2.3 --list-keys weirdness

[Robert J. Hansen]

rjh at ripley:~$ gpg -vvvv --list-keys
gpg: using character set 'utf-8'
gpg: Note: RFC4880bis features are enabled.
gpg: key 1DCBDC01B44427C7: accepted as trusted key
gpg: key 1E7A94D4E87F91D5: accepted as trusted key
gpg: key A3C418D1C6F3453A: accepted as trusted key


... No output is ever produced: it just hangs without ever giving a hint 
as to what's going on, what's wrong, or how to fix it.  This is not the 
behavior I expect from a high-verbosity output.  What's going on here?