Comment 0 for bug 1434826

See screenshots

https://www.dropbox.com/s/7l0j1mbwjvq5n24/1.png?dl=0
https://www.dropbox.com/s/nidxl2kdmfvl629/2.png?dl=0
https://www.dropbox.com/s/kz0abhfryq9pqpc/3.png?dl=0

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
Uname: Linux 3.19.0-9-generic i686
.tmp.unity.support.test.0:

ApportVersion: 2.16.2-0ubuntu4
Architecture: i386
CasperVersion: 1.355
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: Sat Mar 21 14:18:27 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] RS600M [Radeon Xpress 1250] [1002:7942] (prog-if 00 [VGA controller])
   Subsystem: Samsung Electronics Co Ltd Device [144d:c036]
LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Alpha i386 (20150321)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R40P/R41P
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash --- maybe-ubiquity
SourcePackage: xorg
Symptom: display
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/29/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 02YE
dmi.board.name: R40P/R41P
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr02YE:bd03/29/2007:svnSAMSUNGELECTRONICSCO.,LTD.:pnR40P/R41P:pvr01YE:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR40P/R41P:rvr:cvnSAMSUNGELECTRONICSCO.,LTD.:ct1:cvrN/A:
dmi.product.name: R40P/R41P
dmi.product.version: 01YE
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
version.compiz: compiz 1:0.9.12.1+15.04.20150303-0ubuntu1
version.libdrm2: libdrm2 2.4.59-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2build1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
xserver.bootTime: Sat Mar 21 13:57:40 2015
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs: Output LVDS S-video VGA-0
xserver.version: 2:1.17.1-0ubuntu3
xserver.video_driver: radeon