Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758694AbXEUFB2 (ORCPT ); Mon, 21 May 2007 01:01:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754338AbXEUFBT (ORCPT ); Mon, 21 May 2007 01:01:19 -0400 Received: from tuxrocks.com ([63.99.9.217]:39739 "EHLO tuxrocks.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754649AbXEUFBT (ORCPT ); Mon, 21 May 2007 01:01:19 -0400 Message-ID: <46512778.2050205@tuxrocks.com> Date: Mon, 21 May 2007 00:00:40 -0500 From: Frank Sorenson User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Thomas Gleixner CC: Maarten Maathuis , linux-kernel@vger.kernel.org Subject: Re: [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for x86_64 References: <6d4bc9fc0705200525m1b72aaaevf8a1d090038bb7dc@mail.gmail.com> <1179669982.21827.25.camel@chaos> In-Reply-To: <1179669982.21827.25.camel@chaos> X-Enigmail-Version: 0.94.3.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1407 Lines: 43 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Thomas Gleixner wrote: > 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 I see the slow bootup as well, even with 2.6.22-rc2-hrt1. It takes at least 5 times as long to boot, for X to start, to login, etc. Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG frank@tuxrocks.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGUSd4aI0dwg4A47wRAog8AJ9QkOlDEweqxeLxC3Bx7C5TQbMbjACfeM6k pDJzhXJYwoH39CzIYy3eAnw= =qNW6 -----END PGP SIGNATURE----- - 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/