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=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 83AFEC4360F for ; Wed, 3 Apr 2019 07:09:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 543D121473 for ; Wed, 3 Apr 2019 07:09:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726882AbfDCHJd (ORCPT ); Wed, 3 Apr 2019 03:09:33 -0400 Received: from outbound-smtp06.blacknight.com ([81.17.249.39]:60337 "EHLO outbound-smtp06.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725936AbfDCHJd (ORCPT ); Wed, 3 Apr 2019 03:09:33 -0400 Received: from mail.blacknight.com (pemlinmail05.blacknight.ie [81.17.254.26]) by outbound-smtp06.blacknight.com (Postfix) with ESMTPS id 8D0B698B8E for ; Wed, 3 Apr 2019 07:09:31 +0000 (UTC) Received: (qmail 1660 invoked from network); 3 Apr 2019 07:09:31 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[37.228.225.79]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 3 Apr 2019 07:09:31 -0000 Date: Wed, 3 Apr 2019 08:09:29 +0100 From: Mel Gorman To: kernel test robot Cc: Linus Torvalds , Qian Cai , Vlastimil Babka , Andrea Arcangeli , Dan Carpenter , David Rientjes , YueHaibing , Andrew Morton , LKML , lkp@01.org, ltp@lists.linux.it Subject: Re: [mm, compaction] e332f741a8: BUG:unable_to_handle_kernel Message-ID: <20190403070929.GR3189@techsingularity.net> References: <20190403064200.GI20952@shao2-debian> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20190403064200.GI20952@shao2-debian> 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 Wed, Apr 03, 2019 at 02:42:00PM +0800, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-7): > > commit: e332f741a8dd1ec9a6dc8aa997296ecbfe64323e ("mm, compaction: be selective about what pageblocks to clear skip hints") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: ltp > with following parameters: > > disk: 1HDD > fs: xfs > test: syscalls_part4 > > test-description: The LTP testsuite contains a collection of tools for testing the Linux kernel and related features. > test-url: http://linux-test-project.github.io/ > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 4G > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > There are fixes queued in Andrew's tree that should cover this. -- Mel Gorman SUSE Labs