When I try to sign a file using gpg2 in a mintty or xterm terminal 
(e.g., 'gpg2 -bs foo'), a dialogue box is drawn in the terminal, but I 
can't figure out how to enter my passphrase.  Anything I type is just 
echoed at the bottom of the screen, regardless of what I do with the 
mouse.  If I type Ctrl-C, the bash prompt returns but the 
pinentry-curses process keeps running for a while.

If I install pinentry-gnome3, then 'gpg2 -bs' works fine when run from 
an xterm window; a dialogue box pops up and I can enter the passphrase.

A second issue, which seems to just be cosmetic, is that I get the 
following message every time I run gpg2 -bs:

   gpg: selecting openpgp failed: No such device

Googling suggests that this has something to do with OpenPGP smart 
cards, but I don't have one:

$ gpg2 --card-status
gpg: selecting openpgp failed: No such device
gpg: OpenPGP card not available: No such device

Do I need to put something in ~/.gnupg/gpg.conf to tell gpg2 that I 
don't have a card?

cygcheck output is attached.

Ken

P.S. An unrelated matter: Shouldn't gnupg2 require pinentry?