From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: linux-next: Tree for June 13: IO APIC breakage on HP nx6325 Date: Wed, 18 Jun 2008 15:14:09 +0200 Message-ID: <20080618131409.GC11501@elte.hu> References: <20080613232214.394fd6fd.sfr@canb.auug.org.au> <200806172244.24026.rjw@sisk.pl> <200806180019.49628.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mx2.mail.elte.hu ([157.181.151.9]:39665 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753425AbYFRNOo (ORCPT ); Wed, 18 Jun 2008 09:14:44 -0400 Content-Disposition: inline In-Reply-To: <200806180019.49628.rjw@sisk.pl> Sender: linux-next-owner@vger.kernel.org List-ID: To: "Rafael J. Wysocki" Cc: Thomas Gleixner , "Maciej W. Rozycki" , Stephen Rothwell , linux-next@vger.kernel.org, LKML , ACPI Devel Maling List , Len Brown * Rafael J. Wysocki wrote: > > Thanks, it eliminates the WARNING, but still the box doesn't work > > with the "x86: add C1E aware idle function" patch applied, even with > > 'highres=off'. > > > > The main symptom is that CPU loads are computed incorrectly (I got X > > using 126% of CPU time from 'top', for example). Apart from this, > > some processes (like gkrellm) seem to be 'frozen' and only change > > their state in 'jumps', as though they only got CPU from time to > > time at random. > > > > Reverting the above-mentioned patch fixes those problems. > > Ah. If your fix is replaced with the appended one, the system happily > works with C1E and highres. very nice! I have applied your fix to tip/x86/cpu. does this resolve all problems on your box, or is the IO-APIC problem still open? Ingo