[lkp-robot] [uuid] df33767d9f: kmsg.test_uuid:failed#out_of#tests

[kernel test robot]

FYI, we noticed the following commit:

commit: df33767d9fe0ca93c606cc9042df05e5045c8158 ("uuid: hoist helpers uuid_equal() and uuid_copy() from xfs")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -m 420M

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):



[   12.540000] test_uuid: cmp test #4 failed on BE data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.540000] test_uuid: cmp test #4 failed on BE data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.543655] test_uuid: cmp test #4 actual data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.543655] test_uuid: cmp test #4 actual data: 'c33f4995-3701-450e-9fbf-206a2e98e576'
[   12.547454] test_uuid: cmp test #8 failed on BE data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.547454] test_uuid: cmp test #8 failed on BE data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.551521] test_uuid: cmp test #8 actual data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.551521] test_uuid: cmp test #8 actual data: '64b4371c-77c1-48f9-8221-29f054fc023b'
[   12.555092] test_uuid: cmp test #12 failed on BE data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.555092] test_uuid: cmp test #12 failed on BE data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.559228] test_uuid: cmp test #12 actual data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.559228] test_uuid: cmp test #12 actual data: '0cb4ddff-a545-4401-9d06-688af53e7f84'
[   12.562884] test_uuid: failed 3 out of 18 tests
[   12.562884] test_uuid: failed 3 out of 18 tests




To reproduce:

        git clone https://github.com/01org/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script  # job-script is attached in this email



Thanks,
Xiaolong
#!/bin/sh

export_top_env()
{
	export suite='boot'
	export testcase='boot'
	export timeout='10m'
	export job_origin='/lkp/lkp/src/jobs/boot.yaml'
	export queue='bisect'
	export testbox='vm-lkp-nhm-dp2-yocto-ia32-8'
	export tbox_group='vm-lkp-nhm-dp2-yocto-ia32'
	export branch='linus/master'
	export commit='df33767d9fe0ca93c606cc9042df05e5045c8158'
	export kconfig='x86_64-randconfig-ne0-07170150'
	export submit_id='596c1ab60b9a93746d3ee04d'
	export job_file='/lkp/scheduled/vm-lkp-nhm-dp2-yocto-ia32-8/boot-1-yocto-tiny-i386-2016-04-22.cgz-df33767d9fe0ca93c606cc9042df05e5045c8158-20170717-29805-1dscryj-0.yaml'
	export id='1688a01d3ec35d6511538587055e9faefa220fa8'
	export model='qemu-system-x86_64 -enable-kvm'
	export nr_vm=16
	export nr_cpu=1
	export memory='420M'
	export rootfs='yocto-tiny-i386-2016-04-22.cgz'
	export need_kconfig='CONFIG_KVM_GUEST=y'
	export compiler='gcc-6'
	export enqueue_time='2017-07-17 10:02:30 +0800'
	export _id='596c1ab60b9a93746d3ee04d'
	export _rt='/result/boot/1/vm-lkp-nhm-dp2-yocto-ia32/yocto-tiny-i386-2016-04-22.cgz/x86_64-randconfig-ne0-07170150/gcc-6/df33767d9fe0ca93c606cc9042df05e5045c8158'
	export user='lkp'
	export result_root='/result/boot/1/vm-lkp-nhm-dp2-yocto-ia32/yocto-tiny-i386-2016-04-22.cgz/x86_64-randconfig-ne0-07170150/gcc-6/df33767d9fe0ca93c606cc9042df05e5045c8158/0'
	export LKP_SERVER='inn'
	export max_uptime=600
	export initrd='/osimage/yocto/yocto-tiny-i386-2016-04-22.cgz'
	export bootloader_append='root=/dev/ram0
user=lkp
job=/lkp/scheduled/vm-lkp-nhm-dp2-yocto-ia32-8/boot-1-yocto-tiny-i386-2016-04-22.cgz-df33767d9fe0ca93c606cc9042df05e5045c8158-20170717-29805-1dscryj-0.yaml
ARCH=x86_64
kconfig=x86_64-randconfig-ne0-07170150
branch=linus/master
commit=df33767d9fe0ca93c606cc9042df05e5045c8158
BOOT_IMAGE=/pkg/linux/x86_64-randconfig-ne0-07170150/gcc-6/df33767d9fe0ca93c606cc9042df05e5045c8158/vmlinuz-4.12.0-rc4-00009-gdf33767
max_uptime=600
RESULT_ROOT=/result/boot/1/vm-lkp-nhm-dp2-yocto-ia32/yocto-tiny-i386-2016-04-22.cgz/x86_64-randconfig-ne0-07170150/gcc-6/df33767d9fe0ca93c606cc9042df05e5045c8158/0
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
earlyprintk=ttyS0,115200
console=ttyS0,115200
console=tty0
vga=normal
rw'
	export lkp_initrd='/lkp/lkp/lkp-i386.cgz'
	export bm_initrd='/osimage/deps/debian-x86_64-2016-08-31.cgz/run-ipconfig.i386_2016-09-03.cgz'
	export site='inn'
	export LKP_CGI_PORT=80
	export LKP_CIFS_PORT=139
	export kernel='/pkg/linux/x86_64-randconfig-ne0-07170150/gcc-6/df33767d9fe0ca93c606cc9042df05e5045c8158/vmlinuz-4.12.0-rc4-00009-gdf33767'
	export dequeue_time='2017-07-17 10:16:36 +0800'
	export job_initrd='/lkp/scheduled/vm-lkp-nhm-dp2-yocto-ia32-8/boot-1-yocto-tiny-i386-2016-04-22.cgz-df33767d9fe0ca93c606cc9042df05e5045c8158-20170717-29805-1dscryj-0.cgz'

	[ -n "$LKP_SRC" ] ||
	export LKP_SRC=/lkp/${user:-lkp}/src
}

run_job()
{
	echo $$ > $TMP/run-job.pid

	. $LKP_SRC/lib/http.sh
	. $LKP_SRC/lib/job.sh
	. $LKP_SRC/lib/env.sh

	export_top_env

	run_monitor $LKP_SRC/monitors/one-shot/wrapper boot-slabinfo
	run_monitor $LKP_SRC/monitors/one-shot/wrapper boot-meminfo
	run_monitor $LKP_SRC/monitors/one-shot/wrapper memmap
	run_monitor $LKP_SRC/monitors/wrapper kmsg
	run_monitor $LKP_SRC/monitors/wrapper oom-killer
	run_monitor $LKP_SRC/monitors/plain/watchdog
	run_monitor $LKP_SRC/monitors/wrapper nfs-hang

	run_test $LKP_SRC/tests/wrapper sleep 1
}

extract_stats()
{
	$LKP_SRC/stats/wrapper boot-slabinfo
	$LKP_SRC/stats/wrapper boot-meminfo
	$LKP_SRC/stats/wrapper memmap
	$LKP_SRC/stats/wrapper boot-memory
	$LKP_SRC/stats/wrapper boot-time
	$LKP_SRC/stats/wrapper kernel-size
	$LKP_SRC/stats/wrapper kmsg

	$LKP_SRC/stats/wrapper time sleep.time
	$LKP_SRC/stats/wrapper time
	$LKP_SRC/stats/wrapper dmesg
	$LKP_SRC/stats/wrapper kmsg
	$LKP_SRC/stats/wrapper stderr
	$LKP_SRC/stats/wrapper last_state
}

"$@"

Attachment: dmesg.xz
Description: Binary data