linux-kernel - [btrfs] 70d28b0e4f: BUG:kernel_reboot-without-warning_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to

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Message-ID: <20190401132427.GC9217@shao2-debian>
Date:   Mon, 1 Apr 2019 21:24:27 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Qu Wenruo <wqu@...e.com>
Cc:     David Sterba <dsterba@...e.com>,
        Yoon Jungyeon <jungyeon@...ech.edu>,
        Nikolay Borisov <nborisov@...e.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: [btrfs] 70d28b0e4f:
 BUG:kernel_reboot-without-warning_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok

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

Elapsed time: 10

To reproduce:

        # build kernel
	cd linux
	cp config-5.0.0-rc8-00196-g70d28b0 .config
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 prepare
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 modules_prepare
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 SHELL=/bin/bash
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 bzImage

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email

Thanks,
lkp

View attachment "config-5.0.0-rc8-00196-g70d28b0" of type "text/plain" (126058 bytes)

View attachment "job-script" of type "text/plain" (4286 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (1184 bytes)