screen freezing

[Mumia W.]

Sevil Sen wrote:
> Hi,
> I've installed ubuntu 8.04 on my laptop (dell inspiron 700m). Everthing 
> seems working all right. However, the screen sometimes freezes and  i cannot 
> do anything more than pressing turn-off. i had a similar problem before when 
> i was trying to turn off/restart the computer. I've solved it by adding the 
> line  -Option "ForceEnablePipeA" "true"- to the xorg.conf under the Section 
> "Device". Thank you for your reply in advance.
> 
> Section "Device"
>     Identifier "Configured Video Device"
>         Driver "intel"
>         Option "ForceEnablePipeA" "true"
> EndSection
> 
> 

On my computer, direct rendering causes frequent lockups, and I have to 
reset when that happens. To disable direct rendering, I added this 
section to my /etc/X11/xorg.conf :

Section "Module"
	Disable		"dri"
EndSection