This is also affecting me. Operations that reproduce this are:
Trying to open a chat (messaging) window in Skype 4.0.0.8-0oneiric1 ( installed from software center) Trying to navigate save directories in K3b 2.0.2-3ubuntu4 opening virtualbox 4.1.12-dfsg-2ubuntu0.2 My computer: Ubuntu 12.04 x86_64 xorg 1:7.6+12ubuntu1 nvidia-current-updates 304.43-0ubuntu0.1 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/999191 Title: X crashes with gnome-session: Fatal IO error 11 To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/999191/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp