Hi, When I try to compile disksim on a 64bit machine running 2.6.9-67.0.4.ELsmp, it gives me the following error: make[1]: *** No rule to make target `/usr/include/gnu/stubs-32.h', needed by `mech_g1_seektime.o'. Stop. It compiles fine on a 32bit machine. Any help will be appreciated. Thanks