An extension enabling window managers to combine multiple monitors to create one large display.

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8
votes
1answer
439 views

Is there a simple, safe way to trigger a GPU lockup on a susceptible computer?

Answers to my previous question, Ubuntu 12.04 froze, requiring powercycle. What should I look / grep for in the logs?, have led me to suspect that my computer is experiencing an intermittent GPU ...
7
votes
1answer
1k views

Xinerama = 1 loses theme [closed]

I am testing out 12.04 and am using Xinerama = 1 in xorg.conf. When I do this, everything seems to work, except that some applications end up with strange looking buttons. Please see this image: ...
4
votes
1answer
649 views

Controlling window placement in unity with twinview

I am running a system running Ubuntu Oneric where i have a DVI monitor and an HDTV as my screens. They are set up using nVidia TwinView. The monitor and TV are not side by side and the intent is to ...
4
votes
3answers
4k views

Multi Monitor Issues after fresh install of Ubuntu 14.04

I just performed a fresh install of Ubuntu 14.04. I have 3 Nvidia Quadro Cards powering three monitors. I used nvidia-settings to enable the three monitors: *NOTE: The forum will not let me post the ...
4
votes
1answer
5k views

Gnome 3 - Multiple Video Cards - Xinerama — Forced Fallback Mode

Just installed a 2nd nvidia video card -- previously had gnome 3 working perfectly with 2 monitors on a a single video card using twinview tried a number of things thus far twinview on 1 card + ...
4
votes
1answer
431 views

Ubuntu 14.04 two Nvidia cards triple screen Xinerama with proprietary driver, third screen black and X cursor [closed]

I am having some issues getting my third screen working properly. I had triple screens working fine on 12.04, using 2 nvidia cards. Did a fresh install of 14.04 and having no end of problems getting ...
3
votes
2answers
10k views

How do I best enable Xinerama?

Following the WoLpH's recommendation I am looking forward to enable Xinerama to set up 2 monitors to be 2 separate Gnome virtual desktops instead of one big. But the thing I worry about is how to set ...
3
votes
1answer
2k views

gnome-mplayer to play on second screen with option xineramascreen

I am trying to make gnome-mplayer play a video in fullscreen on my second screen. I am using a Nvidia card with xineramascreen. Below is my ~/.mplayer/config file. [default] xineramascreen=1 ...
3
votes
5answers
2k views

Dual nVidia GPUs (3 monitors) not working in 11.10

after searching I have not found a solution. I have 2 nvidia quadro 295 cards with 3 monitors but I can not extend twinview across multiple GPUs. I have the most recent nvidia proprietary drivers ...
3
votes
1answer
443 views

Xinerama and double buffering?

Is there any way to enable double buffering while using Xinerama? Seems its not working because everything is flickering (conky, lilyterm, tilda, ...).
2
votes
1answer
895 views

How do I refer to a display with xinerama enabled?

I'd like to launch gnome-terminal on my second monitor, you'd expect something like: ~$ gnome-terminal --display=0:0.1 to work but doesn't as RANDR is disabled or not used when xinerama is enabled. ...
2
votes
2answers
769 views

Awesome multimonitor scenario: how to stop mirroring?

I have this two-monitor configuration that works flawlessly in the default 12.10 GNOME wm. This is my xorg.conf: Section "Monitor" Identifier "VGA0" Option "Enable" "true" Modeline ...
2
votes
2answers
690 views

Xinerama with hardware acceleration at the same time

Is there some way that I can have Xinerama enabled and still use hardware acceleration? I have three monitors on 2 GPUs. I have enabled Xinerama, but now all hardware acceleration is gone. This ...
2
votes
0answers
194 views

How to get 3 monitors to work?

Installed Ubuntu 12.10 on my 1TB HDD. System specs: i7 2600k 16 GB RAM GTX 590 (running all 3 1080p monitors) GTX 560 Ti - would like to dedicate to PhysX Problem: MAJOR nvidia driver stability ...
2
votes
0answers
460 views

Unity (compiz) doesn't work with Xinerama and AMD GPUs

Using 2 AMD gpus to power 3 monitors, when I enable Xinerama and reboot Unity doesn't open. I am using the 12.11 beta drivers from ATI and 12.10 version of Ubuntu. Here is a log using the Unity ...
2
votes
0answers
473 views

Second monitor remains black after installing nvidia 270.18 driver [closed]

I've installed the latest nvidia 270.18 driver from the ~ubuntu-x-swat PPA. Since the driver has been installed my second monitor remains black. In nvidia-settings the second monitor is detected ...
1
vote
1answer
970 views

Nvidia amd64 driver update (290.10 certified) impact on Optimus Systems and bumblebee?

Before installing Bumblebee, many users with optimus enabled systems, when they install the nvidia driver, this latter get on conflict with the integrated graphics driver and then remains inactive. ...
1
vote
1answer
407 views

Problem after enabling Xinerama

I enabled Xinerama and now I cant do anything. All that shows up is my mouse and background. Step by step how do I get back to normal? I also tried opening up programs, perhaps to open Catalyst but I ...
1
vote
1answer
43 views

Desktop region is limited on Xubuntu

I'm using three display setup and Xubuntu 13.10. The useful region of desktops are limited. I can't place icons beyond some region in the center of the screen. Please see the screenshot of my ...
1
vote
2answers
1k views

Rotating one screen with xinerama in a multihead setup

I have a dual-head setup: a "main" screen at 1920X1080, and a "secondary" screen to the right of it, rotated at 90 degrees counter-clockwise. Until Friday (26.10.2012), everything was working fine, ...
1
vote
1answer
1k views

Ubuntu 12.10 Unity wont start when I activate Xinerama with 6 screens

I have 2 video cards. 1X HD7850 (main video card) 1X HD6450 I have installed the driver for ATI AMD Beta 12.11 from AMD website It works very good.. And than, I go in AMD Catalyst Control to ...
1
vote
1answer
2k views

Dual monitor setup on 11.10 without Xinerama AMD/ATI prop. drivers series Radeon 9800

I noticed that using ATI/AMD Radeon 9800 series card and enabling dual monitors with Xinerama, video 3D acceleration doesn't work any more. So I disabled Xinerama and 3D acceleration is back. However, ...
1
vote
1answer
223 views

/usr/lib/ Symbolic Link Gets Over Written during boot

To get the tri-monitor setup I want, I am using the libXinerama hack that allows me fake my layout. In order to use this, I use a patched version of libXinerama and put it in /usr/lib and then change ...
1
vote
2answers
2k views

Moving windows between separate X screens

Is it possible to move a window that was opened on screen "A" (not workspace, but separate X screen) to screen "B" (with or without additional tools which aren't provided by Ubuntu)? I have an nVidia ...
1
vote
0answers
318 views

12.04 NVIDIA Twinview is disabled

Im was trying to get my two monitors running in twinview at NVIDIA X-Server Settings but thw twinview option is disabled... I can only set it up seperated X screens and xinerama which breaks my unity ...
1
vote
0answers
322 views

Rotating Screens With NVidia Multi-Monitor

I'm having a problem with screen rotation. The relevant configuration info I can think of is at the end of this message. I run GNOME not Unity. The xorg.conf, or one very similar to it, worked for ...
1
vote
1answer
75 views

Copying second sceeen to be displayed on first screen

I'm developing an application that utilizes 2 screens, using ubuntu 12.04. The monitor is back to back, one side to the operator, the other facing toward customer. The problem is, on both monitor i ...
1
vote
0answers
263 views

XRandR not found with NVidia driver

I am running two monitors in Xinerama, left and right. I cannot convince the NVidia drivers to rotate the right screen, and XRandR will not run, stating "RandR extension missing". I am running Xorg ...
1
vote
0answers
569 views

How to setup Dual Head with “radeon” driver for R770?

I want to make dual head setup without xrandr but with Xinerama. I put "Screen 1" line into xorg.conf, but card still show identical output on DVI-2 and DVI-3 It is important to use xinerama for me ...
1
vote
0answers
722 views

Ubuntu 12.10 multi-monitor setup isn't working

I have tried everything I can think of and can't get a multi monitor setup working. Can anyone please point me in the right direction? My setup: Asus G75VW with nVidia 670M (supports 3 external ...
1
vote
0answers
708 views

multiple monitors only work with unity 2d [closed]

The only way for me to get three monitors to work is to degrade down to Unity 2D with xinerama. When only one screen is up i.e. two monitors are working with twinview, I am able to use Unity 3D. I'd ...
1
vote
0answers
233 views

Different multi-monitor setups [closed]

On my work laptop, I'm looking for a way to choose which monitor setup is attached (before login, or in GRUB) At work i have a Vertical 2208 Dell monitor, and at home i have U2711(horizontal) and ...
1
vote
0answers
704 views

Radeon display driver clones monitors while using Xinerama [closed]

I'm trying to get my two Radeon HD 4770 cards working with three monitors. Xinerama works so far in the way that I have two fully working monitors were I can move windows from one to the other. My ...
0
votes
1answer
608 views

Dual screen with two ATI cards

I'm trying to get a dual screen setup he main monitor in landscape and the other on portrait. With the ATI binary drivers (CCC) I could have both monitors working although I couldn't activate Xinerama ...
0
votes
2answers
2k views

3 monitors with 2 video cards not working

I'm trying to get ubuntu working w/ 3 monitors. I have been given 2 video cards lspci | grep VGA 20:01:00.0 VGA compatible controller: ATI Technologies Inc RV620 LE [Radeon HD 3450] 25:05:00.0 VGA ...
0
votes
1answer
338 views

unity 3D doesn't work with Nvidia and 2 screens

I added a 2nd screen to my computer. Now unity is not working. I can only login if I use unity 2d. Any idea on how to solve this? Thanks!
0
votes
1answer
7k views

How can I disable xinerama?

I don't think it is running, but according to a bug report and a forum post (I'll add the links later) disabling it should stop skype from crashing. Is there a way to know if it is enable, and if it ...
0
votes
0answers
35 views

Startup stopped at Xinerama - normal?

For an unknown reason when I rebooted my computer it stopped working. I see it can start the graphics engine as it shows the looping cursor and I can even move it, but the login screen does not ...
0
votes
0answers
253 views

Unity and Xinerama: 3 monitors on Ubuntu 13.10

I have 2 video cards and 3 monitors. I want to use them all. Unfortunately, this is the result: The picture of the first monitor is actually visible on the second monitor and so on. The mouse ...
0
votes
0answers
6 views

Rotating one screen with xinerama enabled [duplicate]

Does anyone know a way to do this, assuming there's a workaround to the age old bug?
0
votes
1answer
953 views

In Unity, how can I hide the global menu on an application running fullscreen in a second monitor?

I often play video content on my second screen, and I've noticed that when the fullscreen application loses focus (i.e. I go back to doing something on my main screen) a global menu bar appears above ...
0
votes
1answer
392 views

dual display with matrox g550 card

I installed ubuntu 12.04 on my computer and I have a matrox g550, but I have the problem my dual display is clone. How do I get dual display without being clone? I tried to make one xorg.conf from X ...
0
votes
1answer
572 views

Can't login to Unity 3d after enabling Xinerama for a short moment

Today I connected a second monitor to my computer. I set it up using nVidia's control panel, and all was working quite well, so I figured it won't be a problem to try Xinerama, just to see the ...
0
votes
1answer
636 views

Unable to 'Apply' Settings to nVidia X Server Settings

Im unable to save any settings to nVidia Server Settings. I did 'Save to X Configuration File' but no effect. Enable Xinerama is still unchecked the next time I start X. . Original Image here.
0
votes
1answer
822 views

Drag and Drop Files in Unity with 3 Monitors

I have been experiencing an odd phenomenon in Ubuntu Unity (2D and 3D) with 11.04/11.10 and 12.04. I have three monitors running on nVidia gpus (in Ubuntu 12.04, this configured itself with the ...
0
votes
3answers
1k views

How do I change from Clone to Xinerama mode in Kubuntu? [closed]

I have an ATI Radeon HD 5700 with 2 monitors. In Windows 7 I can use both screens fine (I mean like having a single monitor). I have also installed Kubuntu, but when I log in, the monitors are ...