This happened to me before installing Chromium, so likely not Chromium- related. Last time it occurred I opened a Google result in Firefox 4. I also remember it happening when I changed the wallpaper.
I'm using 64bit Unity on Lenovo Ideapad U350 with Core 2 Duo and integrated Intel graphics. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/778490 Title: Random logout after upgrading to Natty Narwhal 11.04 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs