glitch-out on Ubuntu on VirtualBox on windows 8

Minecraft Launcher 1.4.4 (through bootstrap 5) started on linux...
Current time is Jun 30, 2014 9:55:33 PM
('os.name') == 'Linux'
('os.version') == '3.13.0-24-generic'
('os.arch') == 'amd64'
('java.version') == '1.8.0_05'
('java.vendor') == 'Oracle Corporation'
('sun.arch.data.model') == '64'