this is sudo cat /proc/kmsg as described in https://help.ubuntu.com/community/DebuggingSystemCrash
** Attachment added: "sudo cat /proc/kmsg" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/778490/+attachment/2156251/+files/catProcKmsg.txt -- 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/778490 Title: Random logout after upgrading to Natty Narwhal 11.04 _______________________________________________ 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