Bug#721388: gdm3 no longer starts the default session

Vincent Lefevre vincent at vinc17.net
Sat Aug 31 00:09:28 UTC 2013


Package: gdm3
Version: 3.4.1-9
Severity: grave
Justification: renders package unusable

When I last logged in on 2013-08-27, evenrything was OK. But when
I came back at my office on 2013-08-30, fvwm was no longer reading
my config file. After some search, I could see that .xsession-errors
contained:

/etc/gdm3/Xsession: Beginning session setup...
/home/vlefevre/.Xresources:1:18: warning: missing terminating ' character [enabled by default]
 ! Vincent Lef�vre's .Xresources
                  ^
localuser:vlefevre being added to access control list
openConnection: connect: No such file or directory
cannot connect to brltty at :0

On another machine, with very similar config, I get:

/etc/gdm3/Xsession: Beginning session setup...
/home/vinc17/.Xresources:1:18: warning: missing terminating ' character [enabled by default]
 ! Vincent Lef�vre's .Xresources
                  ^
localuser:vinc17 being added to access control list
/home/vinc17/.xsession (.xinitrc) started
[...]

The "/home/vinc17/.xsession (.xinitrc) started" line is output
by my .xsession script. This means that on the first machine,
this file is no longer executed.

Then I looked at the /var/log/syslog* files, and I could see a
difference, e.g. before I left:

Aug 26 13:13:40 ypig gdm3][12024]: DEBUG(+): GdmSessionWorker: start program: /etc/gdm3/Xsession "default"

Aug 27 12:01:33 ypig gdm3][24527]: DEBUG(+): GdmSessionWorker: start program: /etc/gdm3/Xsession "default"

and when I came back:

Aug 30 17:07:39 ypig gdm3][22605]: DEBUG(+): GdmSessionWorker: start program: /etc/gdm3/Xsession "fvwm2"

Aug 30 17:10:41 ypig gdm3][31341]: DEBUG(+): GdmSessionWorker: start program: /etc/gdm3/Xsession "fvwm2"

Aug 30 17:11:11 ypig gdm3][32473]: DEBUG(+): GdmSessionWorker: start program: /etc/gdm3/Xsession "fvwm2"

4 config files under /etc/X11 were changed during package upgrades
after my login on 2013-08-27:

-rw-r--r-- 1   20506 2013-08-27 12:07:33 /etc/X11/fvwm/menudefs.hook
-rw-r--r-- 1   16459 2013-08-27 12:07:33 /etc/X11/icewm/programs
-rw-r--r-- 1   14127 2013-08-27 12:07:33 /etc/X11/twm/menudefs.hook
-rw-r--r-- 1   16810 2013-08-27 12:07:33 /etc/X11/twm/system.twmrc

and nothing under /etc/gdm3.

I can also see in the logs about fvwm:

Aug 30 15:00:56 ypig gdm-simple-slave[25279]: DEBUG(+): GreeterServer: SelectSession: Fvwm

Aug 30 17:07:39 ypig gdm3][22605]: DEBUG(+): GdmSessionWorker: session name set to Fvwm

Aug 30 17:07:39 ypig gdm-simple-slave[25279]: DEBUG(+): GdmSessionDirect: looking for session file 'Fvwm.desktop'

Aug 30 17:07:39 ypig gdm3][22605]: DEBUG(+): GdmSessionWorker: set env: GDMSESSION = Fvwm

Aug 30 17:07:39 ypig gdm3][22605]: DEBUG(+): GdmSessionWorker: set env: DESKTOP_SESSION = Fvwm

They were not present before.

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.10-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gdm3 depends on:
ii  accountsservice                             0.6.34-1
ii  adduser                                     3.113+nmu3
ii  aterm [x-terminal-emulator]                 1.0.1-8
ii  dconf-gsettings-backend                     0.16.1-1
ii  dconf-tools                                 0.16.1-1
ii  debconf [debconf-2.0]                       1.5.51
ii  fvwm [x-window-manager]                     1:2.5.30.ds-1.1+local1
ii  gir1.2-freedesktop                          1.36.0-2+b1
ii  gir1.2-glib-2.0                             1.36.0-2+b1
ii  gnome-session [x-session-manager]           3.4.2.1-4
ii  gnome-session-bin                           3.4.2.1-4
ii  gnome-session-fallback [x-session-manager]  3.4.2.1-4
ii  gnome-settings-daemon                       3.4.2+git20121218.7c1322-6+b2
ii  gnome-terminal [x-terminal-emulator]        3.8.3-1
ii  gsettings-desktop-schemas                   3.4.2-3
ii  icewm [x-window-manager]                    1.3.7-5
ii  libaccountsservice0                         0.6.34-1
ii  libatk1.0-0                                 2.8.0-2
ii  libattr1                                    1:2.4.47-1
ii  libaudit0                                   1:1.7.18-1.1
ii  libc6                                       2.17-92
ii  libcairo-gobject2                           1.12.14-5+local1
ii  libcairo2                                   1.12.14-5+local1
ii  libcanberra-gtk3-0                          0.30-2
ii  libcanberra0                                0.30-2
ii  libdbus-1-3                                 1.6.12-1
ii  libdbus-glib-1-2                            0.100.2-1
ii  libfontconfig1                              2.10.2-2
ii  libgdk-pixbuf2.0-0                          2.28.2-1
ii  libglib2.0-0                                2.36.4-1
ii  libglib2.0-bin                              2.36.4-1
ii  libgtk-3-0                                  3.8.2-3
ii  libpam-modules                              1.1.3-9
ii  libpam-runtime                              1.1.3-9
ii  libpam0g                                    1.1.3-9
ii  libpango-1.0-0                              1.32.5-5+b1
ii  libpangocairo-1.0-0                         1.32.5-5+b1
ii  librsvg2-common                             2.36.4-2
ii  libselinux1                                 2.1.13-2
ii  libupower-glib1                             0.9.21-2
ii  libwrap0                                    7.6.q-24
ii  libx11-6                                    2:1.6.1-1
ii  libxau6                                     1:1.0.8-1
ii  libxdmcp6                                   1:1.1.1-1
ii  libxklavier16                               5.2.1-1
ii  libxrandr2                                  2:1.4.1-1
ii  lsb-base                                    4.1+Debian12
ii  metacity [x-window-manager]                 1:2.34.13-1
ii  policykit-1-gnome                           0.105-2
ii  roxterm-gtk3 [x-terminal-emulator]          2.7.2-1
ii  rxvt-unicode [x-terminal-emulator]          9.18-2
ii  twm [x-window-manager]                      1:1.0.6-1
ii  upower                                      0.9.21-2
ii  x11-common                                  1:7.7+3
ii  x11-xserver-utils                           7.7~3
ii  xfce4-terminal [x-terminal-emulator]        0.6.2-3
ii  xterm [x-terminal-emulator]                 295-1

Versions of packages gdm3 recommends:
ii  at-spi2-core               2.9.5-1
ii  desktop-base               7.0.3
ii  gnome-icon-theme           3.8.2-2
ii  gnome-icon-theme-symbolic  3.8.2.2-2
ii  x11-xkb-utils              7.7~1
ii  xserver-xephyr             2:1.12.4-6.2+b1
ii  xserver-xorg               1:7.7+3
ii  zenity                     3.8.0-1

Versions of packages gdm3 suggests:
ii  gnome-orca            3.4.2-2
ii  gnome-shell           3.4.2-15
ii  libpam-gnome-keyring  3.8.2-2

-- Configuration Files:
/etc/gdm3/daemon.conf changed:
[daemon]
[security]
[xdmcp]
[greeter]
[chooser]
[debug]
Enable = true

/etc/gdm3/greeter.gsettings changed:
[org.gnome.desktop.session]
session-name='gdm-fallback'
[org.gnome.login-screen]
logo='/usr/share/icons/gnome/48x48/places/debian-swirl.png'
fallback-logo='/usr/share/icons/gnome/48x48/places/debian-swirl.png'
[org.gnome.power-manager]
icon-policy='never'
[org.gnome.desktop.sound]
event-sounds=false
[org.gnome.metacity]
compositing-manager=false
[org.gnome.desktop.wm.preferences]
num-workspaces=1


-- debconf information:
* shared/default-x-display-manager: gdm3
  gdm3/daemon_name: /usr/sbin/gdm3



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