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On my Intel integrated graphics touchscreen with Ubuntu 10.04 LTS, after an apt-get upgrade from 10.04.1 LTS to 10.04.4 LTS, sudo less /var/log/gdm/:0-slave.log shows 3 lines, the first being: gdm-session-worker[1040]: GLIB-GObject-CRITICAL: g_value_get_boolean: assertion 'G_VALUE_HOLDS_BOOLEAN (value)' failed.

I rebooted and still ended up at a blank black screen with an undecorated white terminal window in the upper left corner. Ctrl+Alt+F1 to login at a text console and sudo ps x |grep gdm show gdm-binary, gdm-simple-slave, and X auth gdm aotaIM or something, and gdm-session-worker running.

sudo service gdm restart merely restarts the same X session. How do i get my Gnome taskbar etc. back?

sudo service gdm stop && startx almost works (my taskbar doesn't appear when i press Alt+F1), but how should i fix it properly?

xterm$ gdmsetup
xterm$ cat /etc/gdm/custom.conf
[daemon]
AutomaticLoginEnable=true
AutomaticLogin=b
TimedLoginEnable=true
TimedLogin=b
TimedLoginDelay=10
xterm$ sudo nano /etc/gdm/custom.conf
xterm$ cat /etc/gdm/custom.conf
[daemon]
AutomaticLoginEnable=true
AutomaticLogin=b
TimedLoginEnable=true
TimedLogin=b
TimedLoginDelay=10
DefaultSession=gnome
xterm$ sudo reboot

No difference. gdmsetup still won't unlock. When ran with sudo, the unlock button greys out but i still can't change the settings.

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1 Answer

up vote 1 down vote accepted

I fixed it thanks to http://askubuntu.com/a/42954/42522

sudo apt-get install --reinstall gnome-session

Apparently removing Evolution before the upgrade also removed some critical components.

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