Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758412AbXETOAY (ORCPT ); Sun, 20 May 2007 10:00:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756588AbXETOAM (ORCPT ); Sun, 20 May 2007 10:00:12 -0400 Received: from www.osadl.org ([213.239.205.134]:35111 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755955AbXETOAL (ORCPT ); Sun, 20 May 2007 10:00:11 -0400 Subject: Re: [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for x86_64 From: Thomas Gleixner To: Maarten Maathuis Cc: linux-kernel@vger.kernel.org In-Reply-To: <6d4bc9fc0705200525m1b72aaaevf8a1d090038bb7dc@mail.gmail.com> References: <6d4bc9fc0705200525m1b72aaaevf8a1d090038bb7dc@mail.gmail.com> Content-Type: text/plain Date: Sun, 20 May 2007 16:06:22 +0200 Message-Id: <1179669982.21827.25.camel@chaos> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-2.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 831 Lines: 25 On Sun, 2007-05-20 at 14:25 +0200, Maarten Maathuis wrote: > When i try to boot a kernel higher than 2.6.21-rt1, it boots very > slowly. It takes minutes to even detect two cdrom players. I noticed > in the changelog: > > - x86/64 high-res timers and dynticks update (Thomas Gleixner) > > I included the .config from 2.6.21-rt1, which i ran make oldconfig on. > > I cannot provide any other information, since i estimate it will take > ages to bootup. Does the same problem show up with http://tglx.de/projects/hrtimers/2.6.22-rc2/linux-2.6.22-rc2-x86_64-highres-v1.patch tglx - 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/