Unity has problems with Ivy/Sandy bridge intel GPUs, in Unity and in KDE. In games, something is white instead of colourful and in Unity it sometimes shows graphic corruptions. KDE is almost unusable with them.
Downgrade to Mesa 8 helps in 12.04.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity 7.2.0+14.04.20140404-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8
Uname: Linux 3.13.0-23-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.14.1-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Thu Apr 10 17:54:37 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.7, 3.13.0-21-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-23-generic, x86_64: installed
nvidia-331-updates, 331.38, 3.13.0-21-generic, x86_64: installed
nvidia-331-updates, 331.38, 3.13.0-23-generic, x86_64: installed
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:3977]
NVIDIA Corporation GF108M [GeForce GT 630M] [10de:0de9] (rev ff) (prog-if ff)
InstallationDate: Installed on 2014-04-02 (8 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140317)
MachineType: LENOVO IdeaPad Z580
ProcEnviron:
LANGUAGE=cs_CZ
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=cs_CZ.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-23-generic.efi.signed root=UUID=c3551a5d-80df-4a66-b0cb-cf675521dc95 ro rootflags=subvol=@ quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/11/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 5FCN34WW
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Lenovo
dmi.board.vendor: LENOVO
dmi.board.version: Lenovo Z580
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Intel Corporation
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnLENOVO:bvr5FCN34WW:bd06/11/2012:svnLENOVO:pnIdeaPadZ580:pvrLenovoZ580:rvnLENOVO:rnLenovo:rvrLenovoZ580:cvnIntelCorporation:ct9:cvr0.1:
dmi.product.name: IdeaPad Z580
dmi.product.version: Lenovo Z580
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11+14.04.20140408-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Thu Apr 10 17:09:48 2014
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 826
vendor LGD
xserver.version: 2:1.15.0-1ubuntu7
Does this still occur on Ubuntu 14.10 "Utopic Unicorn"?