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Message #25727
[Bug 903512] Re: When (re)starting compiz with "compiz --replace", switching workspaces causes the display to freeze
** 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)
+
+ ((EDIT: This MIGHT be a duplicate of bug 711378. My theory is that
+ perhaps this bug causes my workspace switcher applet on gnome-panel to
+ get messed up; however, I don't see how that applet failing could
+ possibly cause my entire screen to freeze and require a restart of X, so
+ it's PROBABLY a different issue.))
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.
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").
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)
.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]
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)
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
** 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)
((EDIT: This MIGHT be a duplicate of bug 711378. My theory is that
perhaps this bug causes my workspace switcher applet on gnome-panel to
get messed up; however, I don't see how that applet failing could
possibly cause my entire screen to freeze and require a restart of X, so
- it's PROBABLY a different issue.))
+ it's PROBABLY a different issue. But, unlike in that bug, I CAN see
+ gnome-panel after restarting compiz perfectly fine,))
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.
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").
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)
.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]
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)
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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References
