dash home and tab switcher pop under open windows

[david greisen]

when I hit alt-tab the tab switcher does not show because it displays below any open windows. when i hit the windows key, the dash hope is not visible/partially obscured because it opens below open windows. This only happens sometimes. I have only noticed the problem when firefox is open. The problem goes away when I close firefox. The problem does not always occur when I am using firefox.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
Uname: Linux 3.0.0-12-generic-pae i686
.tmp.unity.support.test.0:

ApportVersion: 1.23-0ubuntu3
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,imgpng,unitymtgrabhandles,move,regex,vpswitch,gnomecompat,place,mousepoll,resize,animation,snap,session,grid,workarounds,wall,expo,ezoom,fade,scale,unityshell]
CompositorRunning: compiz
Date: Sat Oct 22 09:26:33 2011
DistUpgraded: Log time: 2011-10-14 07:06:52.276807
DistroCodename: oneiric
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:21da]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
MachineType: LENOVO 42872VU
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic-pae root=UUID=f287cf9f-1083-44e2-89af-0bb3f1f46262 ro quiet splash pcie_aspm=force vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (8 days ago)
dmi.bios.date: 03/28/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET41WW (1.11 )
dmi.board.asset.tag: Not Available
dmi.board.name: 42872VU
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8DET41WW(1.11):bd03/28/2011:svnLENOVO:pn42872VU:pvrThinkPadX220:rvnLENOVO:rn42872VU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 42872VU
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu5
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jesse Otto (rootofjesse)]

I just experienced this also and did not get to run apport because I caused "corrected" it by restarting Firefox. While I have this package installed, my system is not Intel. I use the nvidia-173 driver. I do not know how to reproduce it.

[Jesse Otto (rootofjesse)]

Probably duplicate of 805087

[Chris Wilson (ickle)]

Not a driver bug, presumed already fixed in unity.