From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752515AbbJLSuN (ORCPT ); Mon, 12 Oct 2015 14:50:13 -0400 Received: from v094114.home.net.pl ([79.96.170.134]:61563 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751990AbbJLSuK (ORCPT ); Mon, 12 Oct 2015 14:50:10 -0400 From: "Rafael J. Wysocki" To: "Zheng, Lv" Cc: Meelis Roos , "linux-acpi@vger.kernel.org" , Linux Kernel list , Len Brown , "Moore, Robert" Subject: Re: bisected: Re: 4.3.0-rc3-00042: ACPI Warning: AcpiEnable failed Date: Mon, 12 Oct 2015 21:18:49 +0200 Message-ID: <5827210.uo0vLJMZv1@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/4.1.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <1AE640813FDE7649BE1B193DEA596E883BAC712B@SHSMSX101.ccr.corp.intel.com> References: <1AE640813FDE7649BE1B193DEA596E883BAC712B@SHSMSX101.ccr.corp.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, October 12, 2015 07:48:12 AM Zheng, Lv wrote: > Hi, Rafael Hi, > The bug has been fixed. > The root cause is the previous commit doesn't cover a hidden logic: > acpi_enable() should rely on the existence of FADT while currently it relies on the number of loaded tables. > The fix that removes the hidden logic is an ACPICA commit. > Shall we wait until it is merged via an ACPICA release cycle or make it a bit faster by merging Linuxized version first? Please send the Linuxized version of it ASAP, we need it for 4.3. Thanks, Rafael > > From: mroos@math.ut.ee [mailto:mroos@math.ut.ee] On Behalf Of Meelis Roos > > Sent: Friday, October 02, 2015 2:14 PM > > > > > > > 4.2.0 worked fine, 4.3.0-rc3-00042-g3225031 was the next one tested > > > > > after that and with this kernel, ACPI enabling fails. This is Pentium > > > > > III, 1 GHz, Intel 815 chipset, DMI tells something about "Packard Bell > > > > > NEC" as the mainboard type. > > > > > > > > > > Full dmesg and config are below. What additional information can I > > > > > provide besides bisecting (will take time)? > > > > > > > > Bisecting done, here is the culprit: > > > > > > > > 8ec3f459073e67e5c6d78507dec693064b3040a2 is the first bad commit > > > > commit 8ec3f459073e67e5c6d78507dec693064b3040a2 > > > > Author: Lv Zheng > > > > Date: Tue Aug 25 10:29:01 2015 +0800 > > > > > > > > ACPICA: Tables: Fix global table list issues by removing fixed table indexes > > > > > > > > ACPICA commit c0b38b4c3982c2336ee92a2a14716107248bd941 > > > > > > Thanks a lot for bisecting this! > > > > > > It will help if you file a bug entry at bugzilla.kernel.org agaist ACPI for > > > this issue (please mark it as a regression) and attach the output of acpidump > > > from the affected system to it. > > > > Done, https://bugzilla.kernel.org/show_bug.cgi?id=105351 > > > > -- > > Meelis Roos (mroos@linux.ee) > -- > 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/ -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.