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[bijwaard <741284@xxxxxxxxxxxxxxxxxx>]

Just installed Natty Narwall, here are the updated performance numbers
- with Xephyr: my GUI with 10xmathplot 28%, Xephyr 24%, Xorg 7%, CPU
- native X: my GUI with 10xmathplot 10%, Xorg 97% CPU

I'll run apport-collect for this bug-number now the laptop is upgraded
to natty.


** Tags added: natty ubuntu

** Description changed:

  Binary package hint: xorg
  
  I recently upgraded to Maverick and since then the graphics performance of certain 2D programs severely degraded. Especially programs that use wxMathplot with real-time plot updates are affected and show very high CPU on the xorg process and much lower responsiveness of the application.
  When I run the same program within Xephyr, the CPU load is much less, also when I run it under ms-windows in VirtualBox. I have tried the stable ppa update for xorg-intel, but this didn't make much difference.
  
  I have done performance analysis with oprofile (on my own applications
  that uses 10 wxMathplot plots) and found that the the kernel (55%) and
  libdrm_intel (15%) are eating most of the CPU time.
  
  I created a slightly modified version of sample3 of wxMathplot that
  shows the CPU impact of 2D operations. Directly under X, CPU usage is as
  follows: 53% for Xorg and 14% for mpSample3. Under Xephyr, CPU usage is
  10% for xorg, 15% for mpSample3 and 11% for Xephyr. I'll attach the
  source of this modified sample, and if required more of the oprofile
  log.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: xorg 1:7.5+6ubuntu3
  ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11
  Uname: Linux 2.6.35-28-generic i686
  Architecture: i386
  DRM.card0.LVDS.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1366x768
   edid-base64: AP///////wAGr+wgAAAAAAESAQOAIhN4CldVnFpUnSYaUFQAAAABAQEBAQEBAQEBAQEBAQEBEhtWQlAAJjAgGDQAWMEQAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBBVU8KICAgICAgICAgAAAA/gBCMTU2WFcwMiBWMCAKAF8=
  DRM.card0.VGA.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1680x1050 1680x1050 1280x1024 1280x1024 1440x900 1440x900 1280x960 1152x864 1024x768 1024x768 832x624 800x600 800x600 800x600 640x480 640x480 720x400
   edid-base64: AP///////wAebXdWUEUDAAMUAQNqMSB46q7FoldKnCUSUFSna4CVD5UAgYCBQHFPAQEBAQEBfC6QoGAaHkAwIDYA2igRAAAaITmQMGIaJ0BosDYA2igRAAAcAAAA/QA4Sx5TDwAKICAgICAgAAAA/ABXMjI0MgogICAgICAgAK4=
  Date: Wed Mar 23 21:13:46 2011
  InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
  MachineType: Hewlett-Packard Compaq 610
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-28-generic root=UUID=72a7f734-513b-40d0-9cbe-cc16ffb4239a ro quiet splash
  ProcEnviron:
   LC_TIME=nl_NL.UTF-8
   PATH=(custom, user)
   LANG=C
   SHELL=/bin/bash
   LC_PAPER=A4
  SourcePackage: xorg
  Symptom: display
  dmi.bios.date: 12/17/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68PVU Ver. F.0D
  dmi.board.name: 308A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 26.08
  dmi.chassis.asset.tag: CNU0064GLG
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68PVUVer.F.0D:bd12/17/2009:svnHewlett-Packard:pnCompaq610:pvrF.0D:rvnHewlett-Packard:rn308A:rvrKBCVersion26.08:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: Compaq 610
  dmi.product.version: F.0D
  dmi.sys.vendor: Hewlett-Packard
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       i686
   kernel:             2.6.35-28-generic
  
  [lspci]
  00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GME965/GLE960 Integrated Graphics Controller [8086:2a12] (rev 0c) (prog-if 00 [VGA controller])
      	Subsystem: Hewlett-Packard Company Device [103c:308a]
  --- 
  Architecture: i386
  DRM.card0.DP.1:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DRM.card0.LVDS.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1600x900
   edid-base64: AP///////wBMo0tUAAAAAAATAQOQJhV4ClYlnVtTmigXUFQAAAABAQEBAQEBAQEBAQEBAQEBpSVAiGCEFjAwIBUAftcQAAAapSVAiGCEFjAwIBUAftcQAAAaAAAA/gBKMTNKWIAxNzNLVAogAAAAAAAAAAAAAAAAAAIBCiAgAAI=
  DRM.card0.VGA.1:
   status: disconnected
   enabled: disabled
   dpms: On
   modes: 
   edid-base64:
  DistroRelease: Ubuntu 10.10
  InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
  MachineType: Dell Inc. Inspiron 1750
  Package: xserver-xorg-video-intel 2:2.12.0-1ubuntu5.2
  PackageArchitecture: i386
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-28-generic root=UUID=b6febf30-792b-41a0-9ea3-ad863ac30117 ro quiet splash
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11
  Tags:  ubuntu-une maverick maverick
  Uname: Linux 2.6.35-28-generic i686
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 10/23/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 08D7FG
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd10/23/2009:svnDellInc.:pnInspiron1750:pvr:rvnDellInc.:rn08D7FG:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Inspiron 1750
  dmi.sys.vendor: Dell Inc.
  glxinfo: Error: [Errno 2] No such file or directory
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       i686
   kernel:             2.6.35-28-generic
+ --- 
+ Architecture: i386
+ CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
+ CompositorRunning: None
+ CurrentDmesg:
+  [   23.457434] EXT4-fs (sda7): re-mounted. Opts: commit=600
+  [   30.592055] eth1: no IPv6 routers present
+ DRM.card0.DP.1:
+  status: disconnected
+  enabled: disabled
+  dpms: Off
+  modes: 
+  edid-base64:
+ DRM.card0.LVDS.1:
+  status: connected
+  enabled: enabled
+  dpms: On
+  modes: 1600x900
+  edid-base64: AP///////wBMo0tUAAAAAAATAQOQJhV4ClYlnVtTmigXUFQAAAABAQEBAQEBAQEBAQEBAQEBpSVAiGCEFjAwIBUAftcQAAAapSVAiGCEFjAwIBUAftcQAAAaAAAA/gBKMTNKWIAxNzNLVAogAAAAAAAAAAAAAAAAAAIBCiAgAAI=
+ DRM.card0.VGA.1:
+  status: disconnected
+  enabled: disabled
+  dpms: Off
+  modes: 
+  edid-base64:
+ DistUpgraded: Log time: 2011-04-28 20:59:39.737222
+ DistroCodename: natty
+ DistroRelease: Ubuntu 11.04
+ DistroVariant: ubuntu
+ DkmsStatus: bcmwl, 5.60.48.36+bdcom, 2.6.38-8-generic, i686: installed
+ GraphicsCard:
+  Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
+    Subsystem: Dell Device [1028:0406]
+    Subsystem: Dell Device [1028:0406]
+ InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
+ MachineType: Dell Inc. Inspiron 1750
+ NonfreeKernelModules: wl
+ Package: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
+ PackageArchitecture: i386
+ ProcEnviron:
+  LANGUAGE=en_US:en
+  PATH=(custom, user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=b6febf30-792b-41a0-9ea3-ad863ac30117 ro quiet splash vt.handoff=7
+ ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
+ Renderer: Unknown
+ Tags:  natty ubuntu
+ Uname: Linux 2.6.38-8-generic i686
+ UpgradeStatus: Upgraded to natty on 2011-04-29 (0 days ago)
+ UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
+ dmi.bios.date: 10/23/2009
+ dmi.bios.vendor: Dell Inc.
+ dmi.bios.version: A05
+ dmi.board.name: 08D7FG
+ dmi.board.vendor: Dell Inc.
+ dmi.chassis.type: 8
+ dmi.chassis.vendor: Dell Inc.
+ dmi.modalias: dmi:bvnDellInc.:bvrA05:bd10/23/2009:svnDellInc.:pnInspiron1750:pvr:rvnDellInc.:rn08D7FG:rvr:cvnDellInc.:ct8:cvr:
+ dmi.product.name: Inspiron 1750
+ dmi.sys.vendor: Dell Inc.
+ version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
+ version.libdrm2: libdrm2 2.4.23-1ubuntu6
+ version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
+ version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
+ version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
+ version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
+ version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
+ version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
+ version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

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https://bugs.launchpad.net/bugs/741284

Title:
  [i965gme] severe 2D performance degradation after upgrade to Maverick