Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756051AbXIOSbA (ORCPT ); Sat, 15 Sep 2007 14:31:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752505AbXIOSaw (ORCPT ); Sat, 15 Sep 2007 14:30:52 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:49300 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753101AbXIOSav (ORCPT ); Sat, 15 Sep 2007 14:30:51 -0400 From: "Rafael J. Wysocki" To: Andrew Morton Subject: Re: Why do so many machines need "noapic"? Date: Sat, 15 Sep 2007 20:42:48 +0200 User-Agent: KMail/1.9.5 Cc: Andi Kleen , Chuck Ebbert , linux-kernel References: <46DF3BFF.9000809@redhat.com> <20070915003906.5fa6dc0f.akpm@linux-foundation.org> In-Reply-To: <20070915003906.5fa6dc0f.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200709152042.48901.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1638 Lines: 29 On Saturday, 15 September 2007 09:39, Andrew Morton wrote: > On 06 Sep 2007 13:31:50 +0200 Andi Kleen wrote: > > > Chuck Ebbert writes: > > > > > Some systems lock up without the noapic option. > > > > Please find patterns: cpu type, chipsets, mainboard vendors etc. > > There are 48 bugs in bugzilla which mention "noapic" > > http://bugzilla.kernel.org/buglist.cgi?query_format=advanced&short_desc_type=allwordssubstr&short_desc=&long_desc_type=substring&long_desc=noapic&kernel_version_type=allwordssubstr&kernel_version=&bug_status=NEW&bug_status=REOPENED&bug_status=ASSIGNED&emailassigned_to1=1&emailtype1=substring&email1=&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailtype2=substring&email2=&bugidtype=include&bug_id=&chfieldfrom=&chfieldto=Now&chfieldvalue=®ression=both&cmdtype=doit&order=Reuse+same+sort+as+last+time&field0-0-0=noop&type0-0-0=noop&value0-0-0= > > And there are 173,000 on the internet ;) > http://www.google.com/search?hl=en&q=linux+noapic&btnG=Google+Search > > We screwed this pooch a long time ago - years. Perhaps if some of the many > noapic users could run a bisection search to work out when it broke we > could start fixing things. But they all have a workaround so there's no > motivation. Well, I think it broke soon after 2.6.9. Please see http://bugzilla.kernel.org/show_bug.cgi?id=3639#c10 - 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/