It's because Show Desktop, when invoked for the second time, "unmininize"
all the windows. Because you already have some restored, it will look like
it did nothing. Not that I like this behaviour, though...
2012/4/13 palimmo <email address hidden>
> It seems solved now.
> But.. does show desktop (through alt+Tab) work at the first "movement"? I
> have to repeat it twice to get the desktop....
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/877778
>
> Title:
> Showdesktoped window contents invisible in window spread
>
> Status in Unity:
> Fix Released
> Status in Unity Distro Priority:
> Fix Committed
> Status in “unity” package in Ubuntu:
> Fix Committed
>
> Bug description:
> 1. have two firefox windows opened
> 2. alt-tab until getting to "show desktop"
> 3. click on the firefox icon in the launcher to restore the last focused
> firefox window
> 4. click again on the firefox icon in the launcher
> -> the minimized window is scaled, but invisible (empty placeholder)
>
> I'm using the Oneiric proposed channel, so it might have something to
> do with the latest updates to Unity or Compiz.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.10
> Package: unity 4.24.0-0ubuntu1
> ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
> Uname: Linux 3.0.0-12-generic i686
> 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 Kernel Module 280.13 Wed Jul 27 16:55:43
> PDT 2011
> GCC version: gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3)
> .tmp.unity.support.test.0:
>
> ApportVersion: 1.23-0ubuntu3
> Architecture: i386
> CompizPlugins:
> [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
> CompositorRunning: compiz
> Date: Tue Oct 18 19:11:09 2011
> DistUpgraded: Log time: 2011-09-13 11:04:09.297261
> DistroCodename: oneiric
> DistroVariant: ubuntu
> DkmsStatus:
> nvidia-current, 280.13, 3.0.0-12-generic, i686: installed
> nvidia-current-updates, 280.13, 3.0.0-12-generic, i686: installed
> GraphicsCard:
> nVidia Corporation GT216 [GeForce GT 220] [10de:0a20] (rev a2) (prog-if
> 00 [VGA controller])
> Subsystem: BFG Tech Device [19f1:113c]
> InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110909)
> 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 Aspire M1201
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic
> root=UUID=ab49ff83-e28a-460e-84bc-6bcddae18d1e ro quiet splash vt.handoff=7
> SourcePackage: unity
> UpgradeStatus: Upgraded to oneiric on 2011-09-22 (26 days ago)
> XorgConf:
> Section "Device"
> Identifier "Default Device"
> Option "NoLogo" "True"
> EndSection
> dmi.bios.date: 08/21/2008
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: R03-B1
> dmi.board.asset.tag: To Be Filled By O.E.M.
> dmi.board.name: RS740DVF
> dmi.board.vendor: Acer
> dmi.chassis.type: 3
> dmi.chassis.vendor: Acer
> dmi.chassis.version: 1.0
> dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvrR03-B1:bd08/21/2008:svnAcer:pnAspireM1201:pvr:rvnAcer:rnRS740DVF:rvr:cvnAcer:ct3:cvr1.0:
> dmi.product.name: Aspire M1201
> dmi.sys.vendor: Acer
> 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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
> 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
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/unity/+bug/877778/+subscriptions
>
It's because Show Desktop, when invoked for the second time, "unmininize"
all the windows. Because you already have some restored, it will look like
it did nothing. Not that I like this behaviour, though...
2012/4/13 palimmo <email address hidden>
> It seems solved now. /bugs.launchpad .net/bugs/ 877778 ature: Ubuntu 3.0.0-12.20-generic 3.0.4 dules: nvidia nvidia. gpus.0: Error: [Errno 21] Is a directory: driver/ nvidia/ gpus/0' nvidia. registry: Binary: "" nvidia. version: support. test.0: detection, composite, opengl, decor,mousepoll ,vpswitch, regex,animation ,snap,expo, move,compiztool box,place, grid,imgpng, gnomecompat, wall,ezoom, workarounds, resize, fade,unitymtgra bhandles, scale,session, unityshell] current- updates, 280.13, 3.0.0-12-generic, i686: installed current_ updates - NVIDIA accelerated graphics driver /boot/vmlinuz- 3.0.0-12- generic ab49ff83- e28a-460e- 84bc-6bcddae18d 1e ro quiet splash vt.handoff=7 asset.tag: To Be Filled By O.E.M. version: 1.0 MegatrendsInc. :bvrR03- B1:bd08/ 21/2008: svnAcer: pnAspireM1201: pvr:rvnAcer: rnRS740DVF: rvr:cvnAcer: ct3:cvr1. 0: bzr20110929- 0ubuntu5 libgl1- mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3 libgl1- mesa-dri- experimental: libgl1- mesa-dri- experimental N/A libgl1- mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3 nvidia- graphics- drivers: nvidia- graphics- drivers N/A xserver- xorg: xserver-xorg 1:7.6+7ubuntu7 xserver- xorg-input- evdev: xserver- xorg-input- evdev xserver- xorg-video- ati: xserver- xorg-video- ati 99~git20110811. g93fc084- 0ubuntu1 xserver- xorg-video- intel: xserver- xorg-video- intel xserver- xorg-video- nouveau: xserver- xorg-video- nouveau git20110411+ 8378443- 1 /bugs.launchpad .net/unity/ +bug/877778/ +subscriptions
> But.. does show desktop (through alt+Tab) work at the first "movement"? I
> have to repeat it twice to get the desktop....
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https:/
>
> Title:
> Showdesktoped window contents invisible in window spread
>
> Status in Unity:
> Fix Released
> Status in Unity Distro Priority:
> Fix Committed
> Status in “unity” package in Ubuntu:
> Fix Committed
>
> Bug description:
> 1. have two firefox windows opened
> 2. alt-tab until getting to "show desktop"
> 3. click on the firefox icon in the launcher to restore the last focused
> firefox window
> 4. click again on the firefox icon in the launcher
> -> the minimized window is scaled, but invisible (empty placeholder)
>
> I'm using the Oneiric proposed channel, so it might have something to
> do with the latest updates to Unity or Compiz.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.10
> Package: unity 4.24.0-0ubuntu1
> ProcVersionSign
> Uname: Linux 3.0.0-12-generic i686
> NonfreeKernelMo
> .proc.driver.
> '/proc/
> .proc.driver.
> .proc.driver.
> NVRM version: NVIDIA UNIX x86 Kernel Module 280.13 Wed Jul 27 16:55:43
> PDT 2011
> GCC version: gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3)
> .tmp.unity.
>
> ApportVersion: 1.23-0ubuntu3
> Architecture: i386
> CompizPlugins:
> [core,bailer,
> CompositorRunning: compiz
> Date: Tue Oct 18 19:11:09 2011
> DistUpgraded: Log time: 2011-09-13 11:04:09.297261
> DistroCodename: oneiric
> DistroVariant: ubuntu
> DkmsStatus:
> nvidia-current, 280.13, 3.0.0-12-generic, i686: installed
> nvidia-
> GraphicsCard:
> nVidia Corporation GT216 [GeForce GT 220] [10de:0a20] (rev a2) (prog-if
> 00 [VGA controller])
> Subsystem: BFG Tech Device [19f1:113c]
> InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110909)
> JockeyStatus:
> xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary,
> Disabled, Not in use)
> xorg:nvidia_
> (post-release updates) (Proprietary, Enabled, In use)
> MachineType: Acer Aspire M1201
> ProcKernelCmdLine: BOOT_IMAGE=
> root=UUID=
> SourcePackage: unity
> UpgradeStatus: Upgraded to oneiric on 2011-09-22 (26 days ago)
> XorgConf:
> Section "Device"
> Identifier "Default Device"
> Option "NoLogo" "True"
> EndSection
> dmi.bios.date: 08/21/2008
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: R03-B1
> dmi.board.
> dmi.board.name: RS740DVF
> dmi.board.vendor: Acer
> dmi.chassis.type: 3
> dmi.chassis.vendor: Acer
> dmi.chassis.
> dmi.modalias:
> dmi:bvnAmerican
> dmi.product.name: Aspire M1201
> dmi.sys.vendor: Acer
> version.compiz: compiz 1:0.9.6+
> version.libdrm2: libdrm2 2.4.26-1ubuntu1
> version.
> version.
> version.
> version.
> version.
> version.
> 1:2.6.0-1ubuntu13
> version.
> 1:6.14.
> version.
> 2:2.15.901-1ubuntu2
> version.
> 1:0.0.16+
>
> To manage notifications about this bug go to:
> https:/
>
-- www.google. com/profiles/ pabloalmeidaff9
Pablo Almeida
http://