangs. Dave -- 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/