From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764739AbYBNDro (ORCPT ); Wed, 13 Feb 2008 22:47:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756644AbYBNDrf (ORCPT ); Wed, 13 Feb 2008 22:47:35 -0500 Received: from sj-iport-6.cisco.com ([171.71.176.117]:21426 "EHLO sj-iport-6.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754925AbYBNDre (ORCPT ); Wed, 13 Feb 2008 22:47:34 -0500 To: "Tony Luck" Cc: "David Miller" , mingo@elte.hu, linux-kernel@vger.kernel.org Subject: Re: Strange hang on ia64 with CONFIG_PRINTK_TIME=y X-Message-Flag: Warning: May contain useful information References: <20080213125725.GC6344@elte.hu> <20080213.050340.64342037.davem@davemloft.net> <12c511ca0802131659u6e4407d9w96148fe72d6e11d7@mail.gmail.com> <20080213.170452.68851396.davem@davemloft.net> <12c511ca0802131933g6aaaec9cidbfbfcac6f394c63@mail.gmail.com> From: Roland Dreier Date: Wed, 13 Feb 2008 19:47:26 -0800 In-Reply-To: <12c511ca0802131933g6aaaec9cidbfbfcac6f394c63@mail.gmail.com> (Tony Luck's message of "Wed, 13 Feb 2008 19:33:42 -0800") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) XEmacs/21.4.21 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 14 Feb 2008 03:47:28.0766 (UTC) FILETIME=[51F029E0:01C86EBC] Authentication-Results: sj-dkim-3; header.From=rdreier@cisco.com; dkim=pass ( sig from cisco.com/sjdkim3002 verified; ); Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I'll take a closer look at what is needed tomorrow. Hi Tony, Just curious -- can you reproduce the same problem with CONFIG_PRINTK_TIME as I'm seeing? If not I'm happy to test anything you want to try. The strange thing is that Ingo's patch to make cpu_clock() a NOP until after sched_init() didn't fix things for me... - R.