From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758676AbXLSAbt (ORCPT ); Tue, 18 Dec 2007 19:31:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754591AbXLSAbm (ORCPT ); Tue, 18 Dec 2007 19:31:42 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:50881 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754582AbXLSAbl (ORCPT ); Tue, 18 Dec 2007 19:31:41 -0500 Date: Wed, 19 Dec 2007 01:31:31 +0100 From: Ingo Molnar To: kinesis Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , "H. Peter Anvin" Subject: Re: hwclock --systohc locks machine up, RTC conflict problems Message-ID: <20071219003131.GA16927@elte.hu> References: <14245613.post@talk.nabble.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <14245613.post@talk.nabble.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * kinesis wrote: > my machine is 64bit running SLAMD64 v12 (slackware) Linux excalibur > 2.6.24-rc4-kinesis-g94545bad #8 SMP Sun Dec 9 10:47:29 PST 2007 x86_64 > x86_64 x86_64 GNU/Linux > > Issuing the command hwclock --systohc and sometimes at boot --hctosys > causes my machine to freeze. could you try the "x86: IO delay quirk" patch attached to this bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=6307 please boot with io_delay=0xed [or io_delay=udelay or io_delay=none]. does that fix the lockups? Ingo