[Bug 1834618] Re: nbd devices doesn't quite make sense to be probed

[Sebastien Bacher]

Could you report that to the Debian BTS?

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Title:
  nbd devices doesn't quite make sense to be probed

Status in os-prober package in Ubuntu:
  New

Bug description:
  Found Ubuntu Eoan Ermine (development branch) (19.10) on /dev/nbd0p1

  I have qemu-nbd cloud image mounted at /dev/nbd0 hence 19.10 is
  detected on nbd0p1

  However, given that it is ~= loop mount, it doesn't really make sense
  to grub detect it, as it's not directly bootable by grub.

  It generated an entry, but it would not be bootable

  menuentry 'Ubuntu Eoan Ermine (development branch) (19.10) (on /dev/nbd0p1)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-7dcf60b9-33c7-42a1-bbf1-2b930917b6d7' {
          insmod part_msdos
          insmod ext2
          if [ x$feature_platform_search_hint = xy ]; then
            search --no-floppy --fs-uuid --set=root  7dcf60b9-33c7-42a1-bbf1-2b930917b6d7
          else
            search --no-floppy --fs-uuid --set=root 7dcf60b9-33c7-42a1-bbf1-2b930917b6d7
          fi
          linux /boot/vmlinuz-5.0.0-1008-kvm root=PARTUUID=bc7dd985-01 ro console=tty1 console=ttyS0 panic=-1
          initrd /boot/initrd.img-5.0.0-1008-kvm
  }

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