[Bug 318494] [NEW] xserver locks up with intel 845G

[blazerw]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

Basically, installation of the Intel driver is done using the basic empty xorg.conf file. However, for the 845G, X cannot start this way on Ubuntu. Adding any of the following options to xorg.conf will make it work:
Option "DRI" "false"
Option "EXANoComposite" "true"
Option "NoAccel" "true"

NoAccel to true seems like it will absolutely, always work, but produces a very sluggish X.
DRI to false seems to always work, but I can't be as confident in it as NoAccel. Nice and Snappy X.
EXANoComposite to true "worksforme", but I've seen references to it not working. It produces an X desktop that is indistinguishable from DRI to false.

When installing Ubuntu Jaunty and an Intel 845G (reported as "Intel
Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device
rev 3") is detected, the installation should add one of the above
xorg.conf options.

I will include xorg.conf (note it has many options in it that are remarked out).
I will include Xorg.0.log.bad (for a crashed session).
I will include Xorg.0.log.good (for a good session using 'Option "EXANoComposite" "true"')

Release:
Description:	Ubuntu jaunty (development branch)
Release:	9.04

Package Versions:
xserver-xorg-video-intel: 2:2.5.1-1ubuntu7
xserver-xorg: 1:7.4-5ubuntu10
FYI: X.org X Server 1.5.99.3

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

-- 
xserver locks up with intel 845G
https://bugs.launchpad.net/bugs/318494
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