Comment 0 for bug 1627977

Configuration:
PC: Dell-Vostro-260s,HP-Pavilion-Sleekbook-15-PC
OS: UK16.04-daily-0921(beta2)-amd64&i386
APP: Kylin greeter

The login screen showed abnormal.

【登录界面】登录界面选中某账户进入密码输入界面，点击“Esc”返回主界面时显示有问题，移动光标显示才能恢复正常。