I also have this issue. Some more info: After logging in in gdm I have a dual-monitor desktop set up as windows can be dragged (partially) over the second screen. Also the mouse cursor can go anywhere on both monitors. The problem is that somehow the window manager does not allow you to drag a window to the second screen completely. It actually responds as if there were only one screen available. So you are stuck where the dragging mouse cursor should pass over to the second screen.
The workaround I use is opening "configure display settings" enable mirror, apply, disable mirror, apply. But I have to do this after every login. Somehow the correct configuration is not saved. lspci -nn | grep VGA 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV610 [Radeon HD 2400 XT] [1002:94c1] Using the fglrx driver as provided with 9.10 Appearance preferences - visual effects set to None Setting up dual monitor using the "configure display settings" tray icon -- At startup, can't drag windows between dual monitors (Intel graphics on T61) https://bugs.launchpad.net/bugs/322921 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs