Bug in libc?

I ran the following piece of code through valgrind 3.0.0 on my Debian/testing pure amd64: #include int main(int argc, char** argv) { struct hostent* hp; char* hostn = "diesel"; hp = gethostbyname(hostn); return 0; } When I compile and link the code with gcc-3.3 and run it with valgr

Mostly 32-bit possible?

I'm considering the purchase of a dual-opteron rig and have some questions. In general I don't care about anything being 64-bit, except my own applications. These are scientific applications developed using MPICH (g++-3.3 + MPICH MPI libraries). Is it feasible/possible to just install the 32-bit "t