Comment 34 for bug 217868

Exactly! The same issue I noticed too. I spent hours investigating that. This is an issue with the Ubuntu and few other Linux distributions' core. Not an average normal user would find that but if you're an advanced user and you use rdesktop regularly you'll see a lot of ill behaviours of rdesktop in all Linux distros.
For me Linux is just a server OS far away from the needs of today's power desktop users and Ubuntu needs to learn more discipline in better desktop computing cause of the proclaims it made. Its not just the rdesktop but other tools as well which wastes hundreds of hours of thousands of users each day battling around their ways and finding the fixes for such 'lost' bugs like this one! :P
This is why I switched back to Windows. I do use Ubuntu but only as a server operating system and appreciate its stability for a few servers rolling tools its currently running in, just because have don't much time to do more to fix such sort of issues unfortunately which I was facing every minute when I had it.