Just great. vm86.h is exactly the same in glibc 2.2.4 and 2.3.1. The only thing that changes is that since both include <asm/vm86.h>, that gets taken from the current kernel. So, to the guy that said that 2.2.4 worked maybe it was because it was compiled with a different kernel than in 2.2.5 Francisco J. León A. VII Semestre de Lic. en Computación Maracaibo, Edo. Zulia, Venezuela