[HUD] Panel looses transparency when switching from HUD to Dash or vice versa

[Ivan Katanović]

Panel looses transparency when switching from HUD to Dash or vice versa.

Steps to reproduce:
1. Press alt (Open HUD)
2. Press Super (open Dash)
3. Panel looses transparency

or

1. Press Super (open Dash)
2. Press alt (Open HUD)
3. Panel looses transparency

There is screenshot of bug in attatchment.
I'm using latest build of unity from staging ppa.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.4.0+bzr2047ubuntu0+654 [origin: LP-PPA-unity-team-staging]
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 295.20 Mon Feb 6 21:07:30 PST 2012
 GCC version: gcc version 4.6.2 (Ubuntu/Linaro 4.6.2-14ubuntu2)
.tmp.unity.support.test.0:

ApportVersion: 1.94-0ubuntu1
Architecture: amd64
CheckboxSubmission: 9448ae01985a062cb9f7d6705930e25a
CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,move,place,mousepoll,session,imgpng,gnomecompat,vpswitch,resize,grid,snap,regex,wall,animation,expo,workarounds,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
CrashDB: unity
Date: Sat Mar 3 08:32:01 2012
DistUpgraded: Log time: 2012-01-07 16:33:32.685475
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current-updates, 295.20, 3.2.0-16-generic, x86_64: installed
 nvidia-current-updates, 295.20, 3.2.0-17-generic, x86_64: installed
 virtualbox, 4.1.8, 3.2.0-17-generic, x86_64: installed
GraphicsCard:
 NVIDIA Corporation G98M [GeForce G 105M] [10de:06ec] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0253]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20111004)
JockeyStatus:
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
 xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Enabled, In use)
MachineType: Acer Extensa 5635G
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic root=UUID=67f9c537-e53e-444a-98d0-12afd884e79e ro quiet splash pcie_aspm=force vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to precise on 2012-01-12 (50 days ago)
XorgConf:
 Section "Device"
  Identifier "Default Device"
  Option "NoLogo" "True"
 EndSection
dmi.bios.date: 12/21/2009
dmi.bios.vendor: Phoenix
dmi.bios.version: V1.3311
dmi.board.name: BA50-MV
dmi.board.vendor: Acer
dmi.board.version: Not Applicable
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenix:bvrV1.3311:bd12/21/2009:svnAcer:pnExtensa5635G:pvrNotApplicable:rvnAcer:rnBA50-MV:rvrNotApplicable:cvnAcer:ct10:cvrN/A:
dmi.product.name: Extensa 5635G
dmi.product.version: Not Applicable
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.7.0~bzr3025-r3034-p737~precise1
version.ia32-libs: ia32-libs 20090808ubuntu33
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901+git20120126-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2