Bug#735001: gdm3 start gnome-shell normal whith Default Xsession instead of gnome-session path

[Marian]

Package: gdm3
Version: 3.8.4-6
Severity: normal

dpkg -S /usr/share/xsessions/lightdm-xsession.desktop
This file is added on gdm3 and whit this gnome-shell start normal instead of
dpkg -S /usr/share/gnome-session/sessions/gnome-session file.
I do not want to parse lightdm file.



-- System Information:
Debian Release: jessie/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.12-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gdm3 depends on:
pn  accountsservice                        <none>
pn  adduser                                <none>
pn  dconf-cli                              <none>
pn  dconf-gsettings-backend                <none>
pn  debconf | debconf-2.0                  <none>
pn  gir1.2-gdm3                            <none>
pn  gnome-session-bin                      <none>
pn  gnome-settings-daemon                  <none>
pn  gnome-shell                            <none>
pn  gsettings-desktop-schemas              <none>
ii  kde-window-manager [x-window-manager]  4:4.11.3-2+b2
pn  libaccountsservice0                    <none>
pn  libatk1.0-0                            <none>
pn  libaudit1                              <none>
pn  libc6                                  <none>
pn  libcairo-gobject2                      <none>
pn  libcairo2                              <none>
pn  libcanberra-gtk3-0                     <none>
pn  libcanberra0                           <none>
pn  libgdk-pixbuf2.0-0                     <none>
pn  libgdm1                                <none>
pn  libglib2.0-0                           <none>
pn  libglib2.0-bin                         <none>
pn  libgtk-3-0                             <none>
pn  libpam-modules                         <none>
pn  libpam-runtime                         <none>
pn  libpam-systemd                         <none>
pn  libpam0g                               <none>
pn  libpango-1.0-0                         <none>
pn  libpangocairo-1.0-0                    <none>
pn  librsvg2-common                        <none>
pn  libselinux1                            <none>
pn  libwrap0                               <none>
pn  libx11-6                               <none>
pn  libxau6                                <none>
pn  libxdmcp6                              <none>
pn  libxrandr2                             <none>
pn  lsb-base                               <none>
pn  upower                                 <none>
pn  x11-common                             <none>
pn  x11-xserver-utils                      <none>

Versions of packages gdm3 recommends:
ii  at-spi2-core               2.10.2-2
pn  desktop-base               <none>
pn  gnome-icon-theme           <none>
pn  gnome-icon-theme-symbolic  <none>
pn  x11-xkb-utils              <none>
pn  xserver-xephyr             <none>
pn  xserver-xorg               <none>
pn  zenity                     <none>

Versions of packages gdm3 suggests:
pn  gnome-orca            <none>
pn  libpam-gnome-keyring  <none>

-- Configuration Files:
/etc/gdm3/greeter.gsettings changed:
[org.gnome.desktop.session]
session-name='gdm-shell'
[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'


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