Hello, kernel test robot noticed "mdadm-selftests.05r1-failfast.fail" on: commit: bc8ce8eaa290a198cb5303181041aad037299b7f ("md: call del_gendisk in control path") https://git.kernel.org/cgit/linux/kernel/git/mdraid/linux md-6.16 in testcase: mdadm-selftests version: mdadm-selftests-x86_64-0550fb37-1_20250518 with following parameters: disk: 1HDD test_prefix: 05r1-failfast config: x86_64-rhel-9.4-func compiler: gcc-12 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz (Haswell) with 16G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202506201427.baf6fdc2-lkp@xxxxxxxxx 2025-06-19 10:07:43 mkdir -p /var/tmp 2025-06-19 10:07:43 mke2fs -t ext3 -b 4096 -J size=4 -q /dev/sda1 2025-06-19 10:08:14 mount -t ext3 /dev/sda1 /var/tmp /usr/bin/install -D -m 755 mdadm /sbin/mdadm /usr/bin/install -D -m 755 mdmon /sbin/mdmon sed -e 's/{DEFAULT_METADATA}/1.2/g' \ -e 's,{MAP_PATH},/run/mdadm/map,g' -e 's,{CONFFILE},/etc/mdadm.conf,g' \ -e 's,{CONFFILE2},/etc/mdadm/mdadm.conf,g' mdadm.8.in > mdadm.8 sed -e 's,{CONFFILE},/etc/mdadm.conf,g' \ -e 's,{CONFFILE2},/etc/mdadm/mdadm.conf,g' mdadm.conf.5.in > mdadm.conf.5 /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 [1;33mWarning! Tests are performed on system level mdadm! [0mIf you want to test local build, you need to install it first! test: skipping tests for multipath, which is removed in upstream 6.8+ kernels [1;33mWarning! Test suite will set up systemd environment! [0mUse "systemctl show-environment" to show systemd environment variables Added IMSM_DEVNAME_AS_SERIAL=1 to systemd environment, use "systemctl unset-environment IMSM_DEVNAME_AS_SERIAL=1" to remove it. Added IMSM_NO_PLATFORM=1 to systemd environment, use "systemctl unset-environment IMSM_NO_PLATFORM=1" to remove it. Testing on linux-6.15.0-02014-gbc8ce8eaa290 kernel /lkp/benchmarks/mdadm-selftests/tests/05r1-failfast... Execution time (seconds): 8 [0;31mFAILED[0m - see /var/tmp/05r1-failfast.log and /var/tmp/fail05r1-failfast.log for details Removed IMSM_DEVNAME_AS_SERIAL=1 from systemd environment. Removed IMSM_NO_PLATFORM=1 from systemd environment. The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250620/202506201427.baf6fdc2-lkp@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki