From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932272AbXAOMOZ (ORCPT ); Mon, 15 Jan 2007 07:14:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932269AbXAOMOZ (ORCPT ); Mon, 15 Jan 2007 07:14:25 -0500 Received: from mira.imr.uni-hannover.de ([130.75.27.99]:49231 "HELO mira.imr.uni-hannover.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932272AbXAOMOY (ORCPT ); Mon, 15 Jan 2007 07:14:24 -0500 X-Greylist: delayed 399 seconds by postgrey-1.27 at vger.kernel.org; Mon, 15 Jan 2007 07:14:23 EST Message-ID: <45AB6E8C.4090408@imr.uni-hannover.de> Date: Mon, 15 Jan 2007 13:07:40 +0100 From: Martin Bretschneider User-Agent: Thunderbird 1.5.0.9 (Windows/20061207) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org, jgarzik@pobox.com, jbeulich@novell.com, mb@bu3sch.de Subject: new HW RNG freezes kernels > 2.6.17 at startup with Xeon 5130 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, it seems to me that the new hardware random number generator (HW RNG) freezes my hardware: The CPU is Intel Xeon 5130 (Intel Core microarchitecture) [1] installed on Intel Server Board S5000VSA. Linux is run in 64bit mode and the distribution is Debian Etch (but that should not matter). If I take Debian's kernel 2.6.17 it boots :-) If I take vanilla kernel 2.6.17.9 it boots :-) If I take Debian's kernel 2.6.18 it does not boot. If I take vanilla kernel 2.6.18.6 it does not boot. If I take vanilla kernel 2.6.19.1 it does not boot. If I take vanilla kernel 2.6.20-rc4 it does not boot. There was no error thus it was not that easy to find out the problem. Comparing the boot logs of 2.6.17 and 2.6.18 the freeze ocurred before initializing the hardware random number generator. Thus I recompiled the vanilla Kernel 2.6.18.6 without support of the new HW RNG and it boots. So, I renamed the directory /kernel/drivers/char/hw_random and the Debian kernel 2.6.18 does also boot. I have not testet the kernel > 2.6.18 but I guess that they will also boot without the new NW RNG. Do you know the problem? Can I provide you more information? TIA Martin [1]http://en.wikipedia.org/wiki/List_of_Intel_Xeon_microprocessors#Woodcrest