Correction: alt-sysreq-E lets me resume booting a recovery boot. Inside it,a "cat /proc/partitions" does show sd* followed by dm-0, then hda*, then dm-[1-9].
Correction: alt-sysreq-E lets me resume booting a recovery boot. Inside it,a "cat /proc/partitions" does show sd* followed by dm-0, then hda*, then dm-[1-9].