From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753486AbXCYHec (ORCPT ); Sun, 25 Mar 2007 03:34:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753488AbXCYHeb (ORCPT ); Sun, 25 Mar 2007 03:34:31 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:41611 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753487AbXCYHea (ORCPT ); Sun, 25 Mar 2007 03:34:30 -0400 Date: Sun, 25 Mar 2007 09:34:24 +0200 From: Ingo Molnar To: Roland Dreier Cc: linux-kernel@vger.kernel.org Subject: Re: Early hang with 2.6.21-rc4-rt1 Message-ID: <20070325073424.GA14242@elte.hu> References: <20070325072947.GA10734@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070325072947.GA10734@elte.hu> User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Ingo Molnar wrote: > > OK, another data point. The config below boots and works with > > 2.6.21-rc4-rt1, but enabling CONFIG_CRITICAL_IRQSOFF_TIMING causes the > > early boot hang. > > ah, i havent tried that option in quite some time, so bitrot is pretty > likely. Does the problem go away if you disable CONFIG_FUNCTION_TRACE? hm - on 32-bit, CRITICAL_IRQSOFF_TIMING+FUNCTION_TRACING works fine for me. I'll try the 64-bit kernel too. Ingo