On a side note, after being forced to use TwinView (two monitors instead of 3) due to this bug, I noticed that Xinerama is noticeably slower in responsiveness. Especially when switching virtual desktops, which I have 6 in total across 3 monitors. Switching between virtual desktops I can see applications redrawing, which can often take 1.0-5.0 seconds (counting in my head) depending on the application. When I was using just TwinView there was no noticeable redraw lag at all.
This is with KDE, but using all sorts of different apps, from Konsole, to Chrome, to Java applications.
JMason's solution fixed the issue for me too.
On a side note, after being forced to use TwinView (two monitors instead of 3) due to this bug, I noticed that Xinerama is noticeably slower in responsiveness. Especially when switching virtual desktops, which I have 6 in total across 3 monitors. Switching between virtual desktops I can see applications redrawing, which can often take 1.0-5.0 seconds (counting in my head) depending on the application. When I was using just TwinView there was no noticeable redraw lag at all.
This is with KDE, but using all sorts of different apps, from Konsole, to Chrome, to Java applications.
Has anyone else noticed this?