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[Oibaf <767251@xxxxxxxxxxxxxxxxxx>]

Is this still an issue with 14.04?

** Changed in: mesa (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/767251

Title:
  any kde plasma effects load 100% cpu

Status in “mesa” package in Ubuntu:
  Incomplete

Bug description:
  Yestarday i've updated my kubuntu (i update system nearly every day)
  and today i found, that any plasma animations causes high CPU load and
  immediately disabling kwin effects. After enabling by alt+shift+f12,
  any plasma animation drops kwin effects again. X-restart as well as
  system reboot didn't help. If i disable stability check in desktop
  effects settings, kwin hangs with high CPU usage for a long time after
  initiating any plasma animation.

  Those of effects, that not related with plasma animation (kwin
  translucancy, wobbly windows) are OK.

  I took a look for install logs and found mesa-* there. Then i've downgraded mesa-* to maverick version, and all seems ok after that. Then i saw this in changelog for mesa:
  == 7.10.2-0ubuntu2 ==
    [ Felix Geyer ]
    * Add 114_intel_dri_renderer_string.diff: Re-add "GEM" to the dri renderer
      string of the intel driver. Removing it breaks KDE's detection for the blur
      effect. (LP: #753370)

  I have intel card and maybe this change is the cause.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: libegl1-mesa 7.9~git20100924-0ubuntu2
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  Architecture: i386
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: kwin
  DRM.card0.LVDS.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1400x1050 1024x768
   edid-base64: AP///////wANrwgVAAAAADUOAQOAHhd4CgVgl1dRiUweUFQACAABAQEBAQEBAQEBAQEBAQEBMCp4IFEaEEAwcDQAMOQQAAAYAAAA/gBOMTUwUDUKICAgICAgAAAA/gBDTU8KICAgICAgICAgAAAA/ABOMTUwUDUtTDAxCiAgAN4=
  DRM.card0.VGA.1:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  Date: Wed Apr 20 18:30:07 2011
  DistUpgraded: Log time: 2011-04-03 19:14:18.998679
  DistroCodename: natty
  DistroVariant: kubuntu
  DkmsStatus:
   aksparlnx, 3.2: added 
   vboxhost, 4.0.4, 2.6.38-8-generic, i686: installed 
   vboxhost, 4.0.4, 2.6.38-7-generic, i686: installed 
   vboxhost, 4.0.4, 2.6.35-28-generic, i686: installed
  EcryptfsInUse: Yes
  GraphicsCard:
   Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:30aa]
     Subsystem: Hewlett-Packard Company Device [103c:30aa]
  InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  MachineType: Hewlett-Packard HP Compaq nc6320 (RU406EA#ACB)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=en_US
   LANG=en_US.UTF-8
   LC_MESSAGES=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=f9837d73-b5b3-43e9-acb4-261a10859031 ro quiet splash vt.handoff=7
  Renderer: Unknown
  SourcePackage: mesa
  UpgradeStatus: Upgraded to natty on 2011-04-03 (16 days ago)
  dmi.bios.date: 04/17/2007
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68YDU Ver. F.0D
  dmi.board.name: 30AA
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 58.12
  dmi.chassis.asset.tag: CNU7350GLS
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68YDUVer.F.0D:bd04/17/2007:svnHewlett-Packard:pnHPCompaqnc6320(RU406EA#ACB):pvrF.0D:rvnHewlett-Packard:rn30AA:rvrKBCVersion58.12:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq nc6320 (RU406EA#ACB)
  dmi.product.version: F.0D
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.23-1ubuntu6
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.9~git20100924-0ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.9~git20100924-0ubuntu2
  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 N/A

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