Starting emulator for AVD 'AVD_for_Galaxy_Nexus'
X Error of failed request: BadRequest (invalid request code or no such operation)
Major opcode of failed request: 135 (GLX)
Minor opcode of failed request: 19 (X_GLXQueryServerString)
Serial number of failed request: 12
Current serial number in output stream: 12
在virtualbox里的ubuntu中启动android虚拟机的时候，报以上错误，不知道如何修改。
机器显卡是：Intel(R) HD Graphics 4000
ubuntu 里的驱动选的的是：Oracle VM VirtualBox Graphics Card
