On Tue, Nov 13, 2012 at 01:12:09PM +0000, Jaap Boender wrote: > Compiling with -march=core2 -msse3 -mfpmath=sse works fine, so it's probably > SSE4 or something like that. Stupid question: are you talking about compiling the kernel with that flags, or compiling (parts/all of) userland? Martin