Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750708AbWIUIYX (ORCPT ); Thu, 21 Sep 2006 04:24:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750729AbWIUIYW (ORCPT ); Thu, 21 Sep 2006 04:24:22 -0400 Received: from sccrmhc12.comcast.net ([204.127.200.82]:1013 "EHLO sccrmhc12.comcast.net") by vger.kernel.org with ESMTP id S1750708AbWIUIYW (ORCPT ); Thu, 21 Sep 2006 04:24:22 -0400 Date: Thu, 21 Sep 2006 01:24:54 -0700 From: Deepak Saxena To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Daniel Walker , Thomas Gleixner , rmk@arm.linux.org.uk, Kevin Hilman , linux-arm-kernel@lists.arm.linux.org.uk Subject: Re: 2.6.18-rt1 Message-ID: <20060921082454.GA32756@plexity.net> Reply-To: dsaxena@plexity.net References: <20060920141907.GA30765@elte.hu> <1158774118.29177.13.camel@c-67-180-230-165.hsd1.ca.comcast.net> <20060920182553.GC1292@us.ibm.com> <200609201436.47042.gene.heskett@verizon.net> <20060920194650.GA21037@elte.hu> <20060921080435.GA29636@plexity.net> <20060921080456.GA32040@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060921080456.GA32040@elte.hu> Organization: Plexity Networks User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1284 Lines: 30 On Sep 21 2006, at 10:04, Ingo Molnar was caught saying: > > * Deepak Saxena wrote: > > > I am seeing an intermittent lock up on the ARM Versatile board during > > the ALSA driver init that only shows up with (PREEMPT_RT & > > !HIGH_RES_TIMERS & ARM_EABI) enabled. If HRT is disabled and EABI is > > enabled, the kernel works every time, and same with !RT & !HRT & EABI. > > I get no oops, just a complete lock up with no console output. > > does enabling LOCKDEP give you any better info? (It might not make a > difference on the bootup that locks, but maybe you'll get a lockdep clue > about the problem in one of the successful bootups.) This is with LOCKDEP enabled. I'll look at this more tommorrow but I think next steps for me are printks to see if I can pinpoint the issue and possibly looking at the assembly to see if there's an obvious compiler issue. ~Deepak -- Deepak Saxena - dsaxena@plexity.net - http://www.plexity.net "An open heart has no possessions, only experiences" - Matt Bibbeau - 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/