The botton right corner of the dash panel becomes superposed by the background square

[Alberto Salvia Novella]

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HOW TO REPRODUCE
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1. Click on the button with the Ubuntu logo on the dash.
2. Have a close look to the bottom right corner of the opened panel, by the legal notice.

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EXPECTED BEHAVIOUR
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- Nothing relevant to be noticed.

**************
REAL BEHAVIOUR
**************
- After a very short time after opening the panel, the background square superposes the round border of the dash.

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RELEVANT DETAILS
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- A close-up video is attached to this report.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: unity 7.0.0daily13.04.18~13.04-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-22.33-generic 3.8.11
Uname: Linux 3.8.0-22-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.9.2-0ubuntu8
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
Date: Wed May 29 01:13:18 2013
DistUpgraded: Fresh install
DistroCodename: raring
DistroVariant: ubuntu
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI Turks XT [Radeon HD 6670] [1002:6758] (prog-if 00 [VGA controller])
   Subsystem: PC Partner Limited Device [174b:e194]
InstallationDate: Installed on 2013-05-21 (7 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: MEDIONPC MS-7358
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-22-generic root=UUID=7c16b6a8-52d3-4e20-94c4-933af64fd891 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/18/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: MS-7358
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: Fab D
dmi.chassis.type: 3
dmi.chassis.vendor: OEM
dmi.chassis.version: OEM
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd02/18/2008:svnMEDIONPC:pnMS-7358:pvrOEM:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7358:rvrFabD:cvnOEM:ct3:cvrOEM:
dmi.product.name: MS-7358
dmi.product.version: OEM
dmi.sys.vendor: MEDIONPC
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.43-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
xserver.bootTime: Tue May 28 22:23:51 2013
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech USB Receiver KEYBOARD, id 8
 input Logitech USB Receiver KEYBOARD, id 9
 input UVC Camera (046d:0821) KEYBOARD, id 10
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
xserver.video_driver: radeon

[Alberto Salvia Novella (es20490446e)]

Since this bug:

- Is valid.
- Is well described.
- Is reported in the upstream project.
- Is ready to be worked on by a developer.

It's already triaged.