On 06/05/2015 04:18 AM, Jerry Geis wrote: > when I debug: > gdb program > break main > run > I get a seg fault at or before main > > What might I be looking for in this case? Even if it segfaults before main(), you should be able to examine the stack to see what's going on. Beyond that, any advice we give you would be blind guessing. My blind guess would be a symbol conflict between your application and glibc.