On my 64-bit Ubuntu box, I got this error when I tried to login to scratchbox after following the instructions here. Fortunately there was a hint on how to solve it here.

The trick was to add:

abi.vsyscall32 = 0

To my /etc/sysctl.conf file:

~$ sudo gedit /etc/sysctl.conf

and then running

~$ sudo sysctl -p