成功升级到 14.04 后，现在当我尝试使用管理员 ID 登录时，它会循环回到登录页面并且不加载我的会话。甚至客人也不工作。当我输入错误的管理员密码时，它显示无效的密码标签。
文件名 ~/.xsession-errors 显示以下错误
Xlib: extension "GLX" missing on display ":0".
Script for ibus started at run_im.
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, …