Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756541AbYHYSl2 (ORCPT ); Mon, 25 Aug 2008 14:41:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754137AbYHYSlU (ORCPT ); Mon, 25 Aug 2008 14:41:20 -0400 Received: from mx2.redhat.com ([66.187.237.31]:58369 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753957AbYHYSlT (ORCPT ); Mon, 25 Aug 2008 14:41:19 -0400 Date: Mon, 25 Aug 2008 14:38:02 -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: <20080825183801.GA11894@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: <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> <20080824181304.GA5963@redhat.com> <19f34abd0808251131t511d2d8g925b3dae94620e9a@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <19f34abd0808251131t511d2d8g925b3dae94620e9a@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: 962 Lines: 25 On Mon, Aug 25, 2008 at 08:31:04PM +0200, Vegard Nossum wrote: > Fedora 7 init, which would prompt for the starting of cpuspeed > initscript. Turning off echo for the tty was what triggered the > slowness; removing cpuspeed from the runlevel entirely solved the > problem. > > Don't know why cpuspeed would select a governor which runs the CPU at > a constant 300 MHz, though. p4-clockmod is the only cpufreq driver that can run on your hardware. There's nothing better. A while back, Fedora stopped loading (and even building) p4-clockmod, because it sucks so bad. I can't remember when we made that change, but it sounds like it must have been a post F7 thing. 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/