[Bug 370231] [NEW] Unbearably slow full-screen video playback, Compiz disabled, extremely slow and jumpy backward scrolling in FireFox presumably due to absents of proprietary drivers for Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller

[Radomirs Cirskis]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

After upgrading to 9.04 from 8.x performance has been degraded:
- Proprietary drivers for Intel 945GM/GMS, 943/940GML (00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) ) disappeared;
- Compiz is disabled;
- Moving windows in Gnome is jumpy and slow.
- Especialy it is noticeable in FF 3.0 wiht scrolling. Beckward scrolly labs immensly;

I was unsuccessful both with "MigrationHeuristic" "greedy"  and with
downgrading to the drivers 2.4
(https://wiki.ubuntu.com/ReinhardTartler/X/RevertingIntelDriverTo2.4)

My /etc/X11/xorg.conf:

Section "Device"
	Identifier	"Configured Video Device"
	Driver "intel"
        Option "AccelMethod" "EXA"
        Option "MigrationHeuristic" "greedy"
EndSection

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/yelp
Package: yelp 2.25.1-0ubuntu5
ProcEnviron:
 LANG=en_NZ.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
Uname: Linux 2.6.28-11-generic i686

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


** Tags: apport-bug i386

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Unbearably slow full-screen video playback, Compiz disabled, extremely slow and jumpy backward scrolling in FireFox presumably due to absents of proprietary drivers for Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller
https://bugs.launchpad.net/bugs/370231
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