grub-probe does not show right abstraction (at NVMe)

Dieter Faulbaum <[email protected]>
Newsgroups gmane.comp.boot-loaders.grub.bugs
Message-ID <[email protected]>
grub-probe -t abstraction /usr
show only:
lvm
and not something like this:
cryptodisk
luks
...
lvm

the OS is: Debian testing, the version of grub-probe is: (GRUB) 
2.06-7

the relevant part of the filesystem looks like this (with lsbkl):
nvme0n1                                       259:0    0 953.9G  0 
disk  
├─nvme0n1p1                                   259:1    0   487M  0 
part  /boot/efi
├─nvme0n1p2                                   259:2    0   954M  0 
part  /boot
└─nvme0n1p3                                   259:3    0 952.5G  0 
part  
  └─nvme0n1p3_crypt                           254:9    0 952.4G  0 
  crypt 
    ├─vg0-usr                                 254:10   0  39.8G  0 
    lvm   /usr

calling 'grub-probe -t abstraction /usr' with a SSD works fine:
cryptodisk
luks
gcry_rijndael
gcry_rijndael
gcry_sha256
lvm

layout at that computer:
sda                 8:0    0 476.9G  0 disk  
├─sda1              8:1    0   512M  0 part  /boot/efi
├─sda2              8:2    0   244M  0 part  /boot
└─sda3              8:3    0 476.2G  0 part  
  └─sda3_crypt    253:0    0 476.2G  0 crypt 
    ├─vg0-usr     253:2    0  23.6G  0 lvm   /usr
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.