3 Monitors, Ubuntu 12.04, Gnome 3, 2 nvidia cards, WITH xrandr or xinerama?

**DJYoshaBYD** · October 14th, 2012

Now, I disabled xinerama and enabled composite, which should enable RandR and get all 3 screens working with compositing. Alas, it did not work. It defaulted back to classic, added a couple of panels, and now the left screen works, without compositing, and the center and right screen are white with panels, but when I right click them, they work like separate X screens.

Here is the xorg.conf for this setup:

Code:

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
Screen 2 "Screen2" RightOf "Screen1"
Option "Xinerama" "0"
#	Option         "AIGLX" "true"
#	Option         "RenderAccel" "true"
	Option         "AllowGLXWithComposite" "true"
#	Option         "XGL" "true"
EndSection

Section "Module"
#	Load           "dbe"
#	Load           "extmod"
#	Load           "type1"
#	Load           "freetype"
	Load	       "glx"
	Load           "dri"
EndSection

Section "DRI"
    Mode 0666
EndSection

Section "Extensions"
	Option         "Composite" "enabled"
EndSection

############################################################################
############################# Monitors
##############################################################################

Section "Monitor"
Identifier "Monitor0"
VendorName "Acer"
ModelName "20 Inch"
HorizSync 24.0 - 82.0
VertRefresh 48.0 - 76.0
Option "DPMS"
EndSection

Section "Monitor"
Identifier "Monitor1"
VendorName "HP"
ModelName "MidPuta"
HorizSync 24.0 - 82.0
VertRefresh 48.0 - 76.0
Option "DPMS"
EndSection

Section "Monitor"
Identifier "Monitor2"
VendorName "Samsung"
ModelName "10 Inch"
HorizSync 24.0 - 82.0
VertRefresh 48.0 - 76.0
Option "DPMS"
EndSection

##########################################################################################
################################ Devices
############################################################################################3

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GT 240"
BusID "PCI:3:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GT 240"
BusID "PCI:3:0:0"
Screen 1
EndSection

Section "Device"
Identifier "Device2"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "8600 GT"
BusID "PCI:6:0:0"
Screen 0
EndSection

#############################################################################
######################### Screens
############################################################################

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "DFP-1: nvidia-auto-select +0+0"
Option         "AddARGBGLXVisuals" "True"
SubSection "Display"
Depth 24
EndSubSection
EndSection


Section "Screen"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
Option         "AddARGBGLXVisuals" "True"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen2"
Device "Device2"
Monitor "Monitor2"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "DFP-0: nvidia-auto-select +0+0"
Option         "AddARGBGLXVisuals" "True"
SubSection "Display"
Depth 24
EndSubSection
EndSection

and here is the log for this setup:

Code:

[    24.023] 
X.Org X Server 1.11.3
Release Date: 2011-12-16
[    24.023] X Protocol Version 11, Revision 0
[    24.023] Build Operating System: Linux 2.6.42-23-generic x86_64 Ubuntu
[    24.023] Current Operating System: Linux TIFA 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64
[    24.023] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-32-generic root=UUID=cffe6d68-aaae-462f-9d3a-10f563f553d9 ro quiet splash vt.handoff=7
[    24.023] Build Date: 29 August 2012  12:12:33AM
[    24.023] xorg-server 2:1.11.4-0ubuntu10.8 (For technical support please see http://www.ubuntu.com/support) 
[    24.023] Current version of pixman: 0.24.4
[    24.023] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[    24.023] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    24.023] (==) Log file: "/var/log/Xorg.0.log", Time: Sun Oct 14 14:52:51 2012
[    24.023] (==) Using config file: "/etc/X11/xorg.conf"
[    24.023] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    24.024] (==) ServerLayout "Layout0"
[    24.024] (**) |-->Screen "Screen0" (0)
[    24.024] (**) |   |-->Monitor "Monitor0"
[    24.024] (**) |   |-->Device "Device0"
[    24.024] (**) |-->Screen "Screen1" (1)
[    24.024] (**) |   |-->Monitor "Monitor1"
[    24.024] (**) |   |-->Device "Device1"
[    24.024] (**) |-->Screen "Screen2" (2)
[    24.024] (**) |   |-->Monitor "Monitor2"
[    24.024] (**) |   |-->Device "Device2"
[    24.024] (**) Option "Xinerama" "0"
[    24.024] (==) Automatically adding devices
[    24.024] (==) Automatically enabling devices
[    24.024] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[    24.024] 	Entry deleted from font path.
[    24.024] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[    24.024] 	Entry deleted from font path.
[    24.024] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[    24.024] 	Entry deleted from font path.
[    24.024] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[    24.024] 	Entry deleted from font path.
[    24.024] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[    24.024] 	Entry deleted from font path.
[    24.024] (WW) The directory "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" does not exist.
[    24.024] 	Entry deleted from font path.
[    24.024] (==) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/Type1,
	built-ins
[    24.024] (==) ModulePath set to "/usr/lib/x86_64-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[    24.024] (**) Extension "Composite" is enabled
[    24.024] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[    24.024] (II) Loader magic: 0x7f91b9eefb00
[    24.024] (II) Module ABI versions:
[    24.024] 	X.Org ANSI C Emulation: 0.4
[    24.024] 	X.Org Video Driver: 11.0
[    24.024] 	X.Org XInput driver : 16.0
[    24.024] 	X.Org Server Extension : 6.0
[    24.025] (--) PCI:*(0:3:0:0) 10de:0ca3:196e:0789 rev 162, Mem @ 0xec000000/16777216, 0xb0000000/268435456, 0xce000000/33554432, I/O @ 0x0000dc00/128, BIOS @ 0x????????/524288
[    24.025] (--) PCI: (0:6:0:0) 10de:0402:196e:043a rev 161, Mem @ 0xea000000/16777216, 0x80000000/536870912, 0xe8000000/33554432, I/O @ 0x0000ac00/128, BIOS @ 0x????????/131072
[    24.025] (II) Open ACPI successful (/var/run/acpid.socket)
[    24.025] (II) "extmod" will be loaded by default.
[    24.025] (II) "dbe" will be loaded by default.
[    24.025] (II) "glx" will be loaded. This was enabled by default and also specified in the config file.
[    24.025] (II) "record" will be loaded by default.
[    24.025] (II) "dri" will be loaded. This was enabled by default and also specified in the config file.
[    24.025] (II) "dri2" will be loaded by default.
[    24.025] (II) LoadModule: "glx"
[    24.026] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so
[    24.037] (II) Module glx: vendor="NVIDIA Corporation"
[    24.037] 	compiled for 4.0.2, module version = 1.0.0
[    24.037] 	Module class: X.Org Server Extension
[    24.037] (II) NVIDIA GLX Module  295.40  Thu Apr  5 21:57:38 PDT 2012
[    24.037] (II) Loading extension GLX
[    24.037] (II) LoadModule: "dri"
[    24.037] (II) Loading /usr/lib/xorg/modules/extensions/libdri.so
[    24.037] (II) Module dri: vendor="X.Org Foundation"
[    24.037] 	compiled for 1.11.3, module version = 1.0.0
[    24.037] 	ABI class: X.Org Server Extension, version 6.0
[    24.037] (II) Loading extension XFree86-DRI
[    24.037] (II) LoadModule: "extmod"
[    24.037] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
[    24.038] (II) Module extmod: vendor="X.Org Foundation"
[    24.038] 	compiled for 1.11.3, module version = 1.0.0
[    24.038] 	Module class: X.Org Server Extension
[    24.038] 	ABI class: X.Org Server Extension, version 6.0
[    24.038] (II) Loading extension MIT-SCREEN-SAVER
[    24.038] (II) Loading extension XFree86-VidModeExtension
[    24.038] (II) Loading extension XFree86-DGA
[    24.038] (II) Loading extension DPMS
[    24.038] (II) Loading extension XVideo
[    24.038] (II) Loading extension XVideo-MotionCompensation
[    24.038] (II) Loading extension X-Resource
[    24.038] (II) LoadModule: "dbe"
[    24.038] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
[    24.038] (II) Module dbe: vendor="X.Org Foundation"
[    24.038] 	compiled for 1.11.3, module version = 1.0.0
[    24.038] 	Module class: X.Org Server Extension
[    24.038] 	ABI class: X.Org Server Extension, version 6.0
[    24.038] (II) Loading extension DOUBLE-BUFFER
[    24.038] (II) LoadModule: "record"
[    24.038] (II) Loading /usr/lib/xorg/modules/extensions/librecord.so
[    24.038] (II) Module record: vendor="X.Org Foundation"
[    24.038] 	compiled for 1.11.3, module version = 1.13.0
[    24.038] 	Module class: X.Org Server Extension
[    24.038] 	ABI class: X.Org Server Extension, version 6.0
[    24.038] (II) Loading extension RECORD
[    24.038] (II) LoadModule: "dri2"
[    24.038] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[    24.038] (II) Module dri2: vendor="X.Org Foundation"
[    24.038] 	compiled for 1.11.3, module version = 1.2.0
[    24.038] 	ABI class: X.Org Server Extension, version 6.0
[    24.038] (II) Loading extension DRI2
[    24.038] (II) LoadModule: "nvidia"
[    24.038] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[    24.039] (II) Module nvidia: vendor="NVIDIA Corporation"
[    24.039] 	compiled for 4.0.2, module version = 1.0.0
[    24.039] 	Module class: X.Org Video Driver
[    24.039] (II) NVIDIA dlloader X Driver  295.40  Thu Apr  5 21:38:35 PDT 2012
[    24.039] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[    24.039] (++) using VT number 7

[    24.039] (II) Loading sub module "fb"
[    24.039] (II) LoadModule: "fb"
[    24.039] (II) Loading /usr/lib/xorg/modules/libfb.so
[    24.039] (II) Module fb: vendor="X.Org Foundation"
[    24.039] 	compiled for 1.11.3, module version = 1.0.0
[    24.039] 	ABI class: X.Org ANSI C Emulation, version 0.4
[    24.039] (II) Loading sub module "wfb"
[    24.039] (II) LoadModule: "wfb"
[    24.073] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    24.073] (II) Module wfb: vendor="X.Org Foundation"
[    24.073] 	compiled for 1.11.3, module version = 1.0.0
[    24.073] 	ABI class: X.Org ANSI C Emulation, version 0.4
[    24.073] (II) Loading sub module "ramdac"
[    24.073] (II) LoadModule: "ramdac"
[    24.073] (II) Module "ramdac" already built-in
[    24.073] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[    24.073] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    24.073] (II) Loading /usr/lib/xorg/modules/libfb.so
[    24.073] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[    24.073] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    24.073] (II) Loading /usr/lib/xorg/modules/libfb.so
[    24.073] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[    24.073] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    24.073] (II) Loading /usr/lib/xorg/modules/libfb.so
[    24.073] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
[    24.073] (==) NVIDIA(0): RGB weight 888
[    24.073] (==) NVIDIA(0): Default visual is TrueColor
[    24.073] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[    24.073] (**) NVIDIA(0): Option "TwinView" "0"
[    24.073] (**) NVIDIA(0): Option "MetaModes" "DFP-1: nvidia-auto-select +0+0"
[    24.073] (**) NVIDIA(0): Option "AddARGBGLXVisuals" "True"
[    24.073] (**) NVIDIA(0): Enabling 2D acceleration
[    25.591] (WW) NVIDIA(GPU-0): Unable to read EDID for display device CRT-1
[    25.608] (II) NVIDIA(GPU-0): Display (Acer X193W+ (DFP-1)) does not support NVIDIA 3D
[    25.608] (II) NVIDIA(GPU-0):     Vision stereo.
[    25.609] (II) NVIDIA(0): NVIDIA GPU GeForce GT 240 (GT215) at PCI:3:0:0 (GPU-0)
[    25.609] (--) NVIDIA(0): Memory: 1048576 kBytes
[    25.609] (--) NVIDIA(0): VideoBIOS: 70.15.20.00.51
[    25.609] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[    25.609] (--) NVIDIA(0): Interlaced video modes are supported on this GPU
[    25.611] (--) NVIDIA(0): Connected display device(s) on GeForce GT 240 at PCI:3:0:0
[    25.611] (--) NVIDIA(0):     CRT-1
[    25.612] (--) NVIDIA(0):     Acer X193W+ (DFP-1)
[    25.612] (--) NVIDIA(0): CRT-1: 400.0 MHz maximum pixel clock
[    25.612] (--) NVIDIA(0): Acer X193W+ (DFP-1): 165.0 MHz maximum pixel clock
[    25.612] (--) NVIDIA(0): Acer X193W+ (DFP-1): Internal Single Link TMDS
[    25.612] (II) NVIDIA(0): Display Device found referenced in MetaMode: DFP-1
[    25.612] (**) NVIDIA(0): Using HorizSync/VertRefresh ranges from the EDID for display
[    25.612] (**) NVIDIA(0):     device Acer X193W+ (DFP-1) (Using EDID frequencies has
[    25.612] (**) NVIDIA(0):     been enabled on all display devices.)
[    25.668] (II) NVIDIA(0): Assigned Display Device: DFP-1
[    25.668] (II) NVIDIA(0): Validated modes:
[    25.668] (II) NVIDIA(0):     "DFP-1:nvidia-auto-select+0+0"
[    25.668] (II) NVIDIA(0): Virtual screen size determined to be 1680 x 1050
[    25.691] (--) NVIDIA(0): DPI set to (104, 102); computed from "UseEdidDpi" X config
[    25.691] (--) NVIDIA(0):     option
[    25.691] (**) NVIDIA(0): Enabling 32-bit ARGB GLX visuals.
[    25.691] (**) NVIDIA(1): Depth 24, (--) framebuffer bpp 32
[    25.691] (==) NVIDIA(1): RGB weight 888
[    25.691] (==) NVIDIA(1): Default visual is TrueColor
[    25.691] (==) NVIDIA(1): Using gamma correction (1.0, 1.0, 1.0)
[    25.691] (**) NVIDIA(1): Option "TwinView" "0"
[    25.691] (**) NVIDIA(1): Option "MetaModes" "CRT-1: nvidia-auto-select +0+0"
[    25.691] (**) NVIDIA(1): Option "AddARGBGLXVisuals" "True"
[    25.691] (II) NVIDIA(1): NVIDIA GPU GeForce GT 240 (GT215) at PCI:3:0:0 (GPU-0)
[    25.691] (--) NVIDIA(1): Memory: 1048576 kBytes
[    25.691] (--) NVIDIA(1): VideoBIOS: 70.15.20.00.51
[    25.691] (II) NVIDIA(1): Detected PCI Express Link width: 16X
[    25.691] (--) NVIDIA(1): Interlaced video modes are supported on this GPU
[    25.693] (--) NVIDIA(1): Connected display device(s) on GeForce GT 240 at PCI:3:0:0
[    25.693] (--) NVIDIA(1):     CRT-1
[    25.693] (--) NVIDIA(1):     Acer X193W+ (DFP-1)
[    25.693] (--) NVIDIA(1): CRT-1: 400.0 MHz maximum pixel clock
[    25.693] (--) NVIDIA(1): Acer X193W+ (DFP-1): 165.0 MHz maximum pixel clock
[    25.693] (--) NVIDIA(1): Acer X193W+ (DFP-1): Internal Single Link TMDS
[    25.693] (II) NVIDIA(1): Display Device found referenced in MetaMode: CRT-1
[    25.693] (**) NVIDIA(1): Using HorizSync/VertRefresh ranges from the EDID for display
[    25.693] (**) NVIDIA(1):     device CRT-1 (Using EDID frequencies has been enabled on
[    25.693] (**) NVIDIA(1):     all display devices.)
[    25.704] (II) NVIDIA(1): Assigned Display Device: CRT-1
[    25.704] (II) NVIDIA(1): Validated modes:
[    25.704] (II) NVIDIA(1):     "CRT-1:nvidia-auto-select+0+0"
[    25.704] (II) NVIDIA(1): Virtual screen size determined to be 1024 x 768
[    25.706] (WW) NVIDIA(1): Unable to get display device CRT-1's EDID; cannot compute DPI
[    25.706] (WW) NVIDIA(1):     from CRT-1's EDID.
[    25.706] (==) NVIDIA(1): DPI set to (75, 75); computed from built-in default
[    25.706] (**) NVIDIA(1): Enabling 32-bit ARGB GLX visuals.
[    25.706] (**) NVIDIA(2): Depth 24, (--) framebuffer bpp 32
[    25.706] (==) NVIDIA(2): RGB weight 888
[    25.706] (==) NVIDIA(2): Default visual is TrueColor
[    25.706] (==) NVIDIA(2): Using gamma correction (1.0, 1.0, 1.0)
[    25.706] (**) NVIDIA(2): Option "TwinView" "0"
[    25.706] (**) NVIDIA(2): Option "MetaModes" "DFP-0: nvidia-auto-select +0+0"
[    25.706] (**) NVIDIA(2): Option "AddARGBGLXVisuals" "True"
[    25.707] (**) NVIDIA(2): Enabling 2D acceleration
[    26.795] (II) NVIDIA(GPU-1): Display (Samsung SyncMaster (DFP-0)) does not support NVIDIA
[    26.795] (II) NVIDIA(GPU-1):     3D Vision stereo.
[    26.800] (II) NVIDIA(2): NVIDIA GPU GeForce 8600 GT (G84) at PCI:6:0:0 (GPU-1)
[    26.800] (--) NVIDIA(2): Memory: 524288 kBytes
[    26.800] (--) NVIDIA(2): VideoBIOS: 60.84.34.00.51
[    26.800] (II) NVIDIA(2): Detected PCI Express Link width: 16X
[    26.800] (--) NVIDIA(2): Interlaced video modes are supported on this GPU
[    26.804] (--) NVIDIA(2): Connected display device(s) on GeForce 8600 GT at PCI:6:0:0
[    26.804] (--) NVIDIA(2):     Samsung SyncMaster (DFP-0)
[    26.804] (--) NVIDIA(2): Samsung SyncMaster (DFP-0): 330.0 MHz maximum pixel clock
[    26.804] (--) NVIDIA(2): Samsung SyncMaster (DFP-0): Internal Dual Link TMDS
[    26.804] (II) NVIDIA(2): Display Device found referenced in MetaMode: DFP-0
[    26.804] (**) NVIDIA(2): Using HorizSync/VertRefresh ranges from the EDID for display
[    26.804] (**) NVIDIA(2):     device Samsung SyncMaster (DFP-0) (Using EDID frequencies
[    26.804] (**) NVIDIA(2):     has been enabled on all display devices.)
[    26.862] (II) NVIDIA(2): Assigned Display Device: DFP-0
[    26.862] (II) NVIDIA(2): Validated modes:
[    26.862] (II) NVIDIA(2):     "DFP-0:nvidia-auto-select+0+0"
[    26.862] (II) NVIDIA(2): Virtual screen size determined to be 1440 x 900
[    26.870] (--) NVIDIA(2): DPI set to (89, 87); computed from "UseEdidDpi" X config
[    26.870] (--) NVIDIA(2):     option
[    26.870] (**) NVIDIA(2): Enabling 32-bit ARGB GLX visuals.
[    26.870] (--) Depth 24 pixmap format is 32 bpp
[    26.870] (II) NVIDIA: Using 768.00 MB of virtual memory for indirect memory access.
[    26.876] (II) NVIDIA(0): Setting mode "DFP-1:nvidia-auto-select+0+0"
[    26.911] (II) Loading extension NV-GLX
[    26.945] (==) NVIDIA(0): Disabling shared memory pixmaps
[    26.945] (==) NVIDIA(0): Backing store disabled
[    26.945] (==) NVIDIA(0): Silken mouse enabled
[    26.946] (**) NVIDIA(0): DPMS enabled
[    26.946] (II) Loading extension NV-CONTROL
[    26.946] (II) Loading extension XINERAMA
[    26.946] (II) Loading sub module "dri2"
[    26.946] (II) LoadModule: "dri2"
[    26.946] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[    26.946] (II) Module dri2: vendor="X.Org Foundation"
[    26.946] 	compiled for 1.11.3, module version = 1.2.0
[    26.946] 	ABI class: X.Org Server Extension, version 6.0
[    26.946] (II) NVIDIA(0): [DRI2] Setup complete
[    26.946] (II) NVIDIA(0): [DRI2]   VDPAU driver: nvidia
[    26.946] (==) RandR enabled
[    26.950] (II) NVIDIA(1): Setting mode "CRT-1:nvidia-auto-select+0+0"
[    27.141] (==) NVIDIA(1): Disabling shared memory pixmaps
[    27.141] (==) NVIDIA(1): Backing store disabled
[    27.141] (==) NVIDIA(1): Silken mouse enabled
[    27.141] (**) NVIDIA(1): DPMS enabled
[    27.142] (II) Loading sub module "dri2"
[    27.142] (II) LoadModule: "dri2"
[    27.142] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[    27.142] (II) Module dri2: vendor="X.Org Foundation"
[    27.142] 	compiled for 1.11.3, module version = 1.2.0
[    27.142] 	ABI class: X.Org Server Extension, version 6.0
[    27.142] (II) NVIDIA(1): [DRI2] Setup complete
[    27.142] (II) NVIDIA(1): [DRI2]   VDPAU driver: nvidia
[    27.142] (==) RandR enabled
[    27.151] (II) NVIDIA(2): Setting mode "DFP-0:nvidia-auto-select+0+0"
[    27.253] (==) NVIDIA(2): Disabling shared memory pixmaps
[    27.253] (==) NVIDIA(2): Backing store disabled
[    27.253] (==) NVIDIA(2): Silken mouse enabled
[    27.253] (**) NVIDIA(2): DPMS enabled
[    27.253] (II) Loading sub module "dri2"
[    27.253] (II) LoadModule: "dri2"
[    27.253] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[    27.253] (II) Module dri2: vendor="X.Org Foundation"
[    27.253] 	compiled for 1.11.3, module version = 1.2.0
[    27.253] 	ABI class: X.Org Server Extension, version 6.0
[    27.253] (II) NVIDIA(2): [DRI2] Setup complete
[    27.253] (II) NVIDIA(2): [DRI2]   VDPAU driver: nvidia
[    27.253] (==) RandR enabled
[    27.253] (II) Initializing built-in extension Generic Event Extension
[    27.253] (II) Initializing built-in extension SHAPE
[    27.253] (II) Initializing built-in extension MIT-SHM
[    27.253] (II) Initializing built-in extension XInputExtension
[    27.253] (II) Initializing built-in extension XTEST
[    27.253] (II) Initializing built-in extension BIG-REQUESTS
[    27.253] (II) Initializing built-in extension SYNC
[    27.253] (II) Initializing built-in extension XKEYBOARD
[    27.253] (II) Initializing built-in extension XC-MISC
[    27.253] (II) Initializing built-in extension SECURITY
[    27.253] (II) Initializing built-in extension XINERAMA
[    27.253] (II) Initializing built-in extension XFIXES
[    27.253] (II) Initializing built-in extension RENDER
[    27.253] (II) Initializing built-in extension RANDR
[    27.253] (II) Initializing built-in extension COMPOSITE
[    27.253] (II) Initializing built-in extension DAMAGE
[    27.254] (II) Initializing extension GLX
[    27.273] (II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
[    27.275] (II) config/udev: Adding input device Power Button (/dev/input/event1)
[    27.275] (**) Power Button: Applying InputClass "evdev keyboard catchall"
[    27.275] (II) LoadModule: "evdev"
[    27.276] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    27.276] (II) Module evdev: vendor="X.Org Foundation"
[    27.276] 	compiled for 1.11.3, module version = 2.7.0
[    27.276] 	Module class: X.Org XInput Driver
[    27.276] 	ABI class: X.Org XInput driver, version 16.0
[    27.276] (II) Using input driver 'evdev' for 'Power Button'
[    27.276] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    27.276] (**) Power Button: always reports core events
[    27.276] (**) evdev: Power Button: Device: "/dev/input/event1"
[    27.276] (--) evdev: Power Button: Vendor 0 Product 0x1
[    27.276] (--) evdev: Power Button: Found keys
[    27.276] (II) evdev: Power Button: Configuring as keyboard
[    27.276] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1/event1"
[    27.276] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[    27.276] (**) Option "xkb_rules" "evdev"
[    27.276] (**) Option "xkb_model" "pc105"
[    27.276] (**) Option "xkb_layout" "us"
[    27.276] (II) config/udev: Adding input device Power Button (/dev/input/event0)
[    27.276] (**) Power Button: Applying InputClass "evdev keyboard catchall"
[    27.276] (II) Using input driver 'evdev' for 'Power Button'
[    27.276] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    27.276] (**) Power Button: always reports core events
[    27.276] (**) evdev: Power Button: Device: "/dev/input/event0"
[    27.276] (--) evdev: Power Button: Vendor 0 Product 0x1
[    27.276] (--) evdev: Power Button: Found keys
[    27.276] (II) evdev: Power Button: Configuring as keyboard
[    27.276] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0/event0"
[    27.276] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 7)
[    27.276] (**) Option "xkb_rules" "evdev"
[    27.276] (**) Option "xkb_model" "pc105"
[    27.277] (**) Option "xkb_layout" "us"
[    27.277] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=9 (/dev/input/event4)
[    27.277] (II) No input driver specified, ignoring this device.
[    27.277] (II) This device may have been added with another device file.
[    27.277] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=8 (/dev/input/event5)
[    27.277] (II) No input driver specified, ignoring this device.
[    27.277] (II) This device may have been added with another device file.
[    27.277] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=7 (/dev/input/event6)
[    27.277] (II) No input driver specified, ignoring this device.
[    27.277] (II) This device may have been added with another device file.
[    27.277] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=3 (/dev/input/event7)
[    27.278] (II) No input driver specified, ignoring this device.
[    27.278] (II) This device may have been added with another device file.
[    27.278] (II) config/udev: Adding input device Logitech USB Trackball (/dev/input/event3)
[    27.278] (**) Logitech USB Trackball: Applying InputClass "evdev pointer catchall"
[    27.278] (II) Using input driver 'evdev' for 'Logitech USB Trackball'
[    27.278] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    27.278] (**) Logitech USB Trackball: always reports core events
[    27.278] (**) evdev: Logitech USB Trackball: Device: "/dev/input/event3"
[    27.278] (--) evdev: Logitech USB Trackball: Vendor 0x46d Product 0xc408
[    27.278] (--) evdev: Logitech USB Trackball: Found 9 mouse buttons
[    27.278] (--) evdev: Logitech USB Trackball: Found relative axes
[    27.278] (--) evdev: Logitech USB Trackball: Found x and y relative axes
[    27.278] (II) evdev: Logitech USB Trackball: Configuring as mouse
[    27.278] (**) evdev: Logitech USB Trackball: YAxisMapping: buttons 4 and 5
[    27.278] (**) evdev: Logitech USB Trackball: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[    27.278] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:0b.0/usb2/2-9/2-9:1.0/input/input3/event3"
[    27.278] (II) XINPUT: Adding extended input device "Logitech USB Trackball" (type: MOUSE, id 8)
[    27.278] (II) evdev: Logitech USB Trackball: initialized for relative axes.
[    27.278] (**) Logitech USB Trackball: (accel) keeping acceleration scheme 1
[    27.278] (**) Logitech USB Trackball: (accel) acceleration profile 0
[    27.278] (**) Logitech USB Trackball: (accel) acceleration factor: 2.000
[    27.278] (**) Logitech USB Trackball: (accel) acceleration threshold: 4
[    27.278] (II) config/udev: Adding input device Logitech USB Trackball (/dev/input/mouse0)
[    27.278] (II) No input driver specified, ignoring this device.
[    27.278] (II) This device may have been added with another device file.
[    27.279] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event2)
[    27.279] (**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
[    27.279] (II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard'
[    27.279] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    27.279] (**) AT Translated Set 2 keyboard: always reports core events
[    27.279] (**) evdev: AT Translated Set 2 keyboard: Device: "/dev/input/event2"
[    27.279] (--) evdev: AT Translated Set 2 keyboard: Vendor 0x1 Product 0x1
[    27.279] (--) evdev: AT Translated Set 2 keyboard: Found keys
[    27.279] (II) evdev: AT Translated Set 2 keyboard: Configuring as keyboard
[    27.279] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input2/event2"
[    27.279] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 9)
[    27.279] (**) Option "xkb_rules" "evdev"
[    27.279] (**) Option "xkb_model" "pc105"
[    27.279] (**) Option "xkb_layout" "us"
[    28.580] (II) NVIDIA(0): Setting mode "1680x1050_60_0"
[    36.444] (II) NVIDIA(1): Setting mode "CRT-1:nvidia-auto-select+0+0"
[    36.524] (II) NVIDIA(0): Setting mode "1024x768"
[    36.954] (II) XKB: reuse xkmfile /var/lib/xkb/server-03AF3717FF3AB439A4BAABA686CCB40771CDF520.xkm

Any ideas? lol

**DJYoshaBYD** · October 15th, 2012

Bump, please.

**Favux** · October 15th, 2012

Well looking at your post #19: http://ubuntuforums.org/showpost.php...9&postcount=19 the one with the two blank screens I noticed something. By the way I like how you've now got the xorg.conf so organized. Anyway if you look at the link to the guy who claims to have 3 monitors working notice in one of his screen sections he has TwinView turned off:

Code:

	Option         "TwinView" "1"

Whereas you have them all with TwinView turned on:

Code:

	Option         "TwinView" "0"

The mental picture I have of what we're trying to emulate is two monitors in TwinView. Then we treat the two monitors in Twinview as "one" monitor and put that "monitor" in Xinerama with the third monitor.

**DJYoshaBYD** · October 15th, 2012

ok. Do you think you could make the changes to the xorg.conf file I posted so that I can try it later?

And yeah. lol. I hate the way it looks bone stock, so Im going to create a template. Im actually thinking about writing a GUI for doing advanced configuration with the xorg.conf file. That will be a work in progress, though. haha.

Thanks a lot for all of your help. I really want to get this running, as right now Im running gnome classic on 3 monitors, and its working great, this is the final piece of the puzzle for my workstation.

**DJYoshaBYD** · October 15th, 2012

Also, doesnt having Xinerama on AT ALL disable compositing? Thats the issue Im trying to get around. With xinerama on at all, it will NOT run compositing, which sucks. From what I understand, I should be able to use XRandR to arrange my screens, and still use compositing. I know my drivers are XRandR compatible, but I cannot figure how to even use XRandR.

Do you know how to use xrandr? I think that may be the only way to do this.

**Favux** · October 15th, 2012

Also, doesnt having Xinerama on AT ALL disable compositing? Thats the issue Im trying to get around.

That's my understanding. Do you think the guy's claims are bogus? Or that maybe I'm misunderstanding him?

My recollection is vague but it seems to me I read somewhere that Xinerama development was discontinued by Xorg 2-3 years ago. But at that time they were working on implementing compositing, maybe. Would need to find where the Xinerama code is and see if there are any commits related to that.

The problem you are having with quickly running through his suggestions is your Device0 is his Device2. So his Screens and ServerLayout are in a different order than yours.

As far as XrandR goes I've done it with compositing on dual monitors: http://forums.linuxmint.com/viewtopi...70ff39e524388b As you can see I did the Monitor mapping or layout for the Screen section's Virtual screen in the second Monitor section rather than ServerLayout. Haven't ever played with 3 monitors.

**DJYoshaBYD** · October 15th, 2012

Yeah. I know that xinerama disables xrandr right off the bat, and xinerama wont use compositing, but xrandr will. xrandr does everything that Im looking for with all of the modules I need, but the discussions about it are usually vague, years old, probably outdated, and the manual reads like sign language to a blind person. haha. Im checking out that link.

Thanks so much for your help. I have been trying to get this working for 2 weeks straight. lol

**DJYoshaBYD** · October 18th, 2012

Ok. So, Here is what I have so far:

Code:

Section "Device"
        Identifier      "Device0"
        BusID           "PCI:3:0:0"
        Option          "Monitor-DFP-1" "Left"
        Option          "Monitor-CRT-1" "Center"
        Option          "DPMS
        Option          "MultiGPU" "auto"
EndSection

Section "Device"
	Identifier      "Device1"
        BusID           "PCI:6:0:0"
        Option          "Monitor-CRT-1" "Right"
        Option          "DPMS"
        Option          "MultiGPU" "auto "
EndSection

Section "Monitor"
        Identifier      "Left"
    Option         "PreferredMode" "1680x1050"
EndSection

Section "Monitor"
        Identifier      "Center"
    Option         "PreferredMode" "1024x768"
EndSection

Section "Monitor"
        Identifier      "Right"
    Option         "PreferredMode" "1440x900"
EndSection

Section "Screen"
        Identifier      "Screen0"
        Device          "Device0"
        DefaultDepth    24
        SubSection "Display"
            Depth           24
            Virtual         4144 1050
        EndSubSection
EndSection

Section "Screen"
        Identifier      "Screen1"
        Device          "Device0"
        DefaultDepth    24
        SubSection "Display"
            Depth           24
        EndSubSection
EndSection

Section "Screen"
        Identifier      "Screen2"
        Device          "Device1"
        DefaultDepth    24
        SubSection "Display"
            Depth           24
        EndSubSection
EndSection

Section "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Screen0"
        Screen          "Screen1"
	Screen          "Screen2"
EndSection

I can rotate the left and middle monitor using xrandr, and I get full compositing. I updated to the newest experimental drivers (to try and get xrandr 1.4 support, as it can handle multiple cards, I think), and it started to kind-of work. when I type xrandr, I get this:

Code:

joo@TIFA:~$ xrandr -q
Screen 0: minimum 8 x 8, current 2704 x 1050, maximum 8192 x 8192
DVI-I-0 disconnected (normal left inverted right x axis y axis)
VGA-0 connected 1024x768+1680+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768       60.0*+
   1360x768       60.0     59.8  
   1152x864       60.0  
   800x600        72.2     60.3     56.2  
   680x384       119.9    119.6  
   640x480        59.9  
   512x384       120.0  
   400x300       144.4  
   320x240       120.1  
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 408mm x 255mm
   1680x1050      60.0*+
   1440x900       75.0     59.9  
   1280x1024      75.0     60.0  
   1280x960       60.0  
   1280x720       60.0  
   1152x864       75.0  
   1024x768       75.0     70.1     60.0  
   800x600        75.0     72.2     60.3     56.2  
   640x480        75.0     72.8     59.9  
joo@TIFA:~$

I cannot get xrandr to see that my 8600GT has a monitor hooked up via CRT. Is there a way to make it aware of the other cards plugs?

**Favux** · October 18th, 2012

EDID problem with one of the monitors? You could try swapping them and the connectors around.

Let's see if read-edid tells you anything.

Code:

sudo apt-get install read-edid

Then read edid with both cards and all 3 monitors attached.

Code:

sudo get-edid | parse-edid

**DJYoshaBYD** · October 18th, 2012

I tried that, and it failed.

The EDID data should not be trusted as the VBE call failed
Error: output block unchanged
parse-edid: IO error reading EDID

Also, I cannot log in as my username anymore. After I type in my password and hit enter at the ubuntu login, it starts to log in, then just goes right back to the login screen. Weaaak. I feel like Im right there now, and Im not quitting until I figure this out. lol

Thread: 3 Monitors, Ubuntu 12.04, Gnome 3, 2 nvidia cards, WITH xrandr or xinerama?

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