[Bug 370231] Re: 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

[Geir Ove Myhr]

** Changed in: xserver-xorg-video-intel (Ubuntu)
       Status: Incomplete => Confirmed

** Description changed:

  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
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
+ 	Subsystem: Dell Device [1028:01d6]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
+ 	Subsystem: Dell Device [1028:01d6]

** Tags added: 945gm intel performance xorg

-- 
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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