** Description changed:

- After installing 12.10 I have 2 visual issues. They look quite similar
- so I will report them as one bug.
+ [Impact]
+ Sometimes a shadow right under the global menu becomes visible and gets 
bigger over time. After a few seconds it disappears, just to reappear right 
away.
+ 
+ [Test Case]
+ 1. Maximize a Chrome window
+ 2. Open several tabs
+ 3. Hover the mouse over the very top part of some tabs so tooltips appear
+ Expected: No panel shadow ever visible while a window is maximized.
+ Observed: Small segments of the panel shadow appear when the tooltips 
disappear.
+ 
+ [Regression Potential]
+ Low. There are no known bugs in the fix. However worst case for the affected 
code would be other visual changes in how the panel shadow is drawn. So still 
low.
+ 
+ ORIGINAL DESCRIPTION:
+ After installing 12.10 I have 2 visual issues. They look quite similar so I 
will report them as one bug.
  
  Sometimes a shadow right under the global menu becomes visible and gets
  bigger over time. After a few seconds it disappears, just to reappear
  right away.
  
  see the attached screenshot
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: unity 6.6.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-15.23-generic 3.5.4
  Uname: Linux 3.5.0-15-generic x86_64
  .tmp.unity.support.test.0:
  
  ApportVersion: 2.5.2-0ubuntu4
  Architecture: amd64
  CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  Date: Thu Sep 27 15:34:03 2012
  DistUpgraded: Fresh install
  DistroCodename: quantal
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics 
Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04cc]
   Advanced Micro Devices [AMD] nee ATI Caicos [Radeon HD 6400M/7400M Series] 
[1002:6760] (prog-if 00 [VGA controller])
     Subsystem: Dell Vostro 3350 [1028:04cc]
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64+mac (20120922)
  MachineType: Dell Inc. Vostro 3350
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-15-generic 
root=/dev/mapper/ubuntu-root ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/30/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0M516T
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A07
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA07:bd09/30/2011:svnDellInc.:pnVostro3350:pvrNotSpecified:rvnDellInc.:rn0M516T:rvrA07:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Vostro 3350
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.8.2+bzr3377-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120917.7cfd42ce-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120917.7cfd42ce-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.99.99~git20120913.8637f772-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.8-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.2-0ubuntu1

** Description changed:

  [Impact]
  Sometimes a shadow right under the global menu becomes visible and gets 
bigger over time. After a few seconds it disappears, just to reappear right 
away.
  
  [Test Case]
  1. Maximize a Chrome window
  2. Open several tabs
  3. Hover the mouse over the very top part of some tabs so tooltips appear
- Expected: No panel shadow ever visible while a window is maximized.
- Observed: Small segments of the panel shadow appear when the tooltips 
disappear.
+ Verify: No panel shadow ever visible while the window is maximized.
  
  [Regression Potential]
  Low. There are no known bugs in the fix. However worst case for the affected 
code would be other visual changes in how the panel shadow is drawn. So still 
low.
  
  ORIGINAL DESCRIPTION:
  After installing 12.10 I have 2 visual issues. They look quite similar so I 
will report them as one bug.
  
  Sometimes a shadow right under the global menu becomes visible and gets
  bigger over time. After a few seconds it disappears, just to reappear
  right away.
  
  see the attached screenshot
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: unity 6.6.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-15.23-generic 3.5.4
  Uname: Linux 3.5.0-15-generic x86_64
  .tmp.unity.support.test.0:
  
  ApportVersion: 2.5.2-0ubuntu4
  Architecture: amd64
  CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  Date: Thu Sep 27 15:34:03 2012
  DistUpgraded: Fresh install
  DistroCodename: quantal
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics 
Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04cc]
   Advanced Micro Devices [AMD] nee ATI Caicos [Radeon HD 6400M/7400M Series] 
[1002:6760] (prog-if 00 [VGA controller])
     Subsystem: Dell Vostro 3350 [1028:04cc]
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64+mac (20120922)
  MachineType: Dell Inc. Vostro 3350
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-15-generic 
root=/dev/mapper/ubuntu-root ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/30/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0M516T
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A07
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA07:bd09/30/2011:svnDellInc.:pnVostro3350:pvrNotSpecified:rvnDellInc.:rn0M516T:rvrA07:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Vostro 3350
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.8.2+bzr3377-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120917.7cfd42ce-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120917.7cfd42ce-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.99.99~git20120913.8637f772-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.8-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.2-0ubuntu1

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https://bugs.launchpad.net/bugs/1057528

Title:
  Small chunks of the panel shadow appear individually (and very dark)

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