Based on the time of the crash and the timestamps of the files in /var/log, the relevant logfile is actaully Xorg.1.log so I am attaching that file. I am using a dual-monitor setup if that offers any clues.
** Attachment added: "Xorg.1.log" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/909874/+attachment/2722915/+files/Xorg.1.log -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/909874 Title: eog causes X to crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/909874/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

