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Old 03-03-2019, 09:19 PM   #1
Calebjonmarcus
LQ Newbie
 
Registered: Mar 2019
Posts: 6

Rep: Reputation: Disabled
Xinerama = all black screens on login


So I am running on Bodhi 4.5, I have run into a odd issue. I have 6 identical monitors set up on a GTX 750 ti and a GTX 1050 while I can have both screens up on 2 xscreens. Works great other than when I enable Xinerama and restart lightdm everything comes up on black screens.

Does anyone have any ideas?

My xorg.conf

Code:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 418.43


Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 1080
    Screen      1  "Screen1" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "0"
EndSection

Section "Files"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"

    # HorizSync source: edid, VertRefresh source: edid
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "ViewSonic VA2431 Series"
    HorizSync       24.0 - 82.0
    VertRefresh     50.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "ViewSonic VA2431 Series"
    HorizSync       24.0 - 82.0
    VertRefresh     50.0 - 75.0
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 750 Ti"
    BusID          "PCI:1:0:0"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 1050"
    BusID          "PCI:2:0:0"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "CRT-0"
    Option         "metamodes" "DVI-D-0: nvidia-auto-select +0+0, DVI-D-1: nvidia-auto-select +3840+0, VGA-0: nvidia-auto-select +1920+0"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"

# Removed Option "metamodes" "DVI-D-0: nvidia-auto-select +0+0 {AllowGSYNC=Off}, HDMI-0: nvidia-auto-select +1920+0, DP-1: nvidia-auto-select +3840+0"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "DFP-0"
    Option         "metamodes" "DVI-D-0: nvidia-auto-select +0+0 {rotation=invert, AllowGSYNC=Off}, HDMI-0: nvidia-auto-select +1920+0 {rotation=invert}, DP-1: nvidia-auto-select +3840+0 {rotation=invert}"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Extensions"
    Option         "Composite" "Disable"
EndSection
 
Old 03-04-2019, 07:50 PM   #2
Calebjonmarcus
LQ Newbie
 
Registered: Mar 2019
Posts: 6

Original Poster
Rep: Reputation: Disabled
var/log/Xorg.0.log

After lots of digging and googling after I found the Nvidia logs. They need to be the same GPU and it cant be two different ones. I have ordered another one and will report back with my findings.

https://devtalk.nvidia.com/default/t...t-match-quot-/


Code:
[   843.282] (**) NVIDIA(0): Option "MetaModes" "DVI-D-0: nvidia-auto-select +0+0, DVI-D-1: nvidia-auto-select +3840+0, VGA-0: nvidia-auto-select +1920+0"
[   843.282] (**) NVIDIA(0): Enabling 2D acceleration
[   844.734] (WW) NVIDIA(GPU-0): Both the "MultiGPU" and "SLI" X configuration options were
[   844.734] (WW) NVIDIA(GPU-0):     specified.  The "SLI" option will take precedence.  Please
[   844.734] (WW) NVIDIA(GPU-0):     see Chapter 28: Configuring SLI and Multi-GPU
[   844.734] (WW) NVIDIA(GPU-0):     FrameRendering for more information.
[   844.734] (EE) NVIDIA(GPU-0): Failed to find a valid Base Mosaic configuration.
[   844.734] (EE) NVIDIA(GPU-0): Invalid Base Mosaic configuration 1 of 1:
[   844.734] (EE) NVIDIA(GPU-0): GPUs:
[   844.734] (EE) NVIDIA(GPU-0):     1) NVIDIA GPU at PCI:1:0:0
[   844.734] (EE) NVIDIA(GPU-0):     2) NVIDIA GPU at PCI:2:0:0
[   844.734] (EE) NVIDIA(GPU-0): Errors:
[   844.734] (EE) NVIDIA(GPU-0):     - The video link was not detected
[   844.734] (EE) NVIDIA(GPU-0):     - Unsupported GPU
[   844.734] (EE) NVIDIA(GPU-0):     - Chipset not approved for SLI
[   844.734] (EE) NVIDIA(GPU-0):     - GPU PCI IDs do not match
[   844.734] (WW) NVIDIA(GPU-0): Failed to find a valid Base Mosaic configuration for the
[   844.734] (WW) NVIDIA(GPU-0):     NVIDIA graphics device PCI:1:0:0. Please see Chapter 28:
[   844.734] (WW) NVIDIA(GPU-0):     Configuring SLI and Multi-GPU FrameRendering in the README
[   844.734] (WW) NVIDIA(GPU-0):     for troubleshooting suggestions.
 
2 members found this post helpful.
Old 03-15-2019, 12:08 PM   #3
Calebjonmarcus
LQ Newbie
 
Registered: Mar 2019
Posts: 6

Original Poster
Rep: Reputation: Disabled
All six screens working now that I have 2 of the same video card
 
1 members found this post helpful.
  


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