Dear devs,

I cannot use kernel >= 5.2, They cannot mount sdb2 nor sb3 both btrfs
filesystems. I can work as intended on 4.19 which is an LTS version,
previously using 5.1 but Manjaro removed it from their repositories.

More info:
· dmesg:
> [oct15 13:47] BTRFS info (device sdb2): disk space caching is enabled
> [  +0,009974] BTRFS info (device sdb2): enabling ssd optimizations
> [  +0,000481] BTRFS critical (device sdb2): corrupt leaf: root=5 
> block=30622793728 slot=115, invalid key objectid: has 18446744073709551605 
> expect 6 or [256, 18446744073709551360] or 18446744073709551604
> [  +0,000002] BTRFS error (device sdb2): block=30622793728 read time tree 
> block corruption detected
> [  +0,000021] BTRFS warning (device sdb2): failed to read fs tree: -5
> [  +0,044643] BTRFS error (device sdb2): open_ctree failed



· sudo mount  /dev/sdb2 /mnt/
> mount: /mnt: no se puede leer el superbloque en /dev/sdb2.

(cannot read superblock on /dev...)

· sudo btrfs rescue super-recover /dev/sdb2
> All supers are valid, no need to recover


· sudo btrfs check /dev/sdb2
> Opening filesystem to check...
> Checking filesystem on /dev/sdb2
> UUID: ff559c37-bc38-491c-9edc-fa6bb0874942
> [1/7] checking root items
> [2/7] checking extents
> [3/7] checking free space cache
> cache and super generation don't match, space cache will be invalidated
> [4/7] checking fs roots
> root 5 inode 431 errors 1040, bad file extent, some csum missing
> root 5 inode 755 errors 1040, bad file extent, some csum missing
> root 5 inode 2379 errors 1040, bad file extent, some csum missing
> root 5 inode 11721 errors 1040, bad file extent, some csum missing
> root 5 inode 12211 errors 1040, bad file extent, some csum missing
> root 5 inode 15368 errors 1040, bad file extent, some csum missing
> root 5 inode 35329 errors 1040, bad file extent, some csum missing
> root 5 inode 960427 errors 1040, bad file extent, some csum missing
> root 5 inode 18446744073709551605 errors 2001, no inode item, link count wrong
>         unresolved ref dir 256 index 0 namelen 12 name $RECYCLE.BIN filetype 
> 2 errors 6, no dir index, no inode ref
> root 388 inode 1245 errors 1040, bad file extent, some csum missing
> root 388 inode 1288 errors 1040, bad file extent, some csum missing
> root 388 inode 1292 errors 1040, bad file extent, some csum missing
> root 388 inode 1313 errors 1040, bad file extent, some csum missing
> root 388 inode 11870 errors 1040, bad file extent, some csum missing
> root 388 inode 68126 errors 1040, bad file extent, some csum missing
> root 388 inode 88051 errors 1040, bad file extent, some csum missing
> root 388 inode 88255 errors 1040, bad file extent, some csum missing
> root 388 inode 88455 errors 1040, bad file extent, some csum missing
> root 388 inode 88588 errors 1040, bad file extent, some csum missing
> root 388 inode 88784 errors 1040, bad file extent, some csum missing
> root 388 inode 88916 errors 1040, bad file extent, some csum missing
> ERROR: errors found in fs roots
> found 37167415296 bytes used, error(s) found
> total csum bytes: 33793568
> total tree bytes: 1676722176
> total fs tree bytes: 1540243456
> total extent tree bytes: 81510400
> btree space waste bytes: 306327457
> file data blocks allocated: 42200928256
>  referenced 52868354048




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Regards,
José Luis.

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