The Call Stack Debugging Window

[Gamer_2k4]

When debugging and looking at the call stack window, I noticed that all of the functions are listed as ??().  Assuming that this isn't correct behavior, how do I get more meaningful output? (main(), etc. instead of ??() )

[mandrav]

This can happen in two cases:

• Your program has stopped/crashed inside a library/kernel call and you don't have the debugging symbols for it
  
• Your program has a bug that messed up the stack, which makes it invalid/unreliable