

Thanks - I tried it under NetBSD in FreeBSD Bhyve VM - but no luck for me:
netbsd# uname -prsm
NetBSD 10.1 amd64 x86_64
netbsd# ./lsblk.NetBSD
DEV LABEL FS SIZE USED USE% MOUNT
----------------------------------------------------------------------
disklabel: ioctl DIOCGDINFO: Inappropriate ioctl for device
That ThinkPad T400 is REALLY old and OpenBSD is known to be slow - so if you connect slow hardware with slow OS … you get what You get.
IMHO update to at least to T420/T430 … or change OpenBSD to NetBSD or FreeBSD.