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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED 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 55AD7C43387 for ; Wed, 19 Dec 2018 09:54:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28967218A6 for ; Wed, 19 Dec 2018 09:54:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728573AbeLSJyN (ORCPT ); Wed, 19 Dec 2018 04:54:13 -0500 Received: from mga05.intel.com ([192.55.52.43]:28952 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728532AbeLSJyM (ORCPT ); Wed, 19 Dec 2018 04:54:12 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Dec 2018 01:54:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,372,1539673200"; d="scan'208";a="305046576" Received: from shao2-debian.sh.intel.com (HELO [10.239.13.6]) ([10.239.13.6]) by fmsmga005.fm.intel.com with ESMTP; 19 Dec 2018 01:54:11 -0800 Subject: Re: [LKP] [xarray] 4e99d4e957: BUG:soft_lockup-CPU##stuck_for#s To: Matthew Wilcox Cc: LKML , Linus Torvalds , lkp@01.org References: <20181211095441.GR23332@shao2-debian> <20181211142947.GC6830@bombadil.infradead.org> From: Rong Chen Message-ID: Date: Wed, 19 Dec 2018 17:54:24 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <20181211142947.GC6830@bombadil.infradead.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/11/2018 10:29 PM, Matthew Wilcox wrote: > On Tue, Dec 11, 2018 at 05:54:41PM +0800, kernel test robot wrote: >> # To reproduce, >> # 1) save job-script and this script (both are attached in 0day report email) >> # 2) run this script with your compiled kernel and optional env $INSTALL_MOD_PATH >> >> kernel=$1 >> >> initrds=( >> /osimage/yocto/yocto-tiny-i386-2016-04-22.cgz >> /lkp/lkp/lkp-i386.cgz >> /osimage/deps/debian-x86_64-2016-08-31.cgz/run-ipconfig.i386_2016-09-03.cgz >> ) >> >> HTTP_PREFIX=https://download.01.org/0day-ci/lkp-qemu >> wget --timestamping "${initrds[@]/#/$HTTP_PREFIX}" >> >> { >> cat "${initrds[@]//*\//}" >> [[ $INSTALL_MOD_PATH ]] && ( >> cd "$INSTALL_MOD_PATH" >> >> >> To reproduce: >> >> git clone https://github.com/intel/lkp-tests.git >> cd lkp-tests >> bin/lkp qemu -k job-script # job-script is attached in this email > When I do this, the only output I get is: > > make: Entering directory '/home/willy/kernel/lkp-tests/bin/event' > gcc -c -o wakeup.o wakeup.c > gcc -static -o wakeup wakeup.o > rm -f wakeup.o > strip wakeup > make: Leaving directory '/home/willy/kernel/lkp-tests/bin/event' > > Running under sh -x, I get as far as: > > + exec /home/willy/kernel/lkp-tests/lkp-exec/qemu -k ../idrext/.build-yocto/arch/x86/boot/bzImage job-script > > Editing that script to set -x, I get to: > > + /home/willy/kernel/lkp-tests/sbin/pack -f -a x86_64 lkp-src > make: Entering directory '/home/willy/kernel/lkp-tests/bin/event' > gcc -c -o wakeup.o wakeup.c > gcc -static -o wakeup wakeup.o > rm -f wakeup.o > strip wakeup > make: Leaving directory '/home/willy/kernel/lkp-tests/bin/event' > + exit > > which would seem to indicate your 'pack' command failed with a non-zero > exit code? Adding set -x to _that_ script gives me: > > + find . -type d -exec chmod g+rwx '{}' ';' > + chmod -R g+rw etc lib root usr > + '[' -d /osimage/addon-x86_64 ']' > + gzip -n -9 /home/willy/.lkp/cache/lkp-x86_64.cpio > + mv -f /home/willy/.lkp/cache/lkp-x86_64.cpio.gz /home/willy/.lkp/cache/lkp-x86_64.cgz > + [[ -n '' ]] > + [[ -n '' ]] > + exit > > I'm using your top-of-tree lkp-tests, commit > e28c726dfe85e3e595ba4776a4eb92f2559d3ac0 > > By the way, I took this kernel config and ran it under one of your other > test cases (the one which runs Trinity) and didn't see a boot problem, > so either it's something specific to this setup, or the problem got > fixed between this commit and current top-of-tree. Please accept my apologies for taking your time, the reproduce tool was broken for a long time, and it's fixed now. if it can't be reproduced, here is the original bzImage(https://download.01.org/0day-ci/lkp-qemu/fbc/4e99d4e9579d3b950bf4b38d0d64eb1b9be78761/). Best Regards, Rong Chen