Comment # 11 on bug 1179659 from Adrien Glauser

(In reply to Arvin Schnell from comment #10)
> So there are two .snapshots subvolumes "@/.snapshots" and ".snapshots".
> This looks like the first was created during installation, the second
> manually later.
> 
> What I still not understand it that .snapshots in not included in fstab.
> 
> Please mount the root filesystem with the option "subvolid=5", e.g.:
> 
> mount UUID=22e658f2-1586-4ac2-8aeb-a6862c8c9a25 /mnt -o subvolid=5
> 
> The go to /mnt/@/.snapshots/ and check each fstab for .snapshots:
> 
> grep .snapshots */snapshot/etc/fstab

This is getting interesting:
localhost@locahost:/mnt/@> cd .snapshots
bash: cd: .snapshots: Permission denied.