Happened always when maximize windows with option "Keep previews of minimized windows" turned ON in Workaround plugin in compiz. Also I didn't see that previewing minimized windows works (Ubuntu 11.04 and Mint 11), so I turned this off and for now I didn't see white window.
Happened always when maximize windows with option "Keep previews of minimized windows" turned ON in Workaround plugin in compiz. Also I didn't see that previewing minimized windows works (Ubuntu 11.04 and Mint 11), so I turned this off and for now I didn't see white window.