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=-7.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 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 34EF2C17440 for ; Tue, 12 Nov 2019 08:40:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 01DB821E6F for ; Tue, 12 Nov 2019 08:40:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=themaw.net header.i=@themaw.net header.b="jLrpEgHM"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="aRzBUiI/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725775AbfKLIkp (ORCPT ); Tue, 12 Nov 2019 03:40:45 -0500 Received: from wout4-smtp.messagingengine.com ([64.147.123.20]:42639 "EHLO wout4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727065AbfKLIkp (ORCPT ); Tue, 12 Nov 2019 03:40:45 -0500 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id ADE29583; Tue, 12 Nov 2019 03:40:43 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Tue, 12 Nov 2019 03:40:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=themaw.net; h= message-id:subject:from:to:cc:date:in-reply-to:references :content-type:mime-version:content-transfer-encoding; s=fm1; bh= 0sw6NGVNSkMgugQB3SyMJOPI1XuB+MQ57NtIWRdvmh0=; b=jLrpEgHMQDJmqgEO Iw7m1guQw8IEJ/GXEaJwspOhlyGN75yT8mZ2wc5X1spVZVpbEP7HcmqbZgMghO6a OVOe58dj2oql5KphHK0/xOJmpN5uzsjkEUc7m6C3OvhILzxmwmI8uL/h/Vrm7fvi gC75BYrNEQ3iZMA8e061LulRMHHgxl9rxYvdQzBqoMsXFSvOlnPlcWmZTHbJtDDj lVKE7VlFBcrNFSgknOVlhe1GCe0w3tqEIgaCg+rvx6rBPBtSjwFZewrjSO0WdKzt mdTBtK0kO5TtMgaZimq8hidz4tpoMSglYKj2GHK7qqSA1zheiun9Hu3TUVL65zR1 bSOJWQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=0sw6NGVNSkMgugQB3SyMJOPI1XuB+MQ57NtIWRdvm h0=; b=aRzBUiI/tA+Qob4M+kxeus2lVPy6N/ryKIpMx00lID4e+taSOAOQoPrac xn/7pFvWcASA85EFLczzaTQeQKzXbDz4NXVX9uWWATex9o/bB2zGCqYeT1+GiLYS BoFx61gdI0iGRak8oQd5n+1pXGaoHmu/Jg6nn+fWclEqxDYKtNDuztM4JTL66Jno qudNJyjEQE2WvPPptVzuLmmzGgMkldfaSRjUBnNTpIPQ6ElDbcxNo6ybt+VDIrlk 2/jWWsrYrUpE7VoAuPG/TzqqNgaQrwZz5VsHkbIVoBWGweo81gMfK42CUzLcDwBw o9c9XPpPTPcS0vdYIBpnGVtZ8KU5g== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedufedruddvkedgieejucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne goufhushhpvggtthffohhmrghinhculdegledmnecujfgurhepkffuhffvffgjfhgtofgg gfesthejredtredtjeenucfhrhhomhepkfgrnhcumfgvnhhtuceorhgrvhgvnhesthhhvg hmrgifrdhnvghtqeenucffohhmrghinhepkhgvrhhnvghlrdhorhhgpdhkmhhsghdruggv vhdpghhithhhuhgsrdhiohdpghhithhhuhgsrdgtohhmnecukfhppeduudekrddvtdekrd dukeelrddukeenucfrrghrrghmpehmrghilhhfrhhomheprhgrvhgvnhesthhhvghmrgif rdhnvghtnecuvehluhhsthgvrhfuihiivgeptd X-ME-Proxy: Received: from centos8 (unknown [118.208.189.18]) by mail.messagingengine.com (Postfix) with ESMTPA id 65ECF3060060; Tue, 12 Nov 2019 03:40:39 -0500 (EST) Message-ID: <3fb8b1b04dd7808b45caf5262ee629c09c71e0b6.camel@themaw.net> Subject: Re: [xfs] 73e5fff98b: kmsg.dev/zero:Can't_open_blockdev From: Ian Kent To: kernel test robot Cc: "Darrick J. Wong" , Christoph Hellwig , LKML , linux-xfs@vger.kernel.org, lkp@lists.01.org, ltp@lists.linux.it Date: Tue, 12 Nov 2019 16:39:50 +0800 In-Reply-To: <20191111010022.GH29418@shao2-debian> References: <20191111010022.GH29418@shao2-debian> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5 (3.28.5-6.el8) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On Mon, 2019-11-11 at 09:00 +0800, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-7): > > commit: 73e5fff98b6446de1490a8d7809121b0108d49f4 ("xfs: switch to use > the new mount-api") > https://git.kernel.org/cgit/fs/xfs/xfs-linux.git xfs-5.5-merge > > in testcase: ltp > with following parameters: > > disk: 1HDD > fs: xfs > test: fs-03 > > 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 8G > > caused below changes (please refer to attached dmesg/kmsg for entire > log/backtrace): > > > > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > > [ 135.976643] LTP: starting fs_fill > [ 135.993912] /dev/zero: Can't open blockdev I've looked at the github source but I don't see how to find out what command was used when this error occurred so I don't know even how to start to work out what might have caused this. Can you help me to find the test script source please. > [ 136.020327] raid6: sse2x4 gen() 14769 MB/s > [ 136.037281] raid6: sse2x4 xor() 8927 MB/s > [ 136.054236] raid6: sse2x2 gen() 12445 MB/s > [ 136.071397] raid6: sse2x2 xor() 7441 MB/s > [ 136.089313] raid6: sse2x1 gen() 10089 MB/s > [ 136.107334] raid6: sse2x1 xor() 7201 MB/s > [ 136.108198] raid6: using algorithm sse2x4 gen() 14769 MB/s > [ 136.109320] raid6: .... xor() 8927 MB/s, rmw enabled > [ 136.111966] raid6: using ssse3x2 recovery algorithm > [ 136.122740] xor: automatically using best checksumming > function avx > [ 136.187956] Btrfs loaded, crc32c=crc32c-intel > [ 136.216946] fuse: init (API version 7.31) > [ 136.327654] EXT4-fs (loop0): mounting ext2 file system using the > ext4 subsystem > [ 136.334974] EXT4-fs (loop0): mounted filesystem without journal. > Opts: (null) > [ 136.338933] Mounted ext2 file system at /tmp/ltp- > bl4kncm4Ti/g2oJfj/mntpoint supports timestamps until 2038 > (0x7fffffff) > [ 137.897422] EXT4-fs (loop0): mounting ext3 file system using the > ext4 subsystem > [ 137.908242] EXT4-fs (loop0): mounted filesystem with ordered data > mode. Opts: (null) > [ 137.910111] Mounted ext3 file system at /tmp/ltp- > bl4kncm4Ti/g2oJfj/mntpoint supports timestamps until 2038 > (0x7fffffff) > > > To reproduce: > > # build kernel > cd linux > cp config-5.4.0-rc3-00117-g73e5fff98b644 .config > make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare > modules_prepare bzImage modules > make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 INSTALL_MOD_PATH= install-dir> modules_install > cd > find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz > > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp qemu -k -m modules.cgz job-script # job- > script is attached in this email > > > > Thanks, > Rong Chen >