From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757118AbZATJJD (ORCPT ); Tue, 20 Jan 2009 04:09:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754364AbZATJIq (ORCPT ); Tue, 20 Jan 2009 04:08:46 -0500 Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.122]:37560 "EHLO cdptpa-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753018AbZATJIo (ORCPT ); Tue, 20 Jan 2009 04:08:44 -0500 Message-ID: <49759499.4050708@cfl.rr.com> Date: Tue, 20 Jan 2009 04:08:41 -0500 From: Mark Hounschell User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: john stultz CC: linux-kernel , Mark Hounschell , Thomas Gleixner Subject: Re: PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II processor References: <497322CC.7050900@cfl.rr.com> <1f1b08da0901191625i6ac12312g9ae9ab599958a818@mail.gmail.com> In-Reply-To: <1f1b08da0901191625i6ac12312g9ae9ab599958a818@mail.gmail.com> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org john stultz wrote: > On Sun, Jan 18, 2009 at 4:38 AM, Mark Hounschell wrote: >> I upgraded from a Phenom to a Phenom-II processor and I could no longer boot. >> >> I have tried kernels from 2.6.26 through 2.6.28. >> >> I _can_ however boot these kernels when they are configured for HZ = 250. I >> haven't tried HZ = 300. But certainly if HZ = 1000 the boot hangs at the spot >> indicated below in the dmesg output. >> >> The machine is up and stable running 2.6.26.8 with a (HZ = 1000) configured kernel. >> >> While running a 2.6.26.8 kernel configured for HZ = 250: > [snip] >> vmalloc : 0xf4800000 - 0xff7fe000 ( 175 MB) >> lowmem : 0xc0000000 - 0xf4000000 ( 832 MB) >> .init : 0xc0373000 - 0xc03a9000 ( 216 kB) >> .data : 0xc02b5336 - 0xc036c6d0 ( 732 kB) >> .text : 0xc0100000 - 0xc02b5336 (1748 kB) >> Checking if this processor honours the WP bit even in supervisor mode...Ok. >> >> >> The 2.6.26.8 kernel hangs up right here. >> >> >> CPA: page pool initialized 1 of 1 pages preallocated >> SLUB: Genslabs=12, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 >> hpet clockevent registered >> calibrate_delay_direct() failed to get a good estimate for loops_per_jiffy. > > This looks suspect. Probably something is off with the timer > interrupt, that's causing the calibration to be way off. > > Does booting with hpet=disable change anything? > > thanks > -john John, I tried this with 2.6.26, 2.6.28, and 2.6.29-rc2. It didn't change anything. thanks Mark