This has been bisected down to this commit in pixman where the problems with notify-osd started
http://cgit.freedesktop.org/pixman/commit/?id=1cc750ed92a936d84b47cac696aaffd226e1c02e
This has been bisected down to this commit in pixman where the problems with notify-osd started
http:// cgit.freedeskto p.org/pixman/ commit/ ?id=1cc750ed92a 936d84b47cac696 aaffd226e1c02e