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[tai271828 <taihsiang.ho@xxxxxxxxxxxxx>]

Dell Inspiron 3441 (CID 201403-14840) has the same issue.
Please refer to LP: #1391430 as well.

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https://bugs.launchpad.net/bugs/1323967

Title:
  No Unity 3D support with Radeon APU E2-4000 with R2 Graphics
  [1002:9853]

Status in linux package in Ubuntu:
  Confirmed
Status in xserver-xorg-video-ati package in Ubuntu:
  Confirmed

Bug description:
  The interface is very slow when 14.04 running on hardware with AMD
  CPU, E1-6010 APU with AMD Radeon R2 Graphics.

  Compiz does not fully supported:
  $ /usr/lib/nux/unity_support_test -c -p
  OpenGL vendor string:   VMware, Inc.
  OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.4, 128 bits)
  OpenGL version string:  1.4 (2.1 Mesa 10.1.0)

  Not software rendered:    no
  Not blacklisted:          yes
  GLX fbconfig:             yes
  GLX texture from pixmap:  yes
  GL npot or rect textures: yes

  Compiz supported:         no

  -

  For the status of fglrx driver on this system, please check related
  bug 1324001

  -

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic]
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1640 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed May 28 02:09:50 2014
  HibernationDevice: RESUME=UUID=63f7549b-e124-4907-a497-768e5cc958aa
  InstallationDate: Installed on 2014-05-28 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Vostro 3445
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=2fef7b9b-8ecf-4187-9d4a-3203bfdc7f71 ro rootdelay=60 quiet splash initcall_debug vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/20/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A00
  dmi.board.name: Vostro 3445
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA00:bd03/20/2014:svnDellInc.:pnVostro3445:pvrNotSpecified:rvnDellInc.:rnVostro3445:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Vostro 3445
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

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