Ubuntu :: Enabled, Xinerama, The Composite Extension Is Not Available, Effects Not Working?

May 2, 2010

When i have enable xinerama for 2 displays and i enable visual effect it says The "Composite extension is not available" but i have enabled it in "xorg.conf" but effect are working with not enabled xinerama.

Here is my xorg.conf

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@palmer) Fri Apr 9 10:35:18 UTC 2010
Section "ServerLayout"
# Removed Option "Xinerama" "0"


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Ubuntu Multimedia :: Visual Effects Not Working - The Composite Extension Is Not Available

Mar 24, 2010

Basically when trying to activate Normal or Extra visual effects on a new karmic installation, I get the error message "The Composite extension is not available".

Here is my xorg:

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OpenSUSE :: Research On Unabling Composite Effects And Xinerama?

Jun 23, 2011

During my research on enabling composite effects and xinerama, I stumbled upon a few threads and discussions which showed xserver 1.10+ has resolved the conflicts between the 2 modules. I'm wondering if anyone knows of someone/somewhere to get a SUSE compatible build of xserver 1.10+ ? If not, could someone point me toward an easy-to-follow tutorial on how to build packages for SUSE?

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Ubuntu Multimedia :: As Of X Server 1.10 Xinerama And Composite No Longer Conflict?

Aug 8, 2011

According to the Wiki about Xinerama


As of the 1.10 X server release, the Xinerama rendering multiplexer and Composite extensions no longer conflict.[URL].. So does this mean that if I use X 1.10 or later, Xinerama and composting can work even over two GPUs and four monitors?

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Ubuntu :: The Composite Extension Is Not Available

Oct 14, 2010

Installed Ubuntu 10.10, 64bit, been working flawlessly for a week.

I have 2 nVidia Corporation G96 [GeForce 9400 GT] Graphics Cards and 2 LG Monitors. I installed the nVidia drivers from the website and everything is working very well. Using Xinerama to extend my desktop.

The problem comes in when I add an additional user to the system. It doesn't matter if it's 1 or 2 users, if they are added into the administrator group or as a desktop user, I can delete re-add them, create a completely different user but the problem persists.

As soon as I login as the new user and go to System | Preferences | Appearance | Visual Effects and try and enable either 'Normal' or Extra' I get the following error;

"The Composite Extension is not Available"

This is strange to me because composite, everything, is working fine for the default user, I have no problems whatsoever, but any additional user I setup it seems the graphics is borked, like it's not picking up the correct drivers or something.

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Ubuntu :: Composite Extension Is Not Available - Lucid

May 1, 2010

I did a clean install of Ubuntu 10.04 except for the /home partition. I have two monitors. I can't get the setup I had on 9.10 where the second monitor was an extension of the first, and extra visual effects were enabled.

There are two drivers available for my video card, NVIDIA accelerated graphics driver (version 173) and NVIDIA accelerated graphics driver (version current) [Recommended]. I've tried both. I backed up my /etc/X11/xorg.conf, blanked the current one, and run


I set the each monitor to be a separate X screen, enable Xinerama (I think that's what I need for the extended display), and clicked Save to X Configuration File. Sometimes I merge it with the existing file. At this point I restart and the error, "The Composite extension is not available" is displayed when I try to enable extra visual effects.

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Ubuntu :: Compiz Fusion Effects Enabled But Not Working?

Jan 31, 2011

Not quite sure what could be wrong here. The settings are enabled, but none of the compiz functions are working. The were working on Friday. I did some searching but I'm not even sure what the problem is, or how to diagnose it. I'm running 10.10, now.. any help is appreciated. Even if you just tell me what I need to be searching for to find a solution.

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Ubuntu :: Nvidia Driver - Composite Extension Is Not Available

Feb 9, 2010

I am trying to put my appreance preferences to extra so taht I can enable compiz however I get the error message "Composite extension is not available"

below is my xorg file I have nvidia 185.18.36 drivers installed which should work with compiz.

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder63) Fri Aug 14 17:54:58 PDT 2009
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"


the above xorg gets my flawless playback in xbmc (xbox media center) or 1080 movies.

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Ubuntu :: Compiz=Enabled,Desktop Effects Not Working Properly?

Jan 19, 2011

Im a new member here.So please don't get mad at me.If i posted on a wrong section(Am I in the right section?) By the way,Here is my problem. My graphic card is Intel 82852/82855.And it passes the Ubuntu Desktop Effects requirement. I am aware of enabling the graphic card in Ubuntu 10.10, Since enabling the drivers was successful. I enabled the desktop effects.After i switched to Normal(Graphic Mode)the screen went blank. Then after i clicked ALT+TAB. there is an option to keep this option or not.I clicked Keep this settings. Then i proceeded in Web browsing(because i'm a web addict). Then i click CTRL+ALT+LEFT/RIGHT For the workspaces to switch. Then i found this 4 square transparent with black margin boxes.Which has a weird distorting effect.That effect is going crazy. Then i rebooted(Hoping to fix the problem).Then it is still there.

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Hardware :: ATI Multi Card Multi Display Xinerama Composite

Jun 24, 2011

I have an ATI Radeon HD 3300 on-board video chipset, and an ATI Radeon HD 4350 PCI card. What I want is to have both displays available from one mouse/keyboard. I want to play media on one and have the other as my main desktop.The problem is that with Xinerama enabled, KDE desktop effects do not work (KDE says XComposite and XDamage are not available, even though I explicitly enabled them as extensions in the xorg.conf file), and performance is quite bad. Without Xinerama enabled, performance is great, desktop effects work great, but there's a lot of trouble with full-screen video, and the KWin window manager does not apply in the second display (although I can run a second instance of KWin on :0.1).

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Ubuntu :: Compiz Fusion In Xubuntu 9.10 - Enabled Video Driver But Effects Still Aren't Working

Mar 23, 2010

I am extremely new to Linux and cannot seem to get Compiz Fusion working. I am running Xubuntu 9.10. I enabled my video driver but the effects still aren't working.

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Ubuntu :: Three Monitors - Xinerama And Cannot Get Desktop Effects Running At Normal Or Extra

Feb 28, 2010

Currently I have a perfect setup of 3 monitors,2 GPUs running under Xinerama. I cannot get desktop effects running at Normal or Extra, when I try to enable either one I get the following message "The Composite extension is not available". Without Xinerama it works along with Compiz. I am running Ubuntu 9.04 x64 with a ATI HD4870 and ATI HD4350 GPU. I have the latest ATI display drivers (set up properly to my knowledge). Here is my xorg.conf file.


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Ubuntu :: Visual Effects / Windows XP In GRUB - "desktop Effects Couldn't Be Enabled"

Aug 26, 2010

im using the ubuntu distro and when i goto the visual effects tab and click on normal or extra, it says "desktop effects could not be enabled" also, i have Two hdd's, a 100GB that has windows 7 and ubuntu. and a 250GB that has Windows XP. GRUB didnt notice windows xp though, so its not a boot option.

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Ubuntu :: Gnome 3 - User Theme Extension Not Enabled

May 1, 2011

I did a clean install for ubuntu 11.04. Having seen the power of Gnome 3 (with Fedora) I installed it right away. Some minor problem arose and I had to deinstall accessibility themes and install the "standard" gnome themes. However there is one more problem and I've added a screen shot to show the problem. As you can see, the gnome desktop seems pretty cool but however the tweak tool doesn't show properly (empathy and other apps neither).

Besides the fact that the themes don't properly show in this screen I also get the error "User Theme extension not enabled" now I get the feeling these problems are related, but how do I fix it? I've searched everywhere but as far as I know I seem to be the only one with this problem. I would love to take the full advantage of a Gnome 3 desktop but this is getting to be a big "bump" in the road.

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General :: Compile PHP Version 5.2.9 - Extension Are Not Enabled

Jul 2, 2010

I am using PHP Version 5.2.9. I am facing some problem for some the extension are not enabled. I want to enable that. The extensions are

with gdbm , -with-mysql, all with --with-gd' '--enable-dom' '--enable-dba' '--with-unixODBC' '--enable-pdo' '--enable-xmlreader' '--enable-xmlwriter' '--with-sqlite' '--enable-json' '--with-pspell'
--with-gd' '--enable-dom' '--enable-dba' '--with-unixODBC' '--enable-pdo' '--enable-xmlreader' '--enable-xmlwriter' '--with-sqlite' '--enable-json' '--with-pspell'

how can I compile the PHP and make the modification like the above.

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Ubuntu :: Gnome Shell User-theme Extension Not Enabled?

May 2, 2011

I have gnome-shell installed on Ubuntu 11.04, and installed gnome-tweak. When I open it and try to change the theme, however, it says the user-theme extension is not enabled. How to I fix this?

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Ubuntu :: Desktop Effects Could Not Be Enabled

Apr 30, 2010

I've just completed a successful clean install of Ubuntu 10.04 LTS (32 bit).Out of the box, Desktop effects worked flawlessly.However, after installing the Ati driver from the Hardware Drivers utility, when I try to enable Normal desktop effects (Instead of None) I get a message saying "Desktop Effects Could Not Be Enabled". The Hardware Drivers utility says "Driver is installed and currently in use"

Installing and running glxgears from a terminal gives the error: "Segmentation Fault".The hardware in question is an Ati Radeon 4xxx series (I think it's a 4800 but can't remember exactly)

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Ubuntu :: Desktop Effects Cannot Be Enabled

Jul 17, 2010

how do i enable visual effects. whenever i click to enable it says searching for available driver. then it says desktop effects can not be enabled. I am trying to enable them so i can do the cube and stuff.

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Ubuntu :: 10.10 Desktop Effects Could Not Be Enabled?

Dec 20, 2010

For reasons I cannot fathom my desktop effects have stopped working in Ubuntu 10.10 64 bit, I have an Intel chipset and it was running fine, now they have stopped working.I have tried updating intel PPA's, Compiz PPA's and even X PPA's but nothing works

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Ubuntu :: Desktop Effects Cannot Be Enabled?

Feb 7, 2011

I can't enable my desktop effects. That is when I try to do so I get the error: Quote:Desktop effects can't be enabled.

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Ubuntu :: Desktop Effects Could Not Be Enabled?

Mar 15, 2011

I have to open another DECNBE thread just because I didn't manage to find a solution by studying all the other related stories that took place here in Ubuntuforums.org.Here is my output from Compiz-Check

paneas@ubuntu:~/Downloads/compiz-check$ ./compiz-check
Gathering information about your system...
Distribution: Ubuntu 10.10
Desktop environment: GNOME


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Ubuntu Installation :: Visual Effects Cannot Be Enabled?

May 2, 2010

I have recently updated to Ubuntu 10.04 (version of Gnome Desktop environment: 2.30.0, version of Linux kernel: 2.6.32-21-generic).My problem is that when I try to enable "Visual Effects", I receive an error message: "Desktop effects cannot be enabled". When I attempt to enable Visual Effects, my system starts searching for external device drivers but finds none. I don't believe that the source of the problem should lie in my graphics card (I have a DELL Inspiron 1545 notebook with an Intel Graphics Media Accelerator 4500MHD graphics with up to 1750 MB of dynamically shared memory allocated by the system). With the earlier version of Ubuntu, the 9.10, I didn't have this problem.

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Ubuntu Multimedia :: Desktop Effects Cannot Be Enabled?

Jul 6, 2010

I have an HP Proliant DL380 G6 server (relatively new), and I can't enable desktop effects. I'd think even a recent integrated GPU would be able to do this right? Why can't I do it?

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OpenSUSE Install :: Xinerama Config - Adjust Xinerama To Place 1 Desktop On Each Of 2 Monitors And Not Stretch A Single Over Both

Jan 10, 2010

I would like to adjust Xinerama to place 1 desktop on each of my 2 monitors and not stretch a single over both. With the current set up there is a problem with window placement upon opening new widows or context dialog boxes. I realize that I could adjust placement properties and select window placement with the mouse but this is still lacking in productivity. My monitors are not next to on another so this is more of a problem than it seems.

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Fedora :: Effects Have Been Enabled - Cannot Change

Mar 19, 2010

i have enable the effects but not change... in animators and add ons animations

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General :: Desktop Effects Could Not Be Enabled?

Dec 7, 2010

I'm currently running Ubuntu 10.10 on VMware.My computeas a NVidia 8800GT graphics card.I'm trying to activate the Desktop Effects but keep getting the following error message: "Desktop Effects could not be enabled"I'm very new to Linux so I'm still in the extreme learning phase.My goal is to get Compiz to work. I was able to download/install it but I don't think it's working because of the Desktop Effects issue I have

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Ubuntu :: Error Message: Desktop Effects Could Not Be Enabled

Apr 29, 2010

I go to preferences/appearance to set my visual effects at extra and get an arror message: desktop effects could not be enabled, I tried normal with the same result.

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Ubuntu :: Screen Flashes And Says Effects Couldn't Be Enabled

Oct 14, 2010

Whenever I try to change desktop effects to anything other than none, a window appears saying 'Searching for driver' then the screen flashes and it says effects could not be enabled. Here's the output from System Testing Compiz test: Gathering information about your system. Distribution: Ubuntu 10.10 Desktop environment: GNOME Graphics chip: ATI Technologies Inc M96 [Mobility Radeon HD 4650] Driver in use: fglrx Rendering method: None Checking if it's possible to run Compiz on your system. [SKIP] Checking for hardware/setup problems [SKIP] At least one check had to be skipped: Error: No rendering method in use (AIGLX, Xgl or Nvidia).

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Server :: Error - Xlib: Extension "XINERAMA" Missing On Display ":0.0"

May 26, 2010

I am trying to get xinerama to work with x11vnc on Xvfb and I am getting:

xdpyinfo -ext XINERAMA
Xlib: extension "XINERAMA" missing on display ":0.0".
XINERAMA extension not supported by server

I am using the latest version of x11vnc which says XINERAMA is on by default. I have tried xf4vnc as well and get the same issue.

Xvfb :1 -screen 0 1024x2048x24 &
mwm &
x11vnc -display :1 -bg -nopw -xkb -N

I get a screen that looks like xinerama and windows pass from display to display fine, however xdpyinfo says otherwise and we have software that looks to xdpyinfo to get information about how display guis. When x11vnc was compiled it said it found libXinerama. Not sure what is going on. Does vncviewer need to support xinerama as well? Is there any way to tell if vncviewer does without downloading a newer or different version?

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General :: Desktop Effects Could Not Be Enabled Mint?

Jan 16, 2011

am running Linux mint ver. 10 I can't enable desktop effects,where can i see which display driver i use ?Inside Additional driver all i see is VM VirtualBox Guest additional for linux module

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