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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 09304C433DF for ; Tue, 16 Jun 2020 12:25:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB81720FC3 for ; Tue, 16 Jun 2020 12:25:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728900AbgFPMZM (ORCPT ); Tue, 16 Jun 2020 08:25:12 -0400 Received: from mga04.intel.com ([192.55.52.120]:7700 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725901AbgFPMZM (ORCPT ); Tue, 16 Jun 2020 08:25:12 -0400 IronPort-SDR: +W2YBVb6ABaB5AD70t65jubEUjv7D3hWOg6HXX7F7PJEwZvjAeae9B56QibNNKwwdRuFXnotI1 WN+exJfBjhYQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2020 05:25:11 -0700 IronPort-SDR: 1bnQa6Z+nx5XOwk5MnWgETija5ju7Fp+hma9kfl2w+TDxXx95LW9d6xXMsLUpbhdFU57t3uwr/ QXMrUFRb4DOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,518,1583222400"; d="scan'208";a="476444896" Received: from shao2-debian.sh.intel.com (HELO localhost) ([10.239.13.3]) by fmsmga005.fm.intel.com with ESMTP; 16 Jun 2020 05:25:10 -0700 Date: Tue, 16 Jun 2020 20:24:52 +0800 From: Rong Chen To: Thomas Gleixner Cc: Alexandre Chartre , Peter Zijlstra , Andy Lutomirski , LKML , lkp@lists.01.org, ltp@lists.linux.it Subject: Re: [LKP] Re: [x86/entry] 2bbc68f837: ltp.ptrace08.fail Message-ID: <20200616122451.GQ5653@shao2-debian> References: <20200616075533.GL5653@shao2-debian> <87y2onbdtb.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <87y2onbdtb.fsf@nanos.tec.linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 16, 2020 at 10:44:00AM +0200, Thomas Gleixner wrote: > kernel test robot writes: > > FYI, we noticed the following commit (built with gcc-9): > > > > commit: 2bbc68f8373c0631ebf137f376fbea00e8086be7 ("x86/entry: Convert Debug exception to IDTENTRY_DB") > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > Is the head of linux.git exposing the same problem or is this an > intermittent failure, which only affects bisectability? > Hi Thomas, The problem still exists in v5.8-rc1: 9f58fdde95c9509a 2bbc68f8373c0631ebf137f376 v5.8-rc1 testcase/testparams/testbox ---------------- -------------------------- -------------------------- --------------------------- fail:runs %reproduction fail:runs %reproduction fail:runs | | | | | :12 92% 11:12 100% 13:13 ltp/1HDD-xfs-syscalls_part4/vm-snb :12 92% 11:12 100% 13:13 TOTAL ltp.ptrace08.fail Best Regards, Rong Chen