On Thu, Jun 3, 2010 at 5:21 PM, Christopher Zimmermann <madro...@zakweb.de> wrote: > Are you sure this is a problem in kernel? Christopher Linn and I only > experience this problem with gtk2 apps. How could the kernel know wether the > current focus is on a gtk2 window?
Because the kernel is responsible for saving and restoring FPU state, which is pretty high on the list of suspected trouble makers.
