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Date: Tue, 10 Nov 2015 09:50:21 +0100
From: Jan Kara <jack@...e.cz>
To: kernel test robot <ying.huang@...ux.intel.com>
Cc: Jan Kara <jack@...e.com>, lkp@...org,
LKML <linux-kernel@...r.kernel.org>,
0day robot <fengguang.wu@...el.com>
Subject: Re: [lkp] [ext4] dfbd72d0d6: -100.0% xfstests.ext4.001.seconds
On Tue 10-11-15 13:26:51, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> https://github.com/0day-ci/linux Jan-Kara/ext4-Fix-races-between-page-faults-and-hole-punching/20151105-002716
> commit dfbd72d0d6f10086064b918419fb2094ff9fbdb6 ("ext4: Fix races between page faults and hole punching")
Yeah, test ext4/001 starts failing with the patch but it is the test that
needs updating. Updates to xfstests are pending for this...
Honza
> =========================================================================================
> tbox_group/testcase/rootfs/kconfig/compiler/disk/fs/test:
> vm-kbuild-2G/xfstests/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/4HDD/ext4/ext4
>
> commit:
> 32b88194f71d6ae7768a29f87fbba454728273ee
> dfbd72d0d6f10086064b918419fb2094ff9fbdb6
>
> 32b88194f71d6ae7 dfbd72d0d6f10086064b918419
> ---------------- --------------------------
> fail:runs %reproduction fail:runs
> | | |
> :4 100% 4:4 last_state.xfstests.exit_code.1
> :4 100% 4:4 xfstests.ext4.001.fail
> :4 100% 4:4 xfstests.nr_fail
>
> vm-kbuild-2G: qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap
> Memory: 2G
>
> The output of xfstests is as follow:
>
> 2015-11-09 01:42:14 export TEST_DIR=/fs/vda
> 2015-11-09 01:42:14 export TEST_DEV=/dev/vda
> 2015-11-09 01:42:14 export FSTYP=ext4
> 2015-11-09 01:42:14 export SCRATCH_MNT=/fs/scratch
> 2015-11-09 01:42:14 mkdir /fs/scratch -p
> 2015-11-09 01:42:14 export SCRATCH_DEV=/dev/vdd
> 2015-11-09 01:42:14 ./check ext4/001 ext4/002 ext4/003 ext4/004 ext4/005 ext4/006 ext4/007 ext4/008 ext4/009 ext4/010 ext4/011 ext4/012 ext4/013 ext4/014 ext4/015 ext4/016 ext4/017 ext4/018 ext4/019 ext4/271 ext4/301 ext4/305 ext4/306 ext4/307 ext4/308
> FSTYP -- ext4
> PLATFORM -- Linux/x86_64 vm-kbuild-2G-3 4.3.0-rc7-00001-gdfbd72d
> MKFS_OPTIONS -- /dev/vdd
> MOUNT_OPTIONS -- -o acl,user_xattr /dev/vdd /fs/scratch
>
> ext4/001 - output mismatch (see /lkp/benchmarks/xfstests/results//ext4/001.out.bad)
> --- tests/ext4/001.out 2015-11-04 17:39:25.000000000 +0800
> +++ /lkp/benchmarks/xfstests/results//ext4/001.out.bad 2015-11-09 01:42:55.408281000 +0800
> @@ -131,14 +131,10 @@
> 2: [32..39]: hole
> daa100df6e6711906b61c9ab5aa16032
> 11. data -> hole -> data
> -0: [0..7]: data
> -1: [8..31]: unwritten
> -2: [32..39]: data
> +0: [0..39]: data
> ...
> (Run 'diff -u tests/ext4/001.out /lkp/benchmarks/xfstests/results//ext4/001.out.bad' to see the entire diff)
> ext4/002 16s
> ext4/003 17s
> ext4/004 13s
> ext4/005 7s
> ext4/006 [not run] Couldn't find e2fuzz
> ext4/007 [not run] metadata_csum not supported by this filesystem
> ext4/008 [not run] metadata_csum not supported by this filesystem
> ext4/009 [not run] metadata_csum not supported by this filesystem
> ext4/010 [not run] metadata_csum not supported by this filesystem
> ext4/011 [not run] metadata_csum not supported by this filesystem
> ext4/012 [not run] metadata_csum not supported by this filesystem
> ext4/013 [not run] metadata_csum not supported by this filesystem
> ext4/014 [not run] metadata_csum not supported by this filesystem
> ext4/015 [not run] metadata_csum not supported by this filesystem
> ext4/016 [not run] metadata_csum not supported by this filesystem
> ext4/017 [not run] metadata_csum not supported by this filesystem
> ext4/018 [not run] metadata_csum not supported by this filesystem
> ext4/019 [not run] metadata_csum not supported by this filesystem
> ext4/271 17s
> ext4/301 114s
> ext4/305 40s
> ext4/306 18s
> ext4/307 50s
> ext4/308 22s
> Ran: ext4/001 ext4/002 ext4/003 ext4/004 ext4/005 ext4/271 ext4/301 ext4/305 ext4/306 ext4/307 ext4/308
> Not run: ext4/006 ext4/007 ext4/008 ext4/009 ext4/010 ext4/011 ext4/012 ext4/013 ext4/014 ext4/015 ext4/016 ext4/017 ext4/018 ext4/019
> Failures: ext4/001
> Failed 1 of 11 tests
>
> To reproduce:
>
> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
> cd lkp-tests
> bin/lkp install job.yaml # job file is attached in this email
> bin/lkp run job.yaml
>
>
> Disclaimer:
> Results have been estimated based on internal Intel analysis and are provided
> for informational purposes only. Any difference in system hardware or software
> design or configuration may affect actual performance.
>
>
> Thanks,
> Ying Huang
> ---
> LKP_SERVER: inn
> LKP_CGI_PORT: 80
> LKP_CIFS_PORT: 139
> testcase: xfstests
> default-monitors:
> wait: activate-monitor
> kmsg:
> vmstat:
> interval: 10
> default-watchdogs:
> oom-killer:
> watchdog:
> cpufreq_governor:
> model: qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap
> nr_vm: 16
> nr_cpu: 2
> memory: 2G
> rootfs: debian-x86_64-2015-02-07.cgz
> hdd_partitions: "/dev/vda /dev/vdb /dev/vdc /dev/vdd /dev/vde /dev/vdf"
> swap_partitions: "/dev/vdg"
> ssh_base_port: 23016
> category: functional
> disk: 4HDD
> fs: ext4
> xfstests:
> test: ext4
> enqueue_time: 2015-11-08 02:34:21.338609409 +08:00
> branch: linux-devel/devel-hourly-2015110701
> commit: c92379c0a7bd67599a212f14965bd9be428489e2
> queue: rand
> repeat_to: 2
> compiler: gcc-4.9
> testbox: vm-kbuild-2G-11
> tbox_group: vm-kbuild-2G
> kconfig: x86_64-rhel
> id: eaeeea6886a18b83c9c72417c99f09e6288770d5
> user: lkp
> kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/c92379c0a7bd67599a212f14965bd9be428489e2/vmlinuz-4.3.0-bochs-virtio-gpu-wl-ath-10735-gc92379c"
> result_root: "/result/xfstests/4HDD-ext4-ext4/vm-kbuild-2G/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/c92379c0a7bd67599a212f14965bd9be428489e2/0"
> job_file: "/lkp/scheduled/vm-kbuild-2G-11/rand_xfstests-4HDD-ext4-ext4-debian-x86_64.cgz-x86_64-rhel-c92379c0a7bd67599a212f14965bd9be428489e2-20151108-26595-pp3gmx-0.yaml"
> dequeue_time: 2015-11-08 02:35:10.193800957 +08:00
> max_uptime: 3600
> initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
> bootloader_append:
> - root=/dev/ram0
> - user=lkp
> - job=/lkp/scheduled/vm-kbuild-2G-11/rand_xfstests-4HDD-ext4-ext4-debian-x86_64.cgz-x86_64-rhel-c92379c0a7bd67599a212f14965bd9be428489e2-20151108-26595-pp3gmx-0.yaml
> - ARCH=x86_64
> - kconfig=x86_64-rhel
> - branch=linux-devel/devel-hourly-2015110701
> - commit=c92379c0a7bd67599a212f14965bd9be428489e2
> - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/c92379c0a7bd67599a212f14965bd9be428489e2/vmlinuz-4.3.0-bochs-virtio-gpu-wl-ath-10735-gc92379c
> - max_uptime=3600
> - RESULT_ROOT=/result/xfstests/4HDD-ext4-ext4/vm-kbuild-2G/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/c92379c0a7bd67599a212f14965bd9be428489e2/0
> - LKP_SERVER=inn
> - |2-
>
>
> earlyprintk=ttyS0,115200 systemd.log_level=err
> debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100
> panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0
> console=ttyS0,115200 console=tty0 vga=normal
>
> rw
> lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz"
> modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/c92379c0a7bd67599a212f14965bd9be428489e2/modules.cgz"
> bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/xfstests.cgz,/lkp/benchmarks/xfstests.cgz"
> job_state: finished
> loadavg: 2.45 2.92 1.68 1/99 13724
> start_time: '1446921501'
> end_time: '1446921894'
> version: "/lkp/lkp/.src-20151106-190021"
> mkfs -t ext4 -q -F /dev/vdc
> mkfs -t ext4 -q -F /dev/vdb
> mkfs -t ext4 -q -F /dev/vdd
> mkfs -t ext4 -q -F /dev/vda
> mount -t ext4 /dev/vda /fs/vda
> mount -t ext4 /dev/vdb /fs/vdb
> mount -t ext4 /dev/vdc /fs/vdc
> mount -t ext4 /dev/vdd /fs/vdd
> export TEST_DIR=/fs/vda
> export TEST_DEV=/dev/vda
> export FSTYP=ext4
> export SCRATCH_MNT=/fs/scratch
> mkdir /fs/scratch -p
> export SCRATCH_DEV=/dev/vdd
> ./check ext4/001 ext4/002 ext4/003 ext4/004 ext4/005 ext4/006 ext4/007 ext4/008 ext4/009 ext4/010 ext4/011 ext4/012 ext4/013 ext4/014 ext4/015 ext4/016 ext4/017 ext4/018 ext4/019 ext4/271 ext4/301 ext4/305 ext4/306 ext4/307 ext4/308
--
Jan Kara <jack@...e.com>
SUSE Labs, CR
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