[Btrfs-devel] mkfs/mount troubles with the latest btrfs-unstable.

[Evgeniy Polyakov]

Hi.

With the latest unstable btrfs/btrfs-progs it fails to mount fs after it
was created multiple times.

devfs2:~/fs_bench# /root/btrfs-progs-unstable/mkfs.btrfs -l 4k -n 4k
/dev/sdb1
found device 1 on /dev/sdb1
lowest devid now 1
found Btrfs on /dev/sdb1 with 1 devices
opening /dev/sdb1 devid 1 fd 5
Aborted

devfs2:~/fs_bench# mount /dev/sdb1 /mnt/
mount: /dev/sdb1: can't read superblock

devfs2:~/fs_bench# dmesg
scan one opens /dev/sdb1
found device 1 on /dev/sdb1
lowest devid now 1
scan one closes bdev /dev/sdb1
opening /dev/sdb1 devid 1
lowest bdev /dev/sdb1
btrfs: sdb1 checksum verify failed on 16384 wanted 5AF80000 found A3BE5820 from_this_trans 0
btrfs: sdb1 checksum verify failed on 28672 wanted 0 found D0FE5A84 from_this_trans 0
btrfs: sdb1 checksum verify failed on 20480 wanted 0 found 656DA76F from_this_trans 0
btrfs: sdb1 checksum verify failed on 24576 wanted 0 found D8682F6A from_this_trans 0
btrfs: sdb1 checksum verify failed on 32768 wanted 0 found B3903F21 from_this_trans 0

# /root/btrfs-progs-unstable/btrfsctl -a
Scanning for Btrfs filesystems
found device 1 on /dev/sdb1
lowest devid now 1
devfs2:~/fs_bench# mount /dev/sdb1 /mnt/
mount: /dev/sdb1: can't read superblock

-- 
	Evgeniy Polyakov