Greeting, FYI, we noticed the following commit (built with gcc-9): commit: b2dae6e394d133385db288e3da137f9e84f96663 ("loop: don't freeze the queue in lo_release") git://git.infradead.org/users/hch/block.git loop-fix.3 in testcase: mdadm-selftests version: mdadm-selftests-x86_64-5f41845-1_20220129 with following parameters: disk: 1HDD test_prefix: 07reshape ucode: 0x28 on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz with 16G memory 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 <oliver.sang(a)intel.com&gt; 2022-01-31 23:02:24 mkdir -p /var/tmp 2022-01-31 23:02:24 mke2fs -t ext3 -b 4096 -J size=4 -q /dev/sda1 2022-01-31 23:03:04 mount -t ext3 /dev/sda1 /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-creating.rules /lib/udev/rules.d/01-md-raid-creating.rules /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 644 udev-md-clustered-confirm-device.rules /lib/udev/rules.d/69-md-clustered-confirm-device.rules /usr/bin/install -D -m 755 mdadm /sbin/mdadm /usr/bin/install -D -m 755 mdmon /sbin/mdmon Testing on linux-5.17.0-rc1-00192-gb2dae6e394d1 kernel /lkp/benchmarks/mdadm-selftests/tests/07reshape5intr... FAILED - see /var/tmp/07reshape5intr.log and /var/tmp/fail07reshape5intr.log for details To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. --- 0DAY/LKP+ Test Infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation Thanks, Oliver Sang