From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754862AbeCSAlQ (ORCPT ); Sun, 18 Mar 2018 20:41:16 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:63654 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754646AbeCSAlO (ORCPT ); Sun, 18 Mar 2018 20:41:14 -0400 X-IronPort-AV: E=Sophos;i="5.43,368,1503331200"; d="scan'208";a="37918255" Subject: Re: [ACPI / processor] d619c81e24: WARNING:at_include/linux/cpumask.h:#cpumask_test_cpu To: kernel test robot CC: , , , , , , , , References: <20180316111752.qi3u42mag367vx46@inn> From: Dou Liyang Message-ID: <6212a66a-e301-4f9f-d435-34063da9df4f@cn.fujitsu.com> Date: Mon, 19 Mar 2018 08:41:11 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: <20180316111752.qi3u42mag367vx46@inn> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.167.226.106] X-yoursite-MailScanner-ID: 99BF54D0EFF9.ACF5B 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 Hi lkp team Thank you for testing. At 03/16/2018 07:17 PM, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-7): > > commit: d619c81e246424e322f7a902bed6e60b90668d56 ("ACPI / processor: Get accurate possible CPU count") > url: https://github.com/0day-ci/linux/commits/Dou-Liyang/ACPI-processor-Get-accurate-possible-CPU-count/20180316-140349 > > > in testcase: boot > > on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 1G > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > > > +------------------------------------------------------+------------+------------+ > | | 3266b5bd97 | d619c81e24 | > +------------------------------------------------------+------------+------------+ > | boot_successes | 16 | 2 | > | boot_failures | 0 | 18 | > | WARNING:at_include/linux/cpumask.h:#cpumask_test_cpu | 0 | 18 | > | WARNING:at_include/linux/cpumask.h:#cpumask_check | 0 | 18 | > | RIP:cpumask_check | 0 | 18 | > | RIP:cpumask_test_cpu | 0 | 18 | > | general_protection_fault:#[##] | 0 | 13 | > | RIP:__lock_acquire | 0 | 13 | > | Kernel_panic-not_syncing:Fatal_exception | 0 | 13 | > | BUG:kernel_hang_in_boot_stage | 0 | 5 | > +------------------------------------------------------+------------+------------+ > > > > [ 0.830741] WARNING: CPU: 1 PID: 1 at include/linux/cpumask.h:122 cpumask_test_cpu+0x32/0x57 > [ 0.830785] WARNING: CPU: 1 PID: 1 at include/linux/cpumask.h:122 cpumask_check+0x2d/0x48 Yes, this patch broke the number of CPUs, we will find out a new way, please drop the test work of this patch. Thanks, dou