I guess it depends on how the Yubikey was used as a session password (is this done in PAM, or using a static key to unlock the user once the password is changed to that key?), but it's essentially indeed a duplicate of bug 416825.
I guess it depends on how the Yubikey was used as a session password (is this done in PAM, or using a static key to unlock the user once the password is changed to that key?), but it's essentially indeed a duplicate of bug 416825.