環境：Ubuntu 9.04
我的筆記本的Intel集成顯卡的型號是Intel Cooperation Mobile 945GM。如果完全按照上面的方法配置會導致播放電影是屏幕定住(freeze)，鼠標和鍵盤都不響應(SysReq都不起作用)。我把原xorg.conf配置文件中的
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Option “AccelMethod” “UXA”
Option “AccelMethod” “UXA”
去掉之後，這個問題就解決了。
但還有另一個問題，就是我按Ctrl+Alt+Fx(x=1,2,...,6)不能切換到其他的終端。目前這個問題還沒解決。
附：
I believe a lot folks have the same problem as I have - the performance of intel graphic card is very low in ubuntu 9.04.
Some people say enabling UXA can solve the problem. But I found UXA is very unstable.
What you are expected to do is to update the kernel to 2.6.30 or later version.
Choose one version here.
http://kernel.ubuntu.com/~kernel-ppa/mainline/
download and install the packages in order as below
linux-headers-2.6.30-020630_2.6.30-020630_all.deb
linux-headers-2.6.30-020630rc5-generic_2.6.30-020630_i386.deb
linux-image-2.6.30-020630rc5-generic_2.6.30-020630_i386.deb
then reboot your system.
