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[Bug 879974] [NEW] Desktop not shown on secondary screen (TV-out, separate X screen)

 

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Steps to reproduce on my system:
1) Take default Ubuntu PC with NVidia GForce GTX 470 and default nvidia driver from Ubuntu
2) Use nvidia-settings to configure TV-out as separate X screen (:0.1)
3) When rebooting, the TV doesn't show a desktop like in earlier Ubuntu versions but remains white.
4) However, you can move the mouse to the TV screen (shows a black "X" pointer), then after you right-click into the screen it turns black (see attached video)

Applications started on the separate X screen work, but for instance,
xbmc Media Center can't switch between windows and full-screen
automatically

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Ist ein Verzeichnis: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  280.13  Wed Jul 27 16:53:56 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: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,grid,imgpng,mousepoll,move,place,regex,resize,session,snap,unitymtgrabhandles,vpswitch,wall,animation,expo,ezoom,fade,scale,unityshell,workarounds]
CompositorRunning: compiz
Date: Sat Oct 22 17:53:16 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 280.13, 3.0.0-12-generic, x86_64: installed
 virtualbox, 4.1.2, 3.0.0-12-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 nVidia Corporation GF100 [GeForce GTX 470] [10de:06cd] (rev a3) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device [1043:8347]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64+mac (20111012)
JockeyStatus:
 xorg:nvidia_current - Beschleunigter Grafiktreiber von NVIDIA (Proprietär, Aktiviert, In Benutzung)
 xorg:nvidia_current_updates - NVIDIAs beschleunigte Grafiktreiber (Nachträgliche Aktualisierungen) (Proprietär, Deaktiviert, Nicht benutzt)
MachineType: Gigabyte Technology Co., Ltd. P35-DS4
ProcEnviron:
 LANGUAGE=de_AT:de
 PATH=(custom, no user)
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=1e9b8868-5e03-43a7-85d6-1ba5913fb2a1 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/19/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F14
dmi.board.name: P35-DS4
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF14:bd06/19/2009:svnGigabyteTechnologyCo.,Ltd.:pnP35-DS4:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP35-DS4:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: P35-DS4
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu5
version.ia32-libs: ia32-libs N/A
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

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 oneiric running-unity ubuntu
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Desktop not shown on secondary screen (TV-out, separate X screen)
https://bugs.launchpad.net/bugs/879974
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