#720032 grub-probe misdetects filesystem and UUID

Package:
grub-pc
Source:
grub2
Description:
GRand Unified Bootloader, version 2 (PC/BIOS version)
Submitter:
Erich Schubert
Date:
2013-08-17 20:42:06 UTC
Severity:
important
#720032#5
Date:
2013-08-17 20:40:17 UTC
From:
To:
Grub since version 2.00 is unable to boot (goes to resuce prompt only).
Downgrading to 1.99-27+deb7u1 resolves the problem, so this is a regression.

I've noticed that grub seems to misdetect the filesystem and UUID:
It reports the UUID as 07D6-0A0F, and detects it as "fat":