Sergey, I think you might be onto something. I use a yubikey and have PAM configured to detect the yubikey automatically for sudo. So it could be a timing issue as you suggest, or maybe GNOME is making inappropriate assumptions about whether authentication requires actual user input.
Sergey, I think you might be onto something. I use a yubikey and have PAM configured to detect the yubikey automatically for sudo. So it could be a timing issue as you suggest, or maybe GNOME is making inappropriate assumptions about whether authentication requires actual user input.