ISO C demands that at process startup all FPU traps are masked. You can set specific traps with the functions in <fenv.h> from the C library, for details read the manual: info libc Andreas -- Andreas Jaeger SuSE Labs [EMAIL PROTECTED] private [EMAIL PROTECTED] http://www.suse.de/~aj - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/