From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265282AbUFUEDu (ORCPT ); Mon, 21 Jun 2004 00:03:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266001AbUFUEDu (ORCPT ); Mon, 21 Jun 2004 00:03:50 -0400 Received: from fw.osdl.org ([65.172.181.6]:13457 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S265282AbUFUEDs (ORCPT ); Mon, 21 Jun 2004 00:03:48 -0400 Date: Sun, 20 Jun 2004 21:02:33 -0700 From: Andrew Morton To: Jeff Garzik Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.7-bk way too fast Message-Id: <20040620210233.1e126ddc.akpm@osdl.org> In-Reply-To: <40D657B7.8040807@pobox.com> References: <40D64DF7.5040601@pobox.com> <40D657B7.8040807@pobox.com> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jeff Garzik wrote: > > Jeff Garzik wrote: > > > > Something is definitely screwy with the latest -bk. I updated from a > > kernel ~1 week ago, and all timer-related stuff is moving at a vastly > > increased rate. My guess is twice as fast. Most annoying is the system > > clock advances at twice normal rate, and keyboard repeat is so sensitive > > I am spending quite a bit of time typing this message, what with having > > to delettte (<== example) extra characters. Double-clicking is also > > broken :( > > Looks like disabling CONFIG_ACPI fixes things. Narrowing down cset now... > Try this. --- 25/arch/i386/kernel/mpparse.c~i386-double-clock-speed-fix 2004-06-20 18:04:47.409952912 -0700 +++ 25-akpm/arch/i386/kernel/mpparse.c 2004-06-20 18:05:13.034057456 -0700 @@ -1017,7 +1017,8 @@ void __init mp_config_acpi_legacy_irqs ( for (idx = 0; idx < mp_irq_entries; idx++) if (mp_irqs[idx].mpc_srcbus == MP_ISA_BUS && - (mp_irqs[idx].mpc_dstapic == ioapic) && + (mp_irqs[idx].mpc_dstapic == + mp_ioapics[ioapic].mpc_apicid) && (mp_irqs[idx].mpc_srcbusirq == i || mp_irqs[idx].mpc_dstirq == i)) break; _