[Pkg-xfce-devel] Bug#762731: lightdm: issues strange error message when requested to start but is non-default dm

Yann Dirson ydirson at free.fr
Wed Sep 24 19:17:01 UTC 2014


Package: lightdm
Version: 1.10.1-3
Severity: normal

kdm is the default dm here, and I just switched from systemd.  When
hunting various dm issues, I found that asking lightdm to start
results in the following unexpected error (it does start as expected
when set to be the default, however).  It should surely check the
default dm settings, like eg. xdm does, and does not even attempt to
start.

# service lightdm start
Job for lightdm.service failed. See 'systemctl status lightdm.service' and 'journalctl -xn' for details.
# systemctl status lightdm.service
lightdm.service - Light Display Manager
   Loaded: loaded (/lib/systemd/system/lightdm.service; enabled)
   Active: failed (Result: start-limit) since mer. 2014-09-24 21:13:26 CEST; 1min 55s ago
     Docs: man:lightdm(1)
  Process: 8079 ExecStartPre=/bin/sh -c [ "$(cat /etc/X11/default-display-manager 2>/dev/null)" = "/usr/sbin/lightdm" ] (code=exited, status=1/FAILURE)
 Main PID: 7122 (code=exited, status=0/SUCCESS)

sept. 24 21:13:25 home systemd[1]: Failed to start Light Display Manager.
sept. 24 21:13:25 home systemd[1]: Unit lightdm.service entered failed state.
sept. 24 21:13:26 home systemd[1]: lightdm.service holdoff time over, scheduling restart.
sept. 24 21:13:26 home systemd[1]: Stopping Light Display Manager...
sept. 24 21:13:26 home systemd[1]: Starting Light Display Manager...
sept. 24 21:13:26 home systemd[1]: lightdm.service start request repeated too quickly, refusing to start.
sept. 24 21:13:26 home systemd[1]: Failed to start Light Display Manager.
sept. 24 21:13:26 home systemd[1]: Unit lightdm.service entered failed state.


-- System Information:
Debian Release: jessie/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (101, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages lightdm depends on:
ii  adduser                                3.113+nmu3
ii  consolekit                             0.4.6-4
ii  dbus                                   1.8.6-2
ii  debconf [debconf-2.0]                  1.5.53
ii  libc6                                  2.19-11
ii  libgcrypt11                            1.5.4-3
ii  libglib2.0-0                           2.40.0-5
ii  libpam-systemd                         208-8
ii  libpam0g                               1.1.8-3.1
ii  libxcb1                                1.10-3
ii  libxdmcp6                              1:1.1.1-1
ii  lightdm-gtk-greeter [lightdm-greeter]  1.8.5-1

Versions of packages lightdm recommends:
ii  xserver-xorg  1:7.7+7

Versions of packages lightdm suggests:
pn  accountsservice  <none>
ii  upower           0.99.1-3

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



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