If it helps to know, I do have exactly the same problem.
EDIT: Based on xiccarph's tip, I dug out a vintage PS/2 keyboard to replace the USB keyboard. Now I can enter the passphrase on boot....
Type: Posts; User: robb-txstate; Keyword(s):
If it helps to know, I do have exactly the same problem.
EDIT: Based on xiccarph's tip, I dug out a vintage PS/2 keyboard to replace the USB keyboard. Now I can enter the passphrase on boot....