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 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 575D4C43381 for ; Mon, 1 Apr 2019 15:03:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CBE220857 for ; Mon, 1 Apr 2019 15:03:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728678AbfDAPDN (ORCPT ); Mon, 1 Apr 2019 11:03:13 -0400 Received: from mga17.intel.com ([192.55.52.151]:9558 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728565AbfDAPDN (ORCPT ); Mon, 1 Apr 2019 11:03:13 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Apr 2019 08:02:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,297,1549958400"; d="scan'208";a="160309258" Received: from rongch2-mobl.ccr.corp.intel.com (HELO [10.249.171.234]) ([10.249.171.234]) by fmsmga001.fm.intel.com with ESMTP; 01 Apr 2019 08:02:38 -0700 Subject: Re: [btrfs] 70d28b0e4f: BUG:kernel_reboot-without-warning_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok To: Qu Wenruo , Nikolay Borisov Cc: lkp@01.org, Stephen Rothwell , Yoon Jungyeon , David Sterba , Johannes Thumshirn , LKML References: <20190401132427.GC9217@shao2-debian> <7a6c000e-c523-382a-d13c-790809260e4e@intel.com> <5b82b026-bdd7-f781-e661-f1afdc9cb97b@suse.de> From: "Chen, Rong A" Message-ID: <23823210-1951-0492-1755-6263ccf388fa@intel.com> Date: Mon, 1 Apr 2019 23:02:37 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 MIME-Version: 1.0 In-Reply-To: <5b82b026-bdd7-f781-e661-f1afdc9cb97b@suse.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/1/2019 10:29 PM, Qu Wenruo wrote: > > On 2019/4/1 下午10:02, Chen, Rong A wrote: >> On 4/1/2019 9:28 PM, Nikolay Borisov wrote: >>> On 1.04.19 г. 16:24 ч., kernel test robot wrote: >>>> FYI, we noticed the following commit (built with gcc-7): >>>> >>>> commit: 70d28b0e4f8ed2d38571e7b1f9bec7f321a53102 ("btrfs: >>>> tree-checker: Verify dev item") >>>> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master >>>> >>>> in testcase: trinity >>>> with following parameters: >>>> >>>>     runtime: 300s >>>> >>>> test-description: Trinity is a linux system call fuzz tester. >>>> test-url: http://codemonkey.org.uk/projects/trinity/ >>>> >>>> >>>> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp >>>> 2 -m 2G >>>> >>>> caused below changes (please refer to attached dmesg/kmsg for entire >>>> log/backtrace): >>>> >>>> >>>> +--------------------------------------------------------------------------------------------------------+------------+------------+ >>>> >>>> | >>>> | 36b9d2bc69 | 70d28b0e4f | >>>> +--------------------------------------------------------------------------------------------------------+------------+------------+ >>>> >>>> | >>>> boot_successes >>>> | 14         | 0          | >>>> | >>>> boot_failures >>>> | 2          | 14         | >>>> | >>>> IP-Config:Auto-configuration_of_network_failed >>>> | 2          |            | >>>> | >>>> BUG:kernel_reboot-without-warning_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok >>>> | 0          | 14         | >>>> +--------------------------------------------------------------------------------------------------------+------------+------------+ >>>> >>>> >>>> >>>> >>>> early console in setup code >>>> Probing EDD (edd=off to disable)... ok >>>> BUG: kernel reboot-without-warning in early-boot stage, last printk: >>>> Probing EDD (edd=off to disable)... ok >>>> Linux version 5.0.0-rc8-00196-g70d28b0 #1 >>>> Command line: ip=::::vm-snb-quantal-x86_64-1415::dhcp root=/dev/ram0 >>>> user=lkp >>>> job=/lkp/jobs/scheduled/vm-snb-quantal-x86_64-1415/trinity-300s-quantal-core-x86_64-2018-11-09.cgz-70d28b0-20190330-29362-1y6g0qb-2.yaml >>>> ARCH=x86_64 kconfig=x86_64-randconfig-s5-03231928 >>>> branch=linux-devel/devel-hourly-2019032317 >>>> commit=70d28b0e4f8ed2d38571e7b1f9bec7f321a53102 >>>> BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s5-03231928/gcc-7/70d28b0e4f8ed2d38571e7b1f9bec7f321a53102/vmlinuz-5.0.0-rc8-00196-g70d28b0 >>>> max_uptime=1500 >>>> RESULT_ROOT=/result/trinity/300s/vm-snb-quantal-x86_64/quantal-core-x86_64-2018-11-09.cgz/x86_64-randconfig-s5-03231928/gcc-7/70d28b0e4f8ed2d38571e7b1f9bec7f321a53102/8 >>>> LKP_SERVER=inn debug apic=debug sysrq_always_enabled >>>> rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on >>>> panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic >>>> load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 >>>> systemd.log_level=err ignore_loglevel console=tty0 >>>> earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw >>>> rcuperf.shutdown=0 >>>> >>> Can this report be made useful by actually including output from serial >>> console? For example possible bug-ons or whatnot? dmesg.xz just contains >>> qemu's command line + some metadata about the test and : >>> >>> "BUG: kernel reboot-without-warning in early-boot stage, last printk: >>> Probing EDD (edd=off to disable)... ok" >>> >>> At least a stack trace would have been useful. >>> >>> >> >> Hi, >> >> We usually use the tool ("bin/lkp qemu -k job-script") to >> reproduce it.  It seems no stack trace in the result: > So there is no regression at that commit right? > > Just some false alert? Hi, I think there's a regression, it stopped in the early-boot stage . Best Regards, Rong Chen > Thanks, > Qu > >> $ lkp qemu -k vmlinuz-5.0.0-rc8-00196-g70d28b0 job-script >> ... >> Formatting '/tmp/vdisk-nfs/disk-vm-snb-quantal-x86_64-1415-0', fmt=qcow2 >> size=274877906944 cluster_size=65536 lazy_refcounts=off refcount_bits=16 >> Formatting '/tmp/vdisk-nfs/disk-vm-snb-quantal-x86_64-1415-1', fmt=qcow2 >> size=274877906944 cluster_size=65536 lazy_refcounts=off refcount_bits=16 >> exec command: qemu-system-x86_64 -enable-kvm -fsdev >> local,id=test_dev,path=/home/nfs/.lkp//result/trinity/300s/vm-snb-quantal-x86_64/quantal-core-x86_64-2018-11-09.cgz/x86_64-randconfig-s5-03231928/gcc-7/70d28b0e4f8ed2d38571e7b1f9bec7f321a53102/2,security_model=none >> -device virtio-9p-pci,fsdev=test_dev,mount_tag=9p/virtfs_mount -kernel >> vmlinuz-5.0.0-rc8-00196-g70d28b0 -append root=/dev/ram0 user=lkp >> job=/lkp/jobs/scheduled/vm-snb-quantal-x86_64-1415/trinity-300s-quantal-core-x86_64-2018-11-09.cgz-70d28b0-20190330-29362-1y6g0qb-2.yaml >> ARCH=x86_64 kconfig=x86_64-randconfig-s5-03231928 >> branch=linux-devel/devel-hourly-2019032317 >> commit=70d28b0e4f8ed2d38571e7b1f9bec7f321a53102 >> BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s5-03231928/gcc-7/70d28b0e4f8ed2d38571e7b1f9bec7f321a53102/vmlinuz-5.0.0-rc8-00196-g70d28b0 >> max_uptime=1500 >> RESULT_ROOT=/result/trinity/300s/vm-snb-quantal-x86_64/quantal-core-x86_64-2018-11-09.cgz/x86_64-randconfig-s5-03231928/gcc-7/70d28b0e4f8ed2d38571e7b1f9bec7f321a53102/8 >> LKP_LOCAL_RUN=1 debug apic=debug sysrq_always_enabled >> rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on >> panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 >> prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err >> ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 >> console=ttyS0,115200 vga=normal rw ip=dhcp >> result_service=9p/virtfs_mount -initrd /home/nfs/.lkp/cache/final_initrd >> -smp 2 -m 2048M -no-reboot -watchdog i6300esb -rtc base=localtime >> -device e1000,netdev=net0 -netdev user,id=net0 -display none -monitor >> null -serial stdio -drive >> file=/tmp/vdisk-nfs/disk-vm-snb-quantal-x86_64-1415-0,media=disk,if=virtio >> -drive >> file=/tmp/vdisk-nfs/disk-vm-snb-quantal-x86_64-1415-1,media=disk,if=virtio >> early console in setup code >> Probing EDD (edd=off to disable)... ok >> >> Best Regards, >> Rong Chen >> >>