Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754856AbWKKSUS (ORCPT ); Sat, 11 Nov 2006 13:20:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754860AbWKKSUS (ORCPT ); Sat, 11 Nov 2006 13:20:18 -0500 Received: from smtp.osdl.org ([65.172.181.4]:3034 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1754856AbWKKSUR (ORCPT ); Sat, 11 Nov 2006 13:20:17 -0500 Date: Sat, 11 Nov 2006 10:19:42 -0800 From: Andrew Morton To: Arjan van de Ven Cc: David Howells , Neil Brown , "bugme-daemon@kernel-bugs.osdl.org" , linux-kernel@vger.kernel.org, alex@hausnet.ru Subject: Re: [Bugme-new] [Bug 7495] New: Kernel periodically hangs. Message-Id: <20061111101942.5f3f2537.akpm@osdl.org> In-Reply-To: <1163268603.3293.45.camel@laptopd505.fenrus.org> References: <200611111129.kABBTWgp014081@fire-2.osdl.org> <20061111100038.6277efd4.akpm@osdl.org> <1163268603.3293.45.camel@laptopd505.fenrus.org> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-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 Content-Length: 954 Lines: 27 On Sat, 11 Nov 2006 19:10:03 +0100 Arjan van de Ven wrote: > > > Kernel started with noapic option, cause it hands on load without this option. > > > > Him and a million other people. I know we broke APIC. Around 2.6.9, I > > think. > > > is that when the "enable apic even on UP so that distro kernels can > install on the ibm x44*" patches went in? > I don't know. In fact I forget how I worked out that it worsened in 2.6.early. google(noapic) gets 232,000 hits. I don't think it really matters when or why it happened. If we take the approach of fixing one machine at a time, we'll only need to fix a few individual machines to improve the situation for a lot of people. - 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/