Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1168219AbcKAJIE (ORCPT ); Tue, 1 Nov 2016 05:08:04 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:38899 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1168171AbcKAJIC (ORCPT ); Tue, 1 Nov 2016 05:08:02 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="12551128" Subject: Re: [x86/acpi] 04c197c080: BUG: unable to handle kernel paging request at 0000003000000010 To: kernel test robot References: <57fc4b37.qTCeqeyF4oewr6Ub%xiaolong.ye@intel.com> CC: , , , , , , , From: Dou Liyang Message-ID: Date: Tue, 1 Nov 2016 17:07:52 +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: <57fc4b37.qTCeqeyF4oewr6Ub%xiaolong.ye@intel.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.167.226.106] X-yoursite-MailScanner-ID: 7DEE547A8602.ACB03 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: 5867 Lines: 116 Hi xiaolong, Sorry for the late reply. I think I should need to explain for this. Firstly, please ignore this bug. Because, this patch has be discarded. The work of this patch has already in the upstream(f3bf1dbe64). Secondly, I think the cause of the bug is: I use the "-EINVAL" incorrectly. Thanks, Dou. This patch is repeated with him At 10/11/2016 10:15 AM, kernel test robot wrote: > FYI, we noticed the following commit: > > https://github.com/0day-ci/linux Dou-Liyang/Fix-the-local-APIC-id-validation-in-case-of-0xff/20161008-154907 > commit 04c197c080f2ed7a022f79701455c6837f4b9573 ("x86/acpi: Fix the local APIC id validation in case of 0xff") > > in testcase: will-it-scale > with following parameters: > > test: unlink2 > cpufreq_governor: performance > > > Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two. > > > on test machine: 72 threads Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz with 128G memory > > caused below changes: > > > +-------------------------------------------------------+------------+------------+ > | | 1e1a4b0f54 | 04c197c080 | > +-------------------------------------------------------+------------+------------+ > | boot_successes | 2 | 4 | > | boot_failures | 0 | 7 | > | BUG:unable_to_handle_kernel | 0 | 3 | > | Oops | 0 | 3 | > | RIP:check_timer | 0 | 3 | > | calltrace:native_smp_prepare_cpus | 0 | 3 | > | Kernel_panic-not_syncing:Fatal_exception | 0 | 3 | > | PANIC:double_fault | 0 | 2 | > | Bad_pagetable | 0 | 1 | > | RIP:copy_user_enhanced_fast_string | 0 | 1 | > | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 1 | > | Kernel_panic-not_syncing:Machine_halted | 0 | 1 | > | RIP:vgacon_scroll | 0 | 1 | > | invoked_oom-killer:gfp_mask=0x | 0 | 4 | > | Mem-Info | 0 | 4 | > +-------------------------------------------------------+------------+------------+ > > > > [ 0.492621] ..MP-BIOS bug: 8254 timer not connected to IO-APIC > [ 0.499130] ...trying to set up timer (IRQ0) through the 8259A ... > [ 0.506027] ..... (found apic 2 pin 0) ... > [ 0.510601] BUG: unable to handle kernel paging request at 0000003000000010 > [ 0.518391] IP: [] check_timer+0x21d/0x61e > [ 0.524722] PGD 0 > [ 0.526974] Oops: 0000 [#1] SMP > [ 0.530477] Modules linked in: > [ 0.533901] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-00989-g04c197c #1 > [ 0.541865] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS SE5C610.86B.01.01.0008.021120151325 02/11/2015 > [ 0.553521] task: ffff882023b00000 task.stack: ffffc9000c468000 > [ 0.560129] RIP: 0010:[] [] check_timer+0x21d/0x61e > [ 0.569170] RSP: 0000:ffffc9000c46bd90 EFLAGS: 00010082 > [ 0.575095] RAX: 0000003000000000 RBX: 0000000000000000 RCX: ffffffff81e5cb48 > [ 0.583058] RDX: 0000000000000001 RSI: 0000000000000046 RDI: 0000000000000046 > [ 0.591031] RBP: ffffc9000c46be08 R08: 0000000000000000 R09: 0000000000000000 > [ 0.598994] R10: 0000000000000040 R11: 0000000000000208 R12: 0000000000000002 > [ 0.606957] R13: 0000000000000002 R14: 0000000000000002 R15: ffff88103f00ae20 > [ 0.614927] FS: 0000000000000000(0000) GS:ffff88103f400000(0000) knlGS:0000000000000000 > [ 0.623958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 0.630368] CR2: 0000003000000010 CR3: 000000207ee06000 CR4: 00000000001406f0 > [ 0.638331] Stack: > [ 0.640574] 0000000000000000 0000000000000246 ffffffff00000000 ffff88103f002080 > [ 0.648870] ffff88103f002080 0000000000000017 0000000000000001 ffffc9000c46bdd8 > [ 0.657165] ffffffff8145869d ffffc9000c46bde8 0000000000000718 0000000000000001 > [ 0.665459] Call Trace: > [ 0.668193] [] ? radix_tree_lookup+0xd/0x10 > [ 0.674710] [] setup_IO_APIC+0x17d/0x1c5 > [ 0.680937] [] apic_bsp_setup+0xa1/0xac > [ 0.687059] [] native_smp_prepare_cpus+0x297/0x317 > [ 0.694259] [] kernel_init_freeable+0xcf/0x225 > [ 0.701072] [] ? rest_init+0x90/0x90 > [ 0.706911] [] kernel_init+0xe/0x100 > [ 0.712744] [] ret_from_fork+0x25/0x30 > [ 0.718776] Code: ff 48 c7 c7 50 6d c9 81 e8 31 54 17 ff 89 da 44 89 ee 48 c7 c7 90 6d c9 81 e8 20 54 17 ff 48 8b 45 a8 48 8b 00 48 39 45 a8 74 1a <44> 39 70 10 75 0f 44 39 60 14 75 09 44 89 68 10 89 58 14 eb 26 > [ 0.740436] RIP [] check_timer+0x21d/0x61e > [ 0.746858] RSP > [ 0.750749] CR2: 0000003000000010 > [ 0.754461] ---[ end trace 3618134a8804dce5 ]--- > [ 0.759620] Kernel panic - not syncing: Fatal exception > > > To reproduce: > > git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git > cd lkp-tests > bin/lkp install job.yaml # job file is attached in this email > bin/lkp run job.yaml > > > > Thanks, > Kernel Test Robot > >