Package: lightdm
Version: 1.30.0-0ubuntu3.1
Severity: normal

Dear Maintainer,

Observed behaviour:
When the fingerprint PAM authentication method is enabled and set-up (fprintd), 
lightdm first requests that the user swipe their fingerprint. While the 
fingerprint sensor is live,
the user still has the option to enter their password as standard. However, if 
the correct password is entered and submitted, the user will not be logged in. 
Instead, the dialog
will hang until the fingerprint sensor times out. Then, a timeout message will 
be displayed and the user will be required to re-enter their credentials.

Expected behaviour:
Once correct password has been entered, the fingerprint sensor is shut down, 
and the user is logged in immediately.

-- System Information:
Debian Release: bullseye/sid
  APT prefers focal-updates
  APT policy: (500, 'focal-updates'), (500, 'focal-security'), (500, 'focal'), 
(100, 'focal-backports')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.4.0-40-generic (SMP w/4 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_GB:en (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/bash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages lightdm depends on:
ii  adduser                3.118ubuntu2
ii  bash                   5.0-6ubuntu1
ii  dbus                   1.12.16-2ubuntu2.1
ii  debconf [debconf-2.0]  1.5.73
ii  dpkg                   1.19.7ubuntu3
ii  libc6                  2.31-0ubuntu9
ii  libgcrypt20            1.8.5-5ubuntu1
ii  libglib2.0-0           2.64.3-1~ubuntu20.04.1
ii  libglib2.0-bin         2.64.3-1~ubuntu20.04.1
ii  libpam-modules         1.3.1-5ubuntu4
ii  libpam-runtime         1.3.1-5ubuntu4
ii  libpam0g               1.3.1-5ubuntu4
ii  libxcb1                1.14-2
ii  libxdmcp6              1:1.1.3-0ubuntu1
ii  plymouth               0.9.4git20200323-0ubuntu6

Versions of packages lightdm recommends:
ii  lightdm-gtk-greeter [lightdm-greeter]  2.0.6-0ubuntu1
ii  xserver-xorg                           1:7.7+19ubuntu14

Versions of packages lightdm suggests:
pn  bindfs  <none>

-- debconf information:
  lightdm/daemon_name: /usr/sbin/lightdm
  shared/default-x-display-manager: lightdm

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