On Mon, 15 Jul 2013 21:59:09 -0600 Oscar Dario Trujillo Tejada <oscardt19 at gmail.com> wrote: > Sorry about this but, I dont know a better place to send it > please read the bug report that I put in archlinux bug tracker > > https://bugs.archlinux.org/task/36155?project=1&cat%5B0%5D=10&string=xf86-video-intel > I am far from equipped to debug ddx problems without debug symbols, though Chris can probably make something of it when he wakes up. Generally you should file bugs on bugs.freedesktop.org - with more or less what you included. See: https://01.org/linuxgraphics/documentation/how-report-bugs-0 I will say that if it is indeed cpuid related - I am going to have a good, long, laugh. But from the CompositePicture in the bt, I assume it's unlikely.