This issue is fixed for 4.5.2, i have tested on an old power pc G4 and it should work. Please clear your cache in .kde4/share-*/kpc/plasma_* -- Icons are inverted on powerpc https://bugs.launchpad.net/bugs/374217 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to qt4-x11 in ubuntu.