root 10:06:39 /home/fdmanana/git/hub/xfstests (master)> cat /home/fdmanana/git/hub/xfstests/results//btrfs/136.full
mke2fs 1.45.6 (20-Mar-2020)
Discarding device blocks: done
Creating filesystem with 5242880 4k blocks and 1310720 inodes
Filesystem UUID: 9519afc8-8ea0-42da-8ac5-3b4c20469dd1
Superblock backups stored on blocks:
	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
	4096000

Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

Run fsstress  -p 20 -n 100 -d /home/fdmanana/btrfs-tests/scratch_1/ext3_ext4_data/ext3
tune2fs 1.45.6 (20-Mar-2020)
e2fsck 1.45.6 (20-Mar-2020)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 3A: Optimizing directories
Pass 4: Checking reference counts
Pass 5: Checking group summary information

/dev/sdc: ***** FILE SYSTEM WAS MODIFIED *****
/dev/sdc: 235/1310720 files (22.1% non-contiguous), 129757/5242880 blocks
Run fsstress  -p 20 -n 100 -d /home/fdmanana/btrfs-tests/scratch_1/ext3_ext4_data/ext4
ERROR: missing data block for bytenr 1048576
ERROR: failed to create ext2_saved/image: -2
WARNING: an error occurred during conversion, filesystem is partially created but not finalized and not mountable
create btrfs filesystem:
	blocksize: 4096
	nodesize:  16384
	features:  extref, skinny-metadata (default)
	checksum:  crc32c
creating ext2 image file
btrfs-convert failed
root 10:14:18 /home/fdmanana/git/hub/xfstests (master)>