From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7538013872453893098==" MIME-Version: 1.0 From: Ye Xiaolong To: lkp@lists.01.org Subject: Re: [lkp-robot] [x86/entry/64/compat] 8bb2610bc4: kernel_selftests.x86.test_syscall_vdso_32.fail Date: Thu, 05 Jul 2018 08:39:10 +0800 Message-ID: <20180705003910.GD10005@yexl-desktop> In-Reply-To: List-Id: --===============7538013872453893098== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 07/04, Linus Torvalds wrote: >On Tue, Jul 3, 2018 at 11:58 PM kernel test robot wrote: >> >> FYI, we noticed the following commit (built with gcc-7): >> >> commit: 8bb2610bc4967f19672444a7b0407367f1540028 ("x86/entry/64/compat: = Preserve r8-r11 in int $0x80") >> [...] >> caused below changes (please refer to attached dmesg/kmsg for entire log= /backtrace): > >So that commit is expected to fix things, but it also *enabled* the >selftests to warn about the change. > >Did you run the new selftest on an old kernel? > >It looks that way, because you talk about running the selftests for >commit 8bb2610bc496 (which is 4.17-rc2+), but the dmesg you include is >some ancient version" > > Linux version 4.12.0-10998-g6974f0c Just double checked the attached dmesg, the version seems correct, did you check the right one? [ 0.000000] Linux version 4.17.0-rc2-00006-g8bb2610 (kbuild(a)cairo) (gc= c version 7.3.0 (Debian 7.3.0-16)) #1 SMP Thu Jun 7 15:10:14 CST 2018 = Thanks, Xiaolong > >Hmm. Some of those self-tests are very much expected to break on old kerne= ls. > > Linus --===============7538013872453893098==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77D43C3279B for ; Thu, 5 Jul 2018 00:43:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3118D2401C for ; Thu, 5 Jul 2018 00:43:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3118D2401C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753029AbeGEAm6 (ORCPT ); Wed, 4 Jul 2018 20:42:58 -0400 Received: from mga17.intel.com ([192.55.52.151]:30057 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752899AbeGEAm5 (ORCPT ); Wed, 4 Jul 2018 20:42:57 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Jul 2018 17:42:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,309,1526367600"; d="scan'208";a="54503962" Received: from yexl-desktop.sh.intel.com (HELO localhost) ([10.239.159.124]) by orsmga008.jf.intel.com with ESMTP; 04 Jul 2018 17:42:55 -0700 Date: Thu, 5 Jul 2018 08:39:10 +0800 From: Ye Xiaolong To: Linus Torvalds Cc: Andrew Lutomirski , Thomas Gleixner , Denys Vlasenko , Borislav Petkov , Dominik Brodowski , Linux Kernel Mailing List , LKP Subject: Re: [lkp-robot] [x86/entry/64/compat] 8bb2610bc4: kernel_selftests.x86.test_syscall_vdso_32.fail Message-ID: <20180705003910.GD10005@yexl-desktop> References: <20180704065414.GD23907@yexl-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/04, Linus Torvalds wrote: >On Tue, Jul 3, 2018 at 11:58 PM kernel test robot wrote: >> >> FYI, we noticed the following commit (built with gcc-7): >> >> commit: 8bb2610bc4967f19672444a7b0407367f1540028 ("x86/entry/64/compat: Preserve r8-r11 in int $0x80") >> [...] >> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > >So that commit is expected to fix things, but it also *enabled* the >selftests to warn about the change. > >Did you run the new selftest on an old kernel? > >It looks that way, because you talk about running the selftests for >commit 8bb2610bc496 (which is 4.17-rc2+), but the dmesg you include is >some ancient version" > > Linux version 4.12.0-10998-g6974f0c Just double checked the attached dmesg, the version seems correct, did you check the right one? [ 0.000000] Linux version 4.17.0-rc2-00006-g8bb2610 (kbuild@cairo) (gcc version 7.3.0 (Debian 7.3.0-16)) #1 SMP Thu Jun 7 15:10:14 CST 2018 Thanks, Xiaolong > >Hmm. Some of those self-tests are very much expected to break on old kernels. > > Linus