RevertingIntelDriverTo2.4

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Revision 4 as of 2009-04-15 13:39:28
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||<rowbgcolor="#cccccc"> [8086:2a02] (rev 03) || Slightly worse || Laurent || With the normal Jaunty driver, at least with no open Windows, the Compiz effects were fluid. Now, I experiment lack of performances even with no open windows. Apart of that, no change (even after reboot). ||

The problem

As Described in X/Troubleshooting/IntelPerformance, some laptops with intel graphics hardware experience a serious performance degration after upgrading from intrepid to jaunty. The reasons for that are already explained on that page. This page explains how to revert the driver to the version in intrepid.

Installing the package

Add the following lines to your /etc/apt/sources.list:

 deb http://ppa.launchpad.net/siretart/ppa/ubuntu jaunty main
 deb-src http://ppa.launchpad.net/siretart/ppa/ubuntu jaunty main

See https://help.launchpad.net/Packaging/PPA#Adding%20a%20PPA%20to%20your%20Ubuntu%20repositories for additional information how to add GPG keys to your system.

Install the driver:

 $ sudo apt-get install xserver-xorg-video-intel-2.4

Now you should be set. Restart X and see if the graphics performance from intrepid is restored.

Results

If you have tested the package, please report your findings (broken|same|better) and also your PCI ID:

  lspci -nn | grep VGA

HARDWARE

RESULT

WHO

COMMENTS

[8086:27a2] (rev 03)

Performance restored

siretart

compiz/3d performance is comparable to intrepid, even planet-penguin-racer is playable again

[8086:2a42] (rev 07)

Performance improved

Lure

much better performance than 2.6 driver with EXA+greedy or UXA, only problem is that it gets physical size of my 12.1" panel wrong (have to use xrandr --fbmm to fix it manually)

[8086:2a02] (rev 03)

Slightly worse

Laurent

With the normal Jaunty driver, at least with no open Windows, the Compiz effects were fluid. Now, I experiment lack of performances even with no open windows. Apart of that, no change (even after reboot).

ReinhardTartler/X/RevertingIntelDriverTo2.4 (last edited 2010-02-21 17:25:28 by robolivares)