FAT32 + BTRFS partitions: BTRFS D: volume is missing

QEMU 0.9.1

Primary, 640 MB, FAT32 : ReactOS.
Extended + Logical, 384 MB, BTRFS : free.

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reactos-bootcd-0.4.15-dev-5177-g162de4a-x86-gcc-lin-dbg

BTRFS D: volume is missing:

• Explorer.
• diskpart > select disk 0 > (list partition >) list volume

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reactos-bootcd-0.4.15-dev-5352-g6755921-x86-gcc-lin-dbg
Reproduced.
Note:
FAT32 + FAT has no issue.

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• 1 disk with 1 partition: similar, though the first text line is different, so less of a matter.
• 2 disks: not tested...