@Colin: I'm experiencing the same issue. Installing updates to 14.04LTS on my laptop in early December has made the GUI on my computer unusable as well. It's a ThinkPad, I think with a stock Intel video chipset in it. Here is the output of my .xsession-errors file:
Script for auto started at run_im. Script for default started at run_im. init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd respawning too fast, stopped init: gnome-session (Unity) main process (11515) terminated with status 1 init: logrotate main process (11404) killed by TERM signal init: update-notifier-crash (/var/crash/_usr_bin_nm-applet.104.crash) main process (11451) killed by TERM signal init: indicator-bluetooth main process (11638) killed by TERM signal init: indicator-power main process (11640) killed by TERM signal init: indicator-datetime main process (11641) killed by TERM signal init: indicator-session main process (11655) killed by TERM signal init: indicator-application main process (11671) killed by TERM signal init: Disconnected from notified D-Bus bus -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to at-spi2-core in Ubuntu. https://bugs.launchpad.net/bugs/1228567 Title: at-spi2 daemon error messages in .xsession-errors Status in at-spi2-core package in Ubuntu: Fix Released Bug description: Sometimes I get the following messages in .xsession-errors init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd respawning too fast, stopped I use a Lenovo Thinkpad Twist convertible with touch screen, using Onboard in tablet mode. Can perhaps have a relation with bug 1227173. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/at-spi2-core/+bug/1228567/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
