Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757810AbYFNI0y (ORCPT ); Sat, 14 Jun 2008 04:26:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753683AbYFNI0o (ORCPT ); Sat, 14 Jun 2008 04:26:44 -0400 Received: from rv-out-0506.google.com ([209.85.198.237]:11869 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753625AbYFNI0l (ORCPT ); Sat, 14 Jun 2008 04:26:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:references; b=H6lO95AF85vOxTMQRVpsmSxqN7pRJGa9J7A/SeIyyERkYYYaLE4kAIGsq3NII3z3rl Kvx0v+NhmOIAZhqRUs4Ow20D8ZcFfVkwjH1D+IsxoKALx36ciJerKMN36GJawuflLrqB EVnfP1jU1QsXnlqEFezFo5H1aHIusDea1SztU= Message-ID: <86802c440806140126l7a949783of0fb08d11ae07bef@mail.gmail.com> Date: Sat, 14 Jun 2008 01:26:41 -0700 From: "Yinghai Lu" To: "Alexey Starikovskiy" Subject: Re: linux-next Regression: Unable to locate IOAPIC Cc: webmaster@dragonslave.de, "Andrew Morton" , linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, linux-acpi@vger.kernel.org, "Ingo Molnar" In-Reply-To: <48536E3B.4000703@gmail.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_8656_28695158.1213432001317" References: <200806051100.12885.dex@dragonslave.de> <200806102229.10512.dex@dragonslave.de> <4851AA24.7060906@gmail.com> <200806131307.39807.dex@dragonslave.de> <48536E3B.4000703@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6171 Lines: 159 ------=_Part_8656_28695158.1213432001317 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline On Sat, Jun 14, 2008 at 12:07 AM, Alexey Starikovskiy wrote: > Hi Ingo, Yinghai, > > It looks like the code introduced by > 2944e16b25e7fb8b5ee0dd9dc7197a0f9e523cfd > is causing this problem. At least it is new between -rc5 (working) and > linux-next (not working). > > Regards, > Alex. > > > Daniel Exner wrote: >> >> Hi all, >> >> Alexey Starikovskiy wrote: >> >>> >>> Hi Daniel, >>> >>> Could you please provide full dmesg and acpidump outputs? >>> >> >> I attached dmesg and config , both from working 2.6.26-rc5 with git-acpi >> patch below and from linux-next snapshot 20080604. >> I also attached acpidump that was done while using stock 2.6.25-fw5 from >> my distro. (But I think that doesnt matter, at least it shouldn't ;) >> >> >>> >>> Daniel Exner wrote: >>> >>>> >>>> Andrew Morton wrote: >>>> >>>>> >>>>> On Fri, 6 Jun 2008 19:30:28 +0200 Daniel Exner >>>>> >> >> wrote: >> >>>>>> >>>>>> Andrew Morton wrote: >>>>>> >>>>>>> >>>>>>> (cc linux-acpi) >>>>>>> >>>>>>> On Thu, 5 Jun 2008 11:00:12 +0200 Daniel Exner >>>>>>> >>>> >>>> wrote: >>>> >>>>>>>> >>>>>>>> Hi! >>>>>>>> >>>>>>>> (Added myself to CC, because I'm not subscribed) >>>>>>>> >>>>>>>> with linux-next snapshot 20080604 my Laptop morphes into sitting >>>>>>>> duck >>>>>>>> and I think this is due to this: >>>>>>>> >>>>>>> >>>>>>> I assume 2.6.26-rc5 is OK? >>>>>>> >>>>>> >>>>>> Indeed.. just tried it with (nearly) the same config: no unable to >>>>>> locate IOAPIC >>>>>> >>>>>> Will try todays next snapshot above -rc5 now. >>>>>> >>>>> >>>>> OK, thanks. >>>>> >>>>> It would be great if you could test 2.6.26-rc5 plus >>>>> http://userweb.kernel.org/~akpm/git-acpi.patch. That'll allow us to >>>>> confirm that the regression is due to changes in the acpi tree. >>>>> >>>> >>>> Sorry for the delay.. real-life you know ;) >>>> >>>> I guess you'd expect me to confirm the behavior on rc5 with this patch >>>> aplied, but .. well this Kernel works! >>>> >> >> To clarify myself: >> 2.6.25.5: --> relatively fast no IOAPIC Errors in dmesg >> 2.6.26-rc5: --> relatively no IOAPIC Errors in dmesg >> 2.6.26-rc5 + git-acpi Patch: --> relatively no IOAPIC Errors in dmesg >> 2.6.26-rc5 + linux-next snapshot 20080604 --> even slower than before my >> ide Patch many "unable to locate IOAPIC" Errors >> >> >> So I think the problem lies not in the acpi tree but somewhre else. >> >> Is it possible to tell git to explicitly _exclude_ a specific tree while >> bisecting? can you check if the attached patch fix the problem? it will not check entries before MP_intsrc_info... 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