Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753355AbdGGDEr (ORCPT ); Thu, 6 Jul 2017 23:04:47 -0400 Received: from mga05.intel.com ([192.55.52.43]:1905 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753296AbdGGDEp (ORCPT ); Thu, 6 Jul 2017 23:04:45 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,320,1496127600"; d="scan'208";a="123616666" Date: Fri, 7 Jul 2017 11:04:15 +0800 From: Ye Xiaolong To: Dou Liyang Cc: Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, mingo@kernel.org, hpa@zytor.com, ebiederm@xmission.com, bhe@redhat.com, boris.ostrovsky@oracle.com, peterz@infradead.org, izumi.taku@jp.fujitsu.com, lkp@01.org Subject: Re: [x86/time] 03fa63cc96: ACPI_Error:Table[DMAR]is_not_invalidated_during_early_boot_stage(#/tbxface -#) Message-ID: <20170707030414.GJ5222@yexl-desktop> References: <20170706145412.GA30520@inn.lkp.intel.com> <20170707015445.GG5222@yexl-desktop> <1802eca6-9956-8287-40ea-55654bc0cba8@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1802eca6-9956-8287-40ea-55654bc0cba8@cn.fujitsu.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2164 Lines: 72 On 07/07, Dou Liyang wrote: >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? Yes, this is exactly what I meant. Thanks, Xiaolong > >Thanks, > > dou. > >>Thanks, >>Xiaolong >> >>> >>>Thanks, >>> >>> tglx >>> >> >> >> > >