On Sun, Jul 26, 2020 at 03:55:11PM +0800, kernel test robot wrote: > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: 6e6fcbc27e7788af54139c53537395d95560f2ef ("blk-mq: support batching > dispatch in case of io") > https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git > for-5.9/drivers > > > in testcase: ltp > with following parameters: > > disk: 1HDD > fs: ext4 > 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 16G > > 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.c...@intel.com> > > > > <<<test_start>>> > tag=fs_fill stime=1595659069 > cmdline="fs_fill" > contacts="" > analysis=exit > <<<test_output>>> > tst_device.c:89: INFO: Found free device 0 '/dev/loop0' > tst_supported_fs_types.c:60: INFO: Kernel supports ext2 > tst_supported_fs_types.c:44: INFO: mkfs.ext2 does exist > tst_supported_fs_types.c:60: INFO: Kernel supports ext3 > tst_supported_fs_types.c:44: INFO: mkfs.ext3 does exist > tst_supported_fs_types.c:60: INFO: Kernel supports ext4 > tst_supported_fs_types.c:44: INFO: mkfs.ext4 does exist > tst_supported_fs_types.c:60: INFO: Kernel supports xfs > tst_supported_fs_types.c:44: INFO: mkfs.xfs does exist > tst_supported_fs_types.c:60: INFO: Kernel supports btrfs > tst_supported_fs_types.c:44: INFO: mkfs.btrfs does exist > tst_supported_fs_types.c:60: INFO: Kernel supports vfat > tst_supported_fs_types.c:44: INFO: mkfs.vfat does exist > tst_supported_fs_types.c:83: INFO: Filesystem exfat is not supported > tst_supported_fs_types.c:92: INFO: FUSE does support ntfs > tst_supported_fs_types.c:44: INFO: mkfs.ntfs does exist > tst_test.c:1308: INFO: Testing on ext2 > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with ext2 opts='' extra opts='' > mke2fs 1.44.5 (15-Dec-2018) > tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s > fs_fill.c:103: INFO: Running 10 writer threads > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file0 > fs_fill.c:87: PASS: Got 10 ENOSPC runtime 1194ms > tst_test.c:1308: INFO: Testing on ext3 > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with ext3 opts='' extra opts='' > mke2fs 1.44.5 (15-Dec-2018) > tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s > fs_fill.c:103: INFO: Running 10 writer threads > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file14 > fs_fill.c:87: PASS: Got 17 ENOSPC runtime 1000ms > tst_test.c:1308: INFO: Testing on ext4 > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with ext4 opts='' extra opts='' > mke2fs 1.44.5 (15-Dec-2018) > tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s > fs_fill.c:103: INFO: Running 10 writer threads > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file1 > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file1 > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file3 > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file6 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file6 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file1 > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file6 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file1 > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file6 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file4 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file3 > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file3 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file3 > fs_fill.c:87: PASS: Got 73 ENOSPC runtime 1000ms > tst_test.c:1308: INFO: Testing on xfs > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with xfs opts='' extra opts='' > tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s > fs_fill.c:103: INFO: Running 10 writer threads > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file2 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file1 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file1 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file1 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file2 > fs_fill.c:87: PASS: Got 111 ENOSPC runtime 566ms > tst_test.c:1308: INFO: Testing on btrfs > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with btrfs opts='' extra opts='' > tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s > fs_fill.c:103: INFO: Running 10 writer threads > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread1/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread5/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread2/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread4/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread7/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread10/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread3/file0 > fs_fill.c:53: INFO: Unlinking mntpoint/thread9/file0 > tst_fill_fs.c:39: INFO: open(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread6/file0 > tst_fill_fs.c:59: INFO: write(): ENOSPC (28) > fs_fill.c:53: INFO: Unlinking mntpoint/thread8/file0 > fs_fill.c:87: PASS: Got 10 ENOSPC runtime 9454ms > tst_test.c:1308: INFO: Testing on vfat > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with vfat opts='' extra opts='' > tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s > fs_fill.c:103: INFO: Running 10 writer threads > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Test timeouted, sending SIGKILL! > Cannot kill test processes! > Congratulation, likely test hit a kernel bug. > Exitting uncleanly... > <<<execution_status>>> > initiation_status="ok" > duration=385 termination_type=exited termination_id=1 corefile=no > cutime=53 cstime=1400 > <<<test_end>>> > > > > To reproduce: > > # build kernel > cd linux > cp config-5.8.0-rc2-00057-g6e6fcbc27e7788 .config > make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare > modules_prepare bzImage modules > make HOSTCC=gcc-9 CC=gcc-9 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
Can you share what the exact ltp test fails? Also I don't see any failure log in dmesg.xz. Thanks, Ming