compiz team mailing list archive

[Exüberance <903512@xxxxxxxxxxxxxxxxxx>]

I should also mention that it is NOT necessary to be running compiz when
entering "compiz --replace".

Switching from Compiz to Metacity then back to Compiz also produces this
error.

** Description changed:

  After restarting compiz with the "compiz --replace" command, attempting
  to switch workspaces will cause the display to freeze. The only way to
  recover (aside from rebooting) is to restart the X session with
  Ctrl+Alt+PrtScrn+K, but the problem usually (though not 100% of the
  time) persists after this.
  
  When compiz is started normally at logon, this problem does not occur,
  but restarting compiz with 'compiz --replace' causes this bug to occur
  when switching workspaces. I'm not sure if this is because doing this
  makes it so that compiz has no parent or child processes.
  
  Steps to reproduce:
- (compiz is running at this point)
  1. Hit Alt+F2 (Run Application) and enter "compiz --replace"
  2. Attempt to switch workspaces (Ctrl+Alt+RIGHT_ARROW)
  
  My specific setup was 2 workspaces beside each other (horizontal virutal
  size = 2, vertical cirutal size = 1,  number of desktops = 1). The
  desktop wall plugin is turned on, but no other plugins under the Desktop
  category are turned on.
  
- 
- This bug report was submitted after rebooting from a freeze as a result of this bug, so any uploaded logs that only store information about errors occurring since the last reboot will not show the bug occurring. If it would help, I could cause this bug to occur, Ctrl+Alt+PrntScrn+K out of it, and attach the necessary files.
+ This bug report was submitted after rebooting from a freeze as a result
+ of this bug, so any uploaded logs that only store information about
+ errors occurring since the last reboot will not show the bug occurring.
+ If it would help, I could cause this bug to occur, Ctrl+Alt+PrntScrn+K
+ out of it, and attach the necessary files.
  
  I am using GNOME Classic.
  
- 
- One interesting thing I noticed was that after attempting to figure out the exact conditions of this bug, I had restarted the X session (Ctrl+Alt+PrntScrn+K) multiple times. When I looked at GNOME System monitor, I had multiple instances of Compiz running. I then decided to reboot, and was shortly able to discover that running "compiz --replace" was the condition causing this bug. As I said earlier, using Ctrl+Alt+PrntScrn+K to restart the X session does not always resolve the issue. Probably because of the multiple instances of Compiz running for some reason (yes, I did make sure to always add "--replace").
+ One interesting thing I noticed was that after attempting to figure out
+ the exact conditions of this bug, I had restarted the X session
+ (Ctrl+Alt+PrntScrn+K) multiple times. When I looked at GNOME System
+ monitor, I had multiple instances of Compiz running. I then decided to
+ reboot, and was shortly able to discover that running "compiz --replace"
+ was the condition causing this bug. As I said earlier, using
+ Ctrl+Alt+PrntScrn+K to restart the X session does not always resolve the
+ issue. Probably because of the multiple instances of Compiz running for
+ some reason (yes, I did make sure to always add "--replace").
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: compiz 1:0.9.6+bzr20110929-0ubuntu6
  ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
  Uname: Linux 3.0.0-14-generic x86_64
  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_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)
+  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: 1.23-0ubuntu4
  Architecture: amd64
  CompizPlugins: [core,crashhandler,bailer,detection,composite,opengl,decor,move,snap,commands,compiztoolbox,place,session,imgpng,resize,gnomecompat,regex,scale,staticswitcher,mousepoll,notification,animation,wall,mag,animationaddon,workarounds]
  CompositorRunning: compiz
  Date: Mon Dec 12 20:56:18 2011
  DistUpgraded: Fresh install
  DistroCodename: oneiric
  DistroVariant: ubuntu
  GraphicsCard:
-  nVidia Corporation Device [10de:1251] (rev a1) (prog-if 00 [VGA controller])
-    Subsystem: CLEVO/KAPOK Computer Device [1558:5102]
+  nVidia Corporation Device [10de:1251] (rev a1) (prog-if 00 [VGA controller])
+    Subsystem: CLEVO/KAPOK Computer Device [1558:5102]
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  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)
+  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: System76, Inc. Gazelle Professional
  PackageArchitecture: all
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-14-generic root=UUID=94f7fc1e-fa27-4b24-99f3-4b461665a4a4 ro quiet splash vt.handoff=7
  SourcePackage: compiz
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/09/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.4
  dmi.board.asset.tag: Not Applicable
  dmi.board.name: Gazelle Professional
  dmi.board.vendor: System76, Inc.
  dmi.board.version: gazp6
  dmi.chassis.asset.tag: Not Applicable
  dmi.chassis.type: 10
  dmi.chassis.vendor: System76, Inc.
  dmi.chassis.version: gazp6
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.4:bd08/09/2011:svnSystem76,Inc.:pnGazelleProfessional:pvrgazp6:rvnSystem76,Inc.:rnGazelleProfessional:rvrgazp6:cvnSystem76,Inc.:ct10:cvrgazp6:
  dmi.product.name: Gazelle Professional
  dmi.product.version: gazp6
  dmi.sys.vendor: System76, Inc.
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6
  version.ia32-libs: ia32-libs 20090808ubuntu26
  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 2:2.15.901-1ubuntu2.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

-- 
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https://bugs.launchpad.net/bugs/903512

Title:
  When (re)starting compiz with "compiz --replace", switching workspaces
  causes the display to freeze

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