Ubuntu Multimedia :: Can't Enable The Xinerama / Extended Screen
Aug 26, 2011
I have done a fresh install of ubuntu 11.04. Everything is fine, Ubuntu seemed to be using the opensource ati drivers upon first boot.
Then prompted that I install the ati catalyst control center/drivers from additional drivers which I did.Again smooth sailing untill I decided to enable my HD tv (hdmi) as my secondary screen. This again worked fine cloned. But I could not enable extended. The option is available but requires xinerama to be enabled.
After restarting I could not login. Read up on this and others have has this issue with different cards. I proceeded to login to ubuntu (no effects) session and then swtiched off xinerama. (this did work in this session). The issue is getting it to work with unity. Logged back into unity now but I don't know how I can enable dual screens in extended mode. There are recomendations on other threads advising to use the open source drivers. But these don't work correctly. The card I am using is an ASUS EAH5570. This I believe has the radeon 5570 chip.
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Apr 13, 2011
When my netbook has an extended screen, using an external monitor, all of the panels stay on the netbook, not the big monitor. When I connect an external monitor, I want to use it as my primary screen. I only really intend to use the netbook screen for skype calls (so I am looking into the webcam, and not away from it) since it is so small. I wish the secondary screen to be the netbook, not the external monitor. How can I do this?
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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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Feb 17, 2011
How do you enable a login screen? When I turn on my computer I only get command line. When I log into root I can start my KDE desktop using startx. But if I log into any other user I get the following errorX: usser not authorized to run the X server, aborting.giving up.xinit: No such file or directory (errno 2): unable to connect to X serverxinit: No such process (errno 3): Server error.
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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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Jan 23, 2016
I'm on Debian testing Gnome 3.18 and I searched, tried, searched and tried... no way! numlock will always stays off whenever I reboot and reach login screen.
.... I checked bios settings > numlock is on
- installed numlockx
- added those lines to /etc/gdm3/Init/Default (if [ -x /usr/bin/numlockx ]; then /usr/bin/numlockx on fi)
- checked dconf gnome /settings-daemon /peripherals /keyboard remember-numlock-state: true
....
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Jan 23, 2010
I use 2 monitors under Ubuntu 9.10, but I have them set up in a unique way. The primary (CRT) faces me on my desk, but the other (widescreen LCD) is turned away from me, because I use it only to watch movies from my couch. My video card is an Nvidia GeForce 9800 GTX+, using the proprietary Nvidia driver package, with Xinerama turned on, so the desktop extends across both displays. Given that setup, is there any way to control which display applications open upon? Several apps have started opening on one display or the other, seemingly at random. Further, some apps start on the primary display, but open their subwindows on the secondary display. It's very annoying, because I can't see the second screen, so I can't drag the windows back to the primary desktop.
I would also like to have VLC Media Player (or any other app) always open on the secondary screen, on purpose. I almost never watch movies sitting at my desk, but rather from the couch. I placed a VLC launcher icon on the secondary screen, but when started it opens on the primary display. (If you're wondering how I can click on anything from my couch, I have a wireless mouse there in addition to the wired mouse at my desk. It's my "remote" since I don't have a TV. Xorg will quite happily support 2 or more mice simultaneously, I discovered.)
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Aug 24, 2010
I have a ASRock ION 330 with 512 Mbyte shared graphics memory. I use the 256.44 closed source nvidia drivers and have a Xinerama display consisting of one Asus 1440x900 monitor and one video projector with displaysize of 1280x720. Display: 1440x900 + 1280x720 in Xinerama
I have tried with and without desktop effects enabled, and I have followed the http://tombuntu.com/index.php/2009/0...thout-tearing/ guide to manually set the refresh rate to 60 Hz. The sync to Vblank option is checked, both in CCSM and nvidia-settings under X Server Xvideo Settings and under OpenGL Settings, to no avail.
The files I play are MPEG-2 Transport Stream in 720p. Some are and some are not in Matroska containers. I use SMplayer with vdpau enabled. I've made a comparison of Windows Vista and Ubuntu 10.04 below:[URL].. It's not entirely clear from the video, but the end scroller is choppy on Ubuntu and relatively smooth in Windows Vista.
This setup is to be run in a public cinema, and the chopping and tearing is a complete showstopper. It would be a nice showcase to have Ubuntu in the wild like this, but it can't be used if these issues are not resolved.
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Jan 18, 2011
I am running a multi monitor setup with xinerama, and everything works great except when I try to play an FPS such as OpenArena. The mouse doesn't work, it gets stuck to the screen edge.
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Aug 8, 2011
According to the Wiki about Xinerama
Quote:
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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Jun 6, 2010
UPDATE: I can get the wrapping to stop, but it offsets the image between monitors. It's like the center monitor's image was stretched upward, distorting the alignment with the side monitors, rather than just providing additional space at the top. If I switch it so the two side monitors are 120px lower than the center, (as i had it in 9.04) then the wrapping issue occurs again. This is frustrating. I could use some help. (64-bit Ubuntu 10.04)
After lots, and lots, and lots of googling, configuring, experimentation, and even unplugging and replugging, I finally got all 3 monitors working like I had them in 9.04... Or almost. The center monitor is larger than the two side monitors, being 1920x1200 compared to 1920x1080. When I move the mouse pointer on the center monitor, it hits a ceiling and disappears right around that extra 120 pixel area on top, and can be seen at the bottom of the screen.
[Code]....
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Jul 18, 2010
My current set up in OS X has an external monitor (Acer H243H) and my MBP 13" screen as an extension. The only way for me to currently get the menus and panes on the external monitor is to turn the Macbook display off. is there any way for me to change this?
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Dec 14, 2014
How could xorg be set-up such that different monitors work with different DPI but still compose the same extended display?
I have a 15 inch laptop display extending to the right the main display which is 23 inch. The resolutions are comparable, but the difference in pixel size is very large. Thus, either the external display has too large fonts and UI, or the laptop one has them very small. Moving them at different distances is not entirely possible.
xrandr info:
eDP1 connected primary 1920x1080+2048+0 (normal left inverted right x axis y axis) 344mm x 194mm
VGA1 connected 2048x1152+0+0 (normal left inverted right x axis y axis) 510mm x 287mm
I heard that Windows has a hack (which I can't check) for extending displays with different pixels sizes: it computes in which of the displays a window has most of it's surface and sets the DPI for that window based on that. Thus a window will change DPI when crossing monitors, (and will look too small/large on one of the monitors if it is in the middle).
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Oct 1, 2010
Alright guys. I need to find a way to enable a black screen screensaver (or turn off the monitor, or something to avoid burn in) while the machine is sitting at the login screen and completely turn off the ability for the computer to sleep. how I can accomplish that?
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Mar 9, 2010
I am trying to set up dual monitors for lenny but nosuccess for the moment.
They were working fine for the same setup on ubuntu.
Using xrandr I get:
I read that virtual screen size could be the maximum part which is of no use in comparison to the current size.
So setting a virtual part in my xorg does not help much. If the above is right.
I have:
How to get the external monitor work in the extened screen mode.
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Feb 10, 2010
I recently installed Deluge 1.2.0 from the following PPA:[URL]I using this on two different Linux computers. One is running Linux Mint 8 and the other is running Ubuntu Netbook Remix 9.10. The first time on either computer when I enable WebUI in the Deluge GUI it works fine. However if I ever disable it in plugins section I am subsequently unable to re-enable it (doesn't appear in the side panel again). Rebooting or reinstalling Deluge seems to have no effect.Is this a bug or am I doing something wrong?
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Jan 10, 2010
I have a problem with the screen resolution in that most of the time it defaults to 800 x 600. However on occasions when I switch on the resolution increases however just today when it happened after typing in my password it refused to log me in.
Before anyone asks my password is in lower case and the NUMLOCK is off and I know I'm not mis-typing it.
here's the strange bit, when I reset the computer and the resolution goes back to 800 x 600 it then accepts my password. go figure!
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Nov 16, 2010
I recently upgraded from Lucid to Maverick I can't seem to disable screen lock after resume from suspend. It's a minor annoyance, but still a considerable annoyance to have to enter my password every time the computer wakes up.
I've thusfar
1 - changed screensaver preferences to not lock
2 - set the gnome_keyring_hibernate, gnome_keyring_suspend, hibernate, and suspend, values all to false in gconf-editor
3 - commented out the line LOCK_SCREEN=true in /etc/default/acpi-support
BUT am still being prompted for a password every time the computer wakes up from suspend. I'm stumped, what could I be forgetting?
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Nov 27, 2010
I got a TV I'm using as a monitor, and it has support for 1080p (1920x1080 resolution), but I can't change it to that. I've tried using the graphical monitor preferences and adding to to xrandr manually and trying to change it, but it doesn't work.
The computer I'm using has a (crappy) intel g31 graphics chipset, could this be why? I looked it up and it says it should support it. It also says that it needs a special fix/driver because they had problems, but I can't/don't know how to get the driver on ubuntu.
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Mar 15, 2011
I have Debian 6 installed. Is there a way for the web browsers (Iceweasel and Chromium) to recognize the multimedia plugins (gstreamer0.10) that were installed? about:plugins in the browser, references Gnash as the only plugin available.
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Jun 21, 2011
Did a new install with a system that worked well on 10, with Xinerama. I have nvidia 9500 GT cards, but I dont think its driver related. Screen 0 is the center Screen 2 is to the right And Screen 3 is to the left.. When Xinerama is disabled things work flawlessly, but not using Xinerama is a killer to me. The nvidia configuration utility generates the following xorg.conf when Xinerama is disabled. It gets the locations right and the mouse moves correctly between screens.
[Code].....
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Aug 11, 2009
I just finished installing Fedora 11 and I'd love to love it but the issue is I can't see the screen without straining my eyes. So I bring to you almighty support forum a challenge: Need to enable the screen backlight. The laptop model is an Asus G50-X5
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May 22, 2009
Does anyone know a way to activate a screensaver at the login screen? I've got about 5 machines here, and I'd really like the ability to just have the screensaver come on after 5 minutes of sitting there with nobody logged in...
Even a way to blank the screen would be nice. However, if we were to blank the screen, I need to ensure that it doesn't do a DPMS blanking, since we use calibrated monitors here, and turning them off sucks.
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Apr 29, 2010
I have 3 monitors across 2 video cards, thusly I must use Xinerama (And xserver-xgl for compiz of course, but that's another story and regardless of this issue) in order to combine all three monitors into one large session.
The issue is that, on 10.04 due to an update to xorg which has a regression, moving my mouse across to the left monitor causes it to flicker back and forth between the left and center monitor (While also freezing the rest of the display), and it eventually crashes xorg shortly after. This bug has been reported [URL] and has been open since Ubuntu 10.04 alpha, but perhaps there is some workaround here as this is a make-or-break thing for me. If I can't get this working, it's back to Windows...
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Apr 27, 2011
I am trying the daily build of Ubuntu 11.04. When I try to enable Xinerama, so that I can move windows between my two displays, then I log out, and back in, it simply breaks Unity.
I was getting the sidebar, almost on the right side, and the screen was all broken, then the behaviour changed to simply not displaying anithing, Unity not loading whatsoever.
I turned off Xinerama (by editing my xorg.conf) and diabled it, and Unity works perfect.
Here's a copy of my xorg.conf
Quote:
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Mar 24, 2010
I am new to Ubuntu and facing a strange problem right now.
I want to take a screen shot of FF browser with expanded menu items.
I could take the same without expanded menu items, but when I click say File/Edit/View and then click on Prnt Scrn nothing happens.
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Feb 28, 2010
I was wondering, does anybody know if Xinerama works in 3D openGL applications? I want to run six 1080p monitors on two HD 5750's all spanned together into one big monitor for playing X Plane. Possible?
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Jan 11, 2011
I have recently upgraded to -current. I am mostly happy, except for one only tiny thing: my fonts look really, really ugly on OpenOffice.org 3.2.1. All other apps show the fonts decently. I even installed the MS2007 fonts, which properly set up look smoothly antialiased (even in Firefox). But all fonts look horrible on OOO. After doing some research about the cause of this ugliness, I came to found some light here: [URL]...
[code]....
If there is any way to a)disable/kill Xinerama; or b)deuglyfing OOO, I would be interested to know. Any way that doesn't involve recompiling some things (not that I wouldn't want to recompile X without Xinerama support for instance -that could be fun-, but there must be a way to do it without recompiling).
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Mar 30, 2010
A few days ago Windows disabled a diagnostic service. And because of that, "There was no network available". Enabling it wasn't possible, because of admin rights (Wich I had, but services.mmc probably didn't noticed, LOL) So, I decided to install openSuSe. After successfully installing the Nvidia drivers, I got stuck by enabling the third monitor.
My setup:
Core i7 860
8GB Ram
Nvidia GTX295
Nvidia 8800GT
[code].....
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Mar 16, 2011
I've got a Dell Xeon with two video cards - an nVidia Quadro2 MXR/EX/Go and an ATI Radeon 7000/VE. Under Fedora 10 Xinerama worked just fine, but I recently upgraded to F14 and Xinerama no longer works.The X server tries repeatedly to start but fails, with gdm-binary eventually giving up in disgust. If I comment out the ''Option "Xinerama" "On"' line it starts up (see attached xorg.conf), albeit with a few quirks. I have two X screens (:0.0 and :0.1 - one for each monitor), where :0.0 works just fine but :0.1 has no window manager - I can bring up windows on it but they have no window border ( no min/max/close buttons, can't be resized, etc). The mouse moves freely from one monitor to the other, but windows don't.The error messages I get when I try to use Xinerama are as follows. In /var/log/messages I get:
Mar 10 10:32:41 valdez kernel: [60328.892005] [drm] nouveau 0000:01:00.0: Allocating FIFO number 1
Mar 10 10:32:41 valdez kernel: [60328.892477] [drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 1
Mar 10 10:32:41 valdez kernel: [60328.907615] [drm] nouveau 0000:01:00.0: nouveau_channel_free: freeing fifo 1
Mar 10 10:32:41 valdez gdm-binary[21435]: WARNING: GdmDisplay: display lasted 0.457045 seconds
[code]....
I've tinkered around with xrandr a bit but have had no luck - mostly the screen flickers briefly and things continue on as they were before.
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