Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755936AbYHXSQl (ORCPT ); Sun, 24 Aug 2008 14:16:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752519AbYHXSQc (ORCPT ); Sun, 24 Aug 2008 14:16:32 -0400 Received: from mx2.redhat.com ([66.187.237.31]:55206 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752626AbYHXSQb (ORCPT ); Sun, 24 Aug 2008 14:16:31 -0400 Date: Sun, 24 Aug 2008 14:13:04 -0400 From: Dave Jones To: Vegard Nossum Cc: "H. Peter Anvin" , Andi Kleen , the arch/x86 maintainers , Linux Kernel Mailing List , Rusty Russell Subject: Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask_bitmask+0xc3/0xe0() Message-ID: <20080824181304.GA5963@redhat.com> Mail-Followup-To: Dave Jones , Vegard Nossum , "H. Peter Anvin" , Andi Kleen , the arch/x86 maintainers , Linux Kernel Mailing List , Rusty Russell References: <19f34abd0808191251x4eb61c50n13ecf7c90f0f3d9f@mail.gmail.com> <20080820013930.GN9807@one.firstfloor.org> <19f34abd0808192326jc10e758m99e76bbd5714c5b8@mail.gmail.com> <20080822003659.GA7581@redhat.com> <48AE20B8.9000204@kernel.org> <19f34abd0808240220v77bcdd5di32f8f865b18fc49f@mail.gmail.com> <48B19799.6090703@kernel.org> <19f34abd0808241022j1ab6f3e6qd72b9acba5df4892@mail.gmail.com> <19f34abd0808241045r37eb8661h3cc688b6f0513777@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <19f34abd0808241045r37eb8661h3cc688b6f0513777@mail.gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1209 Lines: 35 On Sun, Aug 24, 2008 at 07:45:48PM +0200, Vegard Nossum wrote: > Removing acpi=off helps with the CPU detection problem. The kernel is > still really slow, though. From /proc/cpuinfo: > > processor : 1 > vendor_id : GenuineIntel > cpu family : 15 > model : 6 > model name : Intel(R) Pentium(R) 4 CPU 3.00GHz > stepping : 5 > cpu MHz : 375.000 > cache size : 2048 KB > > Why is MHz on 375!? I tried cpufreq-selector, but nothing changed. Maybe > > calling acpi_cpufreq_init+0x0/0x90 > initcall acpi_cpufreq_init+0x0/0x90 returned -19 after 0 msecs -ENODEV. Because you don't have frequency scaling capable CPU. > Okay, now I used cpufreq-selector to change to "ondemand" governor, > and MHz goes back to 3000. Weird. Why would "performance" governor put > my machine to a constant 375? Probably because you're using p4-clockmod, and it's crap. Dave -- http://www.codemonkey.org.uk -- 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/