Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753327AbdGGCjU (ORCPT ); Thu, 6 Jul 2017 22:39:20 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:54086 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753275AbdGGCjS (ORCPT ); Thu, 6 Jul 2017 22:39:18 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="20974644" Subject: Re: [x86/time] 03fa63cc96: ACPI_Error:Table[DMAR]is_not_invalidated_during_early_boot_stage(#/tbxface -#) To: Ye Xiaolong , Thomas Gleixner References: <20170706145412.GA30520@inn.lkp.intel.com> <20170707015445.GG5222@yexl-desktop> CC: , , , , , , , , , , From: Dou Liyang Message-ID: <1802eca6-9956-8287-40ea-55654bc0cba8@cn.fujitsu.com> Date: Fri, 7 Jul 2017 10:39:10 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <20170707015445.GG5222@yexl-desktop> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.167.226.106] X-yoursite-MailScanner-ID: C12164D14A48.AADB7 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: douly.fnst@cn.fujitsu.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2043 Lines: 65 Hi xiaolong, Really thanks for your testing. At 07/07/2017 09:54 AM, Ye Xiaolong wrote: > On 07/06, Thomas Gleixner wrote: >> On Thu, 6 Jul 2017, kernel test robot wrote: >> >>> commit: 03fa63cc96ab35592e0a7d522b8edbc1e6b02d22 ("x86/time: Initialize interrupt mode behind timer init") >> >>> +----------------+------------+------------+ >>> | | 43436935b7 | 03fa63cc96 | >>> +----------------+------------+------------+ >>> | boot_successes | 0 | 4 | >>> +----------------+------------+------------+ >> >> So 03fa63cc96 makes the box boot again. I'm confused as usual by the >> output of this tool., >> >>> kern :info : [ 0.005000] tsc: Fast TSC calibration using PIT >>> kern :info : [ 0.006000] tsc: Detected 2195.020 MHz processor >>> kern :info : [ 0.007000] Calibrating delay loop (skipped), value calculated using timer frequency.. 4390.04 BogoMIPS (lpj=2195020) >>> kern :info : [ 0.008001] pid_max: default: 90112 minimum: 704 >>> kern :info : [ 0.009037] ACPI: Core revision 20170303 >>> kern :err : [ 0.010002] ACPI Error: Table [DMAR] is not invalidated during early boot stage (20170303/tbxface-193) >> >> Sure we have a error message here, but compared to what? Compared to >> something which does not boot at all? > > Sorry for the confusion, here commit 43436935b7 boot failed due to OOM which > happened at the late stage of kernel boot while the ACPI error showed at the > early boot stage for commit 03fa63cc96 and it didn't appear in 43436935b7's > dmesg. > let's make the problem clearly firstly: 1) Commit 43436935b7 ("x86/xen: Bypass intr mode setup in enlighten_pv system") made kernel boot failed, which caused by OOM. 2) Commit 03fa63cc96 ("x86/time: Initialize interrupt mode behind timer init") can make the kernel boot success again, but with an ACPI error happened. And both *1* and *2* used the same configuration showed in the attachment. Does anything I missed? Thanks, dou. > Thanks, > Xiaolong > >> >> Thanks, >> >> tglx >> > > >