Comment # 4 on bug 965503 from Roman Bysh

I used Yast to partition openSUSE 13.2 with ext4 on / (sda1), swap on (sda2)
and /home on (sda3). 

On my second drive, I have Tumbleweed with BTRFS in my / partition (sdb1), swap
on (sdb2) /home on (sdb3). Leap 42.1 with BTRFS is on the / partition (sdb5)
/home on (sdb6). Leap 42.1 uses Tumbleweed's swap partition.

When running Grub2 from openSUSE 13.2 the BTRFS root partitions on Tumbleweed
and Leap 42.1 were not detected when running:

grub2-mkconfig -o /boot/grub2/grub.cfg

I also ran 13.2's Yast2 BootLoader and it also did not detect the BTRFS on the
root partitions on the second drive.

They *were* detected when I switched to ext4. Can there be a bug in Grub2?