Ubuntu :: No SLI In Lucid - Dual Monitor?

May 2, 2010

Hard details first:

EVGA nForce 750i SLI mobo
E8400 Wolfdale OC@4.23Ghz
2x GeForce GTS 250 1Gb
2x Acer AL2216W

Soft details:

-Upgraded from 9.10 to 10.04
-I did not have a working SLI config in 9.10
-No matter what fix I tried, only one monitor
-Was running "190.53" 64-bit drivers
-I had spoofed the xorg.conf file to get both working, but only with both plugged into one board, and no SLI option enabled
-Functioning 3360x1050 workspace with the ability to move open apps across monitors, but unable to switch between multiple workspaces

[code]...

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May 1, 2010

When Karmic came along, I upgraded and it was possible for the first time to get a dual monitor display working using only the GUI apps supplied. (I think I used screen resolution) It worked out of the box and took no time whatsoever.

I had a dual monitor set up working with 2 1024 x 768 monitors, with a desktop spanning both, and a background picture doing the same.

The Lucid update has just spectacularly broken this, along with a large number of desktop type changes that were unwanted.

The version of Ubuntu was the usual vanilla, but with enough K stuff installed to make K3b work. The card is a Radeon 9250SE.

Give up and re-install Karmic? Wait for some sort of upgrade to allow either Monitors or Multiple Screens to work - the option to remove cloning is greyed out in one and unticking clone in the other does nothing? Try some other distro?

Does anyone know of a decision to remove any functionality from Lucid that existed in Karmic? Is there any useful background to this that is perhaps not obvious?

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This is a repost of my initial problem, I need some one who knows what they are doing more than I too take a look at this command output and give some sort of direction/clue/etc on what I'm doing wrong or missing.

Is my xorg.conf missing some vital line(s) or setting?

My best guess is that i'm missing something to tell the Xserver to use both screens, as the Xorg.0.log does not talk about trying to bring up the intel display; but this is just a hunch.

I'm running kubuntu 9.04 with 2 monitors: on-board intel video and a PCI nvidia display: I am using my nvidia display fine, but still can not get my 2nd display (the intel) working. What the heck am I missing?

lspci:

Code:

Code:

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just setup suse 11.3 , put on the Nvidia 19.29-22.1 drivers via yast , no kms is set in inetd , nomodeset on grub boot line etc... Even tried installing the driver " the hard way " dual monitors come up, setup xinerama to "Extend" my desktop , and the main monitor ( right side ) is good, visually the left monitor (2ndary) is good.. but whenever I move my mouse over to the left screen the mouse pointer dissapears, flickers along the right hand border of that screen... and if i move the cursor back to the original screen i have to really fight to get it back to the main screen....Copy of my xorg.conf , still very basic...

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 260.19.29 (buildmeister@swio-display-x86-rhel47-04.
nvidia.com) Wed Dec 8 12:27:27 PST 2010

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About minimize/maximize Firefoxe before closing and it seems to work in some case, but not for me.

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Here is my xorg.conf:

Code:

Section "Files"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"

[code]....

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Some specs:

Motherboard: MSI 760gm-e51
CPU: AMD Phenom II 955 Quadcore
MEM: 8Gbs DDR3
VGA: ATI Radeon HD4850
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Code:

Section "ServerLayout"
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[code]....

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I'll try to recall exactly what I did...

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