On Fri, Oct 12, 2018 at 04:58:44PM +0800, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-7): > > commit: d595567dc4f0c1d90685ec1e2e296e2cad2643ac ("MD: fix invalid stored > role for a disk") > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > in testcase: mdadm-selftests > with following parameters: > > disk: 1HDD > test_prefix: 02 > > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 4G > > caused below changes (please refer to attached dmesg/kmsg for entire > log/backtrace): > > > > > > Welcome to fdisk (util-linux 2.29.2). > Changes will remain in memory only, until you decide to write them. > Be careful before using the write command. > > Device does not contain a recognized partition table. > Created a new DOS disklabel with disk identifier 0xd50ae9f0. > > Command (m for help): Partition type > p primary (0 primary, 0 extended, 4 free) > e extended (container for logical partitions) > Select (default p): Partition number (1-4, default 1): First sector > (2048-536870911, default 2048): Last sector, +sectors or +size{K,M,G,T,P} > (2048-536870911, default 536870911): > Created a new partition 1 of type 'Linux' and of size 5 GiB. > > Command (m for help): The partition table has been altered. > Calling ioctl() to re-read partition table. > Syncing disks. > > 2018-10-12 11:05:55 mkdir -p /var/tmp > 2018-10-12 11:05:55 mke2fs -t ext3 -b 1024 -J size=1 -q /dev/vda1 > 2018-10-12 11:06:00 mount -t ext3 /dev/vda1 /var/tmp > sed -e 's/{DEFAULT_METADATA}/1.2/g' \ > -e 's,{MAP_PATH},/run/mdadm/map,g' mdadm.8.in > mdadm.8 > /usr/bin/install -D -m 644 mdadm.8 /usr/share/man/man8/mdadm.8 > /usr/bin/install -D -m 644 mdmon.8 /usr/share/man/man8/mdmon.8 > /usr/bin/install -D -m 644 md.4 /usr/share/man/man4/md.4 > /usr/bin/install -D -m 644 mdadm.conf.5 /usr/share/man/man5/mdadm.conf.5 > /usr/bin/install -D -m 644 udev-md-raid-arrays.rules > /lib/udev/rules.d/63-md-raid-arrays.rules > /usr/bin/install -D -m 644 udev-md-raid-assembly.rules > /lib/udev/rules.d/64-md-raid-assembly.rules > /usr/bin/install -D -m 755 mdadm /sbin/mdadm > /usr/bin/install -D -m 755 mdmon /sbin/mdmon > Testing on linux-4.19.0-rc5-00182-gd595567 kernel > tests/02lineargrow... FAILED - see /var/tmp/log for details > Testing on linux-4.19.0-rc5-00182-gd595567 kernel > tests/02r1add... succeeded > Testing on linux-4.19.0-rc5-00182-gd595567 kernel > tests/02r1grow... succeeded > Testing on linux-4.19.0-rc5-00182-gd595567 kernel > tests/02r5grow... succeeded > Testing on linux-4.19.0-rc5-00182-gd595567 kernel > tests/02r6grow... succeeded > > > > To reproduce: > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz > bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is > attached in this email
Thanks for reporting, I fixed it in md-next tree. Thanks, Shaohua