Would like to add that I see this issue and it's also down to my USB
bluetooth dongle.
With the dongle plugged in, it immediately resumes. With it unplugged,
it works fine. I alternated several times and observed consistent
behaviour.
Model is:
Bus 004 Device 003: ID 050d:0081 Belkin Components F
I also confirm this bug.
Perhaps of interest; when shown this message for my troublesome
filesystem, I pressed S to get on with the boot. I then mounted it from
an ssh root shell which worked absolutely fine [using just mount /dump
so fstab was used to look up the details], however this was displa