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.

[Code]....

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Ubuntu :: Can't Enable Normal Or Extra Desktop Effects

Aug 16, 2010

I have Lucid lynx on my laptop, its been working perfectly for months. Recently been trying to get flash videos on sites to play and came across a 'fix' that said to disable desktop effects, which I did.

That didn't work and afterward found out that adobe flash 10 don't work on 64-bit linux, which is what I have. Tried to re-enable desktop effects to normal but got "cannot load desktop effects" popup.

I've removed nvidia driver, reinstall it, tried to enable desktop effects, didn't work. Ran nvidia-settings which said to run as root nvidia-xconfig and restart X(alt-printscr-k), which I did, it didn't work. I just want my desktop effects back, I had it on extra.

Edit: Forgot to mention that at boot, after grub menu nothing shows. No login screen. I have to add "nomodeset" by pressing e at boot menu and typing it to the boot options to get a dialog to choose restart x which then shows the login screen.

Update: I've been searching all over, tried to install by downloading from nvidia site, didn't work, been rebooting like crazy after every try. Installed a bunch of nvidia files from software center and got hardware drivers to have nvidia current. The driver is activated and in use. However I still can't enable desktop effects and ubuntu doesn't boot normally. After the grub menu it shows the logo for a second then blank screen. I have to boot with nomodeset and choose to restart x or start in low graphics mode.

Please help me fix this.

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Jan 10, 2010

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Jul 12, 2011

When i try to add extra effects it says cannot enable desktop effects..and then i type compiz --replace it says

compiz (core) - Fatal: Software rendering detected.
compiz (core) - Error: Failed to manage screen: 0
compiz (core) - Fatal: No manageable screens found on display :0.0

Launching fallback window manager
what i have to do to enable effects..

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Jun 21, 2011

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[Code].....

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May 21, 2010

After working on trying to get my 3 monitors to work with Ubuntu 10.4 and my ATI Radeon HD3200 (IGP) and HD4850 cards, I just had to share the xorg.conf. I am using the default open source drivers that came with 10.4 and I kept KMS enabled (it wouldn't work without it).

Here is my conf:
Code:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "4850-2-Screen"
Screen 1 "4850-1-Screen" RightOf "4850-2-Screen"
Screen 2 "3200-Screen" RightOf "4850-1-Screen"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
Option "Xinerama" "on"
#OPtion "Clone" "off"
EndSection .....

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Dec 23, 2010

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Computer specs:3 monitors
2 Nvidia GTX 275 GFX cards
EVGA 4-way Classified motherboard
12 GB ram
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I'm trying to set up a tri monitor setup. Unfortunately I must use 2 cards, one an AMD HD4350 and a PCI Geforce FX200. (Old skool I know) Due to the restrictions, I am forced to use the open source drivers (else nvidia glx will clash).

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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

Code:
# 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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Code:
$ fglrxinfo display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: ATI Mobility Radeon HD 5800 Series
OpenGL version string: 1.4 (4.0.10237 Compatibility Profile Context)

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I am trying to configure CentOS 5.5 to run Desktop Effectbut Everytime I tried to enable it it gived me "Desktop Effect does not work with Xinerama"I searched everywhere there seems to be nothing about this perticulat issue.so i am hoping that it will get me somewhere here.I used to use ATI Radien X1500 but i have uninstall the fglrx and removed the device.And I am now using: "Intel Corporation 82946GZ/GL Integrated Graphics Controller"Here is my current Xorg.conf

# Xorg configuration created by system-config-display
Section "ServerLayout"
Identifier "single head configuration"

[code]....

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xorg.conf
Code:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 260.19.06 (buildd@yellow) Mon Oct 4 15:59:51 UTC 2010

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" RightOf "Screen1"
Screen 1 "Screen1" 0 0
Screen 2 "Screen2" RightOf "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "1"
EndSection .....

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