Package: lightdm
Version: 1.26.0-3
Severity: grave
Justification: renders package unusable

Dear Maintainer,

On my buster/sid system, LightDM hangs indefinitely on first login until
entropy is generated via mouse or keyboard input.
The login process seems to be delayed by the kernel itself, until the following
lines appear in journalctl:

kernel: random: crng init done
kernel: random: 7 urandom warning(s) missed due to ratelimiting

Installing the haveged package fixes the issue, as mentioned in the following
thread:
https://unix.stackexchange.com/questions/442698/when-i-log-in-it-hangs-until-
crng-init-done

This issue also seems related to bug #897572



-- System Information:
Debian Release: buster/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.18.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), 
LANGUAGE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages lightdm depends on:
ii  adduser                                3.118
ii  dbus                                   1.12.10-1
ii  debconf [debconf-2.0]                  1.5.69
ii  libaudit1                              1:2.8.4-2
ii  libc6                                  2.27-6
ii  libgcrypt20                            1.8.3-1
ii  libglib2.0-0                           2.58.1-2
ii  libpam-systemd                         239-10
ii  libpam0g                               1.1.8-3.8
ii  libxcb1                                1.13-3
ii  libxdmcp6                              1:1.1.2-3
ii  lightdm-gtk-greeter [lightdm-greeter]  2.0.5-1
ii  lsb-base                               9.20170808

Versions of packages lightdm recommends:
ii  xserver-xorg  1:7.7+19

Versions of packages lightdm suggests:
pn  accountsservice  <none>
ii  upower           0.99.8-2
pn  xserver-xephyr   <none>

-- Configuration Files:
/etc/lightdm/lightdm.conf changed [not included]

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

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