That's the only output from the grub-probe command:
$ sudo grub-probe -v /boot/grub/
grub-probe: error: Cannot get the real path of `/dev/fd0'-- Sam Morris http://robots.org.uk/ PGP key id 1024D/5EA01078 3412 EA18 1277 354B 991B C869 B219 7FDB 5EA0 1078
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