I'm having this problem also, I'm using Arch Linux and compiz-bzr AUR package (It's lp:compiz), and I'm using emerald, with gtk-window-decorator it's also occur.
I'm having this problem also, I'm using Arch Linux and compiz-bzr AUR package (It's lp:compiz), and I'm using emerald, with gtk-window- decorator it's also occur.