Black rectangle instead of window preview in alt-tab switcher during WorkSpace switch

Bug #899762 reported by Christopher Kyle Horton
40
This bug affects 10 people
Affects Status Importance Assigned to Milestone
Unity
Fix Released
Medium
Unassigned
unity (Ubuntu)
Fix Released
Medium
Unassigned

Bug Description

Ubuntu 11.10
Unity 4.24.0-0ubuntu2b1

1. start a few applications
2. start workspace switcher with super+s or by clicking its icon in launcher
3. press alt+tab and press down arrow key

What happens:
a black rectangle is shown as window preview

What should happen:
window preview should be show

see the attached screenshot in comment#3

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 4.24.0-0ubuntu2b1
ProcVersionSignature: Ubuntu 3.2.0-2.6-generic 3.2.0-rc3
Uname: Linux 3.2.0-2-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 1.90-0ubuntu1
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,imgpng,move,vpswitch,mousepoll,resize,snap,wall,grid,place,unitymtgrabhandles,gnomecompat,regex,session,animation,expo,workarounds,fade,ezoom,scale,unityshell]
CompositorRunning: compiz
Date: Sat Dec 3 18:27:42 2011
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
GraphicsCard:
 nVidia Corporation C61 [GeForce 6150SE nForce 430] [10de:03d0] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Giga-byte Technology Device [1458:d000]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
MachineType: Gigabyte Technology Co., Ltd. M61PME-S2P
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-2-generic root=UUID=2d55fd3e-d932-47b9-abd6-a1fde1ec0453 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/03/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F6
dmi.board.name: M61PME-S2P
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF6:bd11/03/2009:svnGigabyteTechnologyCo.,Ltd.:pnM61PME-S2P:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnM61PME-S2P:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: M61PME-S2P
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu7
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.27-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.10.4-1ubuntu5
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 2:2.15.901-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

Revision history for this message
Christopher Kyle Horton (christhehorton) wrote :
Revision history for this message
Launchpad Janitor (janitor) wrote :

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

Changed in unity (Ubuntu):
status: New → Confirmed
Revision history for this message
Omer Akram (om26er) wrote :
description: updated
Changed in unity (Ubuntu):
importance: Undecided → Medium
Changed in unity:
importance: Undecided → Medium
status: New → Confirmed
summary: - Alt+Tab switcher shows black rectangles in place of window previews
- while workspace switcher is active
+ Black rectangle instead of window preview in alt-tab switcher during
+ WorkSpace switch
Omer Akram (om26er)
Changed in unity:
status: Confirmed → Triaged
Changed in unity (Ubuntu):
status: Confirmed → Triaged
Revision history for this message
Christopher Kyle Horton (christhehorton) wrote :

Still an issue in Unity 5.8 on Precise.

Revision history for this message
Ben Gamari (bgamari) wrote :

Still an issue with,

$ dpkg -l unity compiz xserver-xorg-video-intel
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-========================-========================-================================================================
ii compiz 1:0.9.7.6-0ubuntu1~ppa3 OpenGL window and compositing manager
ii unity 5.8.0+bzr2275ubuntu0+677 Interface designed for efficiency of space and interaction.
ii xserver-xorg-video-intel 2:2.17.0-1ubuntu4 X.Org X server -- Intel i8xx, i9xx display driver

Revision history for this message
Sergio Benjamim (sergio-br2) wrote :

It happens with me, using Ubuntu 12.04 and Unity 5.12.0

http://www.youtube.com/watch?v=9vpJIIuuj6M

Omer Akram (om26er)
Changed in unity:
milestone: none → 5.14.0
Changed in unity:
milestone: 5.14.0 → 5.16.0
Changed in unity:
milestone: 5.16.0 → 5.18.0
Changed in unity:
milestone: 5.18.0 → 7.0.0
Stephen M. Webb (bregma)
Changed in unity:
milestone: 7.0.0 → 7.0.1
dino99 (9d9)
tags: removed: oneiric
Revision history for this message
Christopher Kyle Horton (christhehorton) wrote :

I can no longer reproduce this bug in Trusty.

Changed in unity:
milestone: 7.0.1 → 7.3.1
Andrea Azzarone (azzar1)
Changed in unity:
status: Triaged → Fix Released
Changed in unity (Ubuntu):
status: Triaged → Fix Released
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