On Mon, 2019-11-11 at 09:00 +0800, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: 73e5fff98b6446de1490a8d7809121b0108d49f4 ("xfs: switch to use
> the new mount-api")
> https://git.kernel.org/cgit/fs/xfs/xfs-linux.git xfs-5.5-merge
>
> in testcase: ltp
> with following parameters:
>
> disk: 1HDD
> fs: xfs
> test: fs-03
>
> test-description: The LTP testsuite contains a collection of tools
> for testing the Linux kernel and related features.
> test-url: http://linux-test-project.github.io/
>
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp
> 2 -m 8G
>
> caused below changes (please refer to attached dmesg/kmsg for entire
> log/backtrace):
>
>
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <rong.a.chen@xxxxxxxxx>
>
> [ 135.976643] LTP: starting fs_fill
> [ 135.993912] /dev/zero: Can't open blockdev
I've looked at the github source but I don't see how to find out what
command was used when this error occurred so I don't know even how to
start to work out what might have caused this.
Can you help me to find the test script source please.
> [ 136.020327] raid6: sse2x4 gen() 14769 MB/s
> [ 136.037281] raid6: sse2x4 xor() 8927 MB/s
> [ 136.054236] raid6: sse2x2 gen() 12445 MB/s
> [ 136.071397] raid6: sse2x2 xor() 7441 MB/s
> [ 136.089313] raid6: sse2x1 gen() 10089 MB/s
> [ 136.107334] raid6: sse2x1 xor() 7201 MB/s
> [ 136.108198] raid6: using algorithm sse2x4 gen() 14769 MB/s
> [ 136.109320] raid6: .... xor() 8927 MB/s, rmw enabled
> [ 136.111966] raid6: using ssse3x2 recovery algorithm
> [ 136.122740] xor: automatically using best checksumming
> function avx
> [ 136.187956] Btrfs loaded, crc32c=crc32c-intel
> [ 136.216946] fuse: init (API version 7.31)
> [ 136.327654] EXT4-fs (loop0): mounting ext2 file system using the
> ext4 subsystem
> [ 136.334974] EXT4-fs (loop0): mounted filesystem without journal.
> Opts: (null)
> [ 136.338933] Mounted ext2 file system at /tmp/ltp-
> bl4kncm4Ti/g2oJfj/mntpoint supports timestamps until 2038
> (0x7fffffff)
> [ 137.897422] EXT4-fs (loop0): mounting ext3 file system using the
> ext4 subsystem
> [ 137.908242] EXT4-fs (loop0): mounted filesystem with ordered data
> mode. Opts: (null)
> [ 137.910111] Mounted ext3 file system at /tmp/ltp-
> bl4kncm4Ti/g2oJfj/mntpoint supports timestamps until 2038
> (0x7fffffff)
>
>
> To reproduce:
>
> # build kernel
> cd linux
> cp config-5.4.0-rc3-00117-g73e5fff98b644 .config
> make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare
> modules_prepare bzImage modules
> make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 INSTALL_MOD_PATH=<mod-
> install-dir> modules_install
> cd <mod-install-dir>
> find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
>
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-
> script is attached in this email
>
>
>
> Thanks,
> Rong Chen
>
