From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756009Ab0IHVfz (ORCPT ); Wed, 8 Sep 2010 17:35:55 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:39747 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755634Ab0IHVft (ORCPT ); Wed, 8 Sep 2010 17:35:49 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=KijsBq0+xzFWq72zxAt19mFvo3yJXyYYFmpQwVQbdr+JRlXcJIw6sxdOfayGeNcKZ0 oAKSdtjAG+neQEkc4KpDjDswsvCHUOgaqjCXgmCvme9oNtFx/1zSeeTDwuut6Cjkn6X0 K7dzxOsh5ouxEbjpyFm29yowVnPiUMCVv9/ys= MIME-Version: 1.0 In-Reply-To: <87iq2gyllg.fsf@spindle.srvr.nix> References: <87zkvx2ese.fsf@spindle.srvr.nix> <20100906053255.GA23340@brouette> <87iq2gyllg.fsf@spindle.srvr.nix> Date: Wed, 8 Sep 2010 17:35:48 -0400 Message-ID: Subject: Re: 2.6.35.*: horrible (exponential? >linear) slowdown to unusability (ACPI idle?) From: John Drescher To: Nix Cc: Damien Wyart , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On 6 Sep 2010, Damien Wyart uttered the following: >> So if you can reproduce it quite easily, I guess bisection (even > > ha ha ha. I thought I could, but it's intermittent enough to make > bisection pretty much impossible, and when I gave up and rebooted back > into 2.6.35.4 the bug went away entirely. > > I don't think bisection will work with something this intermittent :/ I believe I have the same problem reported in your first post. Or at least a lot of the symptoms. http://forums.gentoo.org/viewtopic-t-842775-postdays-0-postorder-asc-start-0.html I may try bisecting the kernel if no progress is made on this front in a few weeks. I am pretty busy at the moment to do much more testing. I have already spent a few days at this. John