Hi Darrick, Sorry to bother you. With xfsprogs v4.19.0-rc0 on kernel v4.19.0-rc7, running xfs/127 alway get the following error: --------------------------------------------------------------- FSTYP -- xfs (non-debug) PLATFORM -- Linux/x86_64 RHEL8U0Alpha_Intel64 4.19.0-rc7+ MKFS_OPTIONS -- -f -m rmapbt=1,reflink=1 /dev/sda8 MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 /dev/sda8 /mnt/xfstests/scratch xfs/127 21s ... _check_xfs_filesystem: filesystem on /dev/sda8 is inconsistent (c) (see /var/lib/xfstests/results//xfs/127.full for details) ... --------------------------------------------------------------- cat /var/lib/xfstests/results//xfs/127.full --------------------------------------------------------------- *** xfs_check output *** agi_freecount 57, counted 56 in ag 0 sb_ifree 57, counted 56 *** end xfs_check output ---------------------------------------------------------------- >From xfs/139, xfs/140 and xfs/233, xfs_check also triggers the similar issue, as below: cat /var/lib/xfstests/results/xfs/139.full ---------------------------------------------------------------- *** xfs_check output *** agi_freecount 58, counted 61 in ag 0 agf_freeblks 160, counted 8179 in ag 1 agf_longest 160, counted 8179 in ag 1 agf_freeblks 3910, counted 8179 in ag 2 agf_longest 3910, counted 8179 in ag 2 agf_freeblks 160, counted 8179 in ag 3 agf_longest 160, counted 8179 in ag 3 agf_freeblks 3910, counted 8179 in ag 4 agf_longest 3910, counted 8179 in ag 4 sb_ifree 58, counted 61 sb_fdblocks 5210741, counted 5235317 sb_fdblocks 5210741, aggregate AGF count 5235317 *** end xfs_check output ---------------------------------------------------------------- cat /var/lib/xfstests/results/xfs/140.full ---------------------------------------------------------------- *** xfs_check output *** agf_freeblks 8163, counted 8171 in ag 0 agf_longest 8163, counted 8168 in ag 0 agi_freecount 57, counted 61 in ag 0 block 1/8062 expected type unknown got freelist block 1/8066 expected type unknown got freelist block 1/8068 expected type unknown got freelist block 1/8069 expected type unknown got freelist block 1/8070 expected type unknown got freelist ... ---------------------------------------------------------------- cat /var/lib/xfstests/results/xfs/233.full ---------------------------------------------------------------- *** xfs_check output *** agf_freeblks 4030, counted 4015 in ag 0 agf_longest 4027, counted 4012 in ag 0 agi_freecount 57, counted 56 in ag 0 sb_ifree 57, counted 56 sb_fdblocks 5233119, counted 5233104 sb_fdblocks 5233119, aggregate AGF count 5233104 *** end xfs_check output ---------------------------------------------------------------- I am not sure if this is a XFS bug or these tests need to be fixed. Could you help me answer the root cause of these failures? Best Regards, Xiao Yang