Hi, everyone! I met issues are as below: generic/008 [not run] xfs_io fzero failed (old kernel/wrong fs?) generic/009 [not run] xfs_io fzero failed (old kernel/wrong fs?) generic/012 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) generic/016 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) generic/021 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) generic/022 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) generic/031 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) generic/033 [not run] xfs_io fzero failed (old kernel/wrong fs?) generic/058 [not run] xfs_io finsert failed (old kernel/wrong fs?) generic/060 [not run] xfs_io finsert failed (old kernel/wrong fs?) generic/061 [not run] xfs_io finsert failed (old kernel/wrong fs?) generic/064 [not run] xfs_io finsert failed (old kernel/wrong fs?) generic/072 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) I read the code and retry to exec xfs_io: root@snb-drag /lkp/benchmarks/xfstests# export TEST_DIR=/fs/sda5 root@snb-drag /lkp/benchmarks/xfstests# export TEST_DEV=/dev/sda5 root@snb-drag /lkp/benchmarks/xfstests# export FSTYP=btrfs root@snb-drag /lkp/benchmarks/xfstests# export SCRATCH_MNT=/fs/scratch root@snb-drag /lkp/benchmarks/xfstests# ./check generic/008 FSTYP -- btrfs PLATFORM -- Linux/x86_64 snb-drag 4.12.0-rc1 generic/008 [not run] xfs_io fzero failed (old kernel/wrong fs?) Not run: generic/008 Passed all 0 tests root@snb-drag /fs/sda5# uname -r 4.12.0-rc1 root@snb-drag /fs/sda5# uname -m x86_64 root@snb-drag /fs/sda5# export FSTYP=xfs root@snb-drag /fs/sda5# xfs_io -c "pwrite 0 20k" -c "fsync" -c "fzero 4k 8k" $TEST_DIR/$$.xfs_io wrote 20480/20480 bytes at offset 0 20 KiB, 5 ops; 0.0000 sec (2.725 GiB/sec and 714285.7143 ops/sec) fallocate: Operation not supported root@snb-drag /fs/sda5# export FSTYP=ext4 root@snb-drag /fs/sda5# xfs_io -c "pwrite 0 20k" -c "fsync" -c "fzero 4k 8k" $TEST_DIR/$$.xfs_io wrote 20480/20480 bytes at offset 0 20 KiB, 5 ops; 0.0000 sec (3.179 GiB/sec and 833333.3333 ops/sec) fallocate: Operation not supported root@snb-drag /fs/sda5# xfs_io -F -f -c "pwrite 0 20k" -c "fsync" -c "fzero 4k 8k" $TEST_DIR/$$.xfs_io wrote 20480/20480 bytes at offset 0 20 KiB, 5 ops; 0.0000 sec (1.467 GiB/sec and 384615.3846 ops/sec) fallocate: Operation not supported >From the output, I can not know how to fix? The kernel is enough new and the fs seems right. Could you help me? Thanks Dai Xiang -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html