This is most probably a bug in the graphics driver, since it doesn't generally happen for other drivers.
** Visibility changed to: Public ** This bug is no longer flagged as a security issue ** Changed in: ubiquity (Ubuntu) Sourcepackagename: ubiquity => xserver-xorg-video-mga -- Xubuntu login screen shows flashback of previous session after logout. https://launchpad.net/bugs/59237 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs