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    #16
    Re: Can't get multimonitor to work, need assistance

    Is there some kind of GUI frontend for xorg.conf that gives full access to all its power (or at least more bits than you get through the ordinary tools provided)?
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      #17
      Re: Can't get multimonitor to work, need assistance

      Not that I've seen but it would be nice. I think the xorg developers are focusing on trying to get it to work without the config file and the hardware companies aren't going to spend resources on a project that might benefit the competition...

      I'll add it to my wish list!

      Please Read Me
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        #18
        Re: Can't get multimonitor to work, need assistance

        Well, I'm fine with a non-xorg.conf solution as well, but if I understand it right, what I'm trying to do requires, at the moment, xorg.conf. Correct?
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          #19
          Re: Can't get multimonitor to work, need assistance

          Definitely, especially since you're mixing ATI with nVidia.

          So go back to re-creating your xorg.conf and lets start looking at the log. I think you should get 1 screen working right, then add in each other one, one at a time.

          I'm an nVidia guy so I'd start there.

          This ought to be fun - I might run out and buy a few new monitors just to play along!

          Please Read Me
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            #20
            Re: Can't get multimonitor to work, need assistance

            Yep, I intend to do that, although it will take a couple of days, as I need to move some stuff off that computer before I risk messing it up...
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              #21
              Re: Can't get multimonitor to work, need assistance

              Tried this xorg.conf:

              Code:
              Section "Module"
	Load	"glx"
EndSection

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@palmer) Fri Apr 9 10:35:18 UTC 2010

Section "ServerLayout"
  Identifier   "Layout0"
  Screen     "Screen0" 0 0
  Screen     "Screen1" 1600 0
  InputDevice  "Keyboard0" "CoreKeyboard"
  InputDevice  "Mouse0" "CorePointer"
  Option     "Xinerama" "true"
EndSection

Section "Files"
EndSection

########################
# Input devices
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

########################
# Monitors
Section "Monitor"
  # HorizSync source: edid, VertRefresh source: edid
  Identifier   "Monitor0"
  VendorName   "Unknown"
  ModelName   "ViewSonic G90f-4"
  HorizSync    30.0 - 97.0
  VertRefresh   50.0 - 160.0
  Option     "DPMS"
EndSection
Section "Monitor"
  # HorizSync source: edid, VertRefresh source: edid
  Identifier   "Monitor1"
  VendorName   "Unknown"
  ModelName   "ViewSonic G90f-4"
  HorizSync    30.0 - 97.0
  VertRefresh   50.0 - 160.0
  Option     "DPMS"
EndSection

########################
# Devices
Section "Device"
  Identifier   "Device0"
  Driver     "nvidia"
  VendorName   "NVIDIA Corporation"
  BoardName   "Quadro FX 2000"
  BusID     "PCI:1:0:0"
EndSection

########################
# Screens
Section "Screen"
  Identifier   "Screen0"
  Device     "Device0"
  Monitor    "Monitor0"
  DefaultDepth  24
  SubSection   "Display"
    Depth    24
    Modes   "1600x1200"
  EndSubSection
EndSection
Section "Screen"
  Identifier   "Screen1"
  Device     "Device0"
  Monitor    "Monitor1"
  DefaultDepth  24
  SubSection   "Display"
    Depth    24
    Modes   "1600x1200"
  EndSubSection
EndSection
              Got only one screen working (Screen0), with the following Xorg.0.log:

              Code:
              X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-28-server i686 Ubuntu
Current Operating System: Linux hardcore 2.6.32-25-generic-pae #45-Ubuntu SMP Sat Oct 16 21:01:33 UTC 2010 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-25-generic-pae root=UUID=feb070e9-3bd6-4c89-8e65-c8a4fc1ac2f8 ro quiet splash
Build Date: 10 November 2010 11:25:26AM
xorg-server 2:1.7.6-2ubuntu7.4 (For technical support please see [url]http://www.ubuntu.com/support[/url]) 
Current version of pixman: 0.16.4
	Before reporting problems, check [url]http://wiki.x.org[/url]
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sat Dec 4 15:55:15 2010
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/usr/lib/X11/xorg.conf.d"
(==) ServerLayout "Layout0"
(**) |-->Screen "Screen0" (0)
(**) |  |-->Monitor "Monitor0"
(**) |  |-->Device "Device0"
(**) |-->Screen "Screen1" (1)
(**) |  |-->Monitor "Monitor1"
(**) |  |-->Device "Device0"
(**) |-->Input Device "Keyboard0"
(**) |-->Input Device "Mouse0"
(**) Option "Xinerama" "true"
(==) Automatically adding devices
(==) Automatically enabling devices
(**) Xinerama: enabled
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
	Entry deleted from font path.
(==) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/100dpi/:unscaled,
	/usr/share/fonts/X11/75dpi/:unscaled,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi,
	/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
	built-ins
(==) ModulePath set to "/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
(WW) AllowEmptyInput is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
(WW) Disabling Keyboard0
(WW) Disabling Mouse0
(II) Loader magic: 0x81f1b20
(II) Module ABI versions:
	X.Org ANSI C Emulation: 0.4
	X.Org Video Driver: 6.0
	X.Org XInput driver : 7.0
	X.Org Server Extension : 2.0
(++) using VT number 8

(--) PCI:*(0:1:0:0) 10de:0308:10de:0183 nVidia Corporation NV30GL [Quadro FX 2000] rev 162, Mem @ 0xb1000000/16777216, 0xc8000000/134217728
(--) PCI: (0:4:1:0) 10de:0221:0000:0000 nVidia Corporation NV44A [GeForce 6200] rev 161, Mem @ 0xb4000000/16777216, 0xd0000000/268435456, 0xb3000000/16777216
(--) PCI: (0:5:1:0) 1002:5960:18bc:0571 ATI Technologies Inc RV280 [Radeon 9200 PRO] rev 1, Mem @ 0xe8000000/134217728, 0xb5040000/65536, I/O @ 0x00003400/256, BIOS @ 0x????????/131072
(--) PCI: (0:5:1:1) 1002:5940:18bc:0570 ATI Technologies Inc RV280 [Radeon 9200 PRO] (Secondary) rev 1, Mem @ 0xe0000000/134217728, 0xb5000000/65536
(II) Open ACPI successful (/var/run/acpid.socket)
(II) "extmod" will be loaded by default.
(II) "dbe" will be loaded by default.
(II) "glx" will be loaded. This was enabled by default and also specified in the config file.
(II) "record" will be loaded by default.
(II) "dri" will be loaded by default.
(II) "dri2" will be loaded by default.
(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/extra-modules/libglx.so
(II) Module glx: vendor="NVIDIA Corporation"
	compiled for 4.0.2, module version = 1.0.0
	Module class: X.Org Server Extension
(II) NVIDIA GLX Module 173.14.22 Sun Nov 8 21:42:44 PST 2009
(II) Loading extension GLX
(II) LoadModule: "extmod"
(II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
(II) Module extmod: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) LoadModule: "dbe"
(II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
(II) Module dbe: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DOUBLE-BUFFER
(II) LoadModule: "record"
(II) Loading /usr/lib/xorg/modules/extensions/librecord.so
(II) Module record: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.13.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension RECORD
(II) LoadModule: "dri"
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Module dri: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension XFree86-DRI
(II) LoadModule: "dri2"
(II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
(II) Module dri2: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.1.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DRI2
(II) LoadModule: "nvidia"
(II) Loading /usr/lib/xorg/extra-modules/nvidia_drv.so
(II) Module nvidia: vendor="NVIDIA Corporation"
	compiled for 4.0.2, module version = 1.0.0
	Module class: X.Org Video Driver
(II) NVIDIA dlloader X Driver 173.14.22 Sun Nov 8 20:43:40 PST 2009
(II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
(II) Primary Device is: PCI 01@00:00:0
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/lib/xorg/modules/libfb.so
(II) Module fb: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "wfb"
(II) LoadModule: "wfb"
(II) Loading /usr/lib/xorg/modules/libwfb.so
(II) Module wfb: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "ramdac"
(II) LoadModule: "ramdac"
(II) Module "ramdac" already built-in
(**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(0): RGB weight 888
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(**) NVIDIA(0): Enabling RENDER acceleration
(II) NVIDIA(0): Support for GLX with the Damage and Composite X extensions is
(II) NVIDIA(0):   enabled.
(WW) NVIDIA(GPU-0): Unable to read EDID for display device CRT-0
(II) NVIDIA(0): NVIDIA GPU Quadro FX 2000 (NV30GL) at PCI:1:0:0 (GPU-0)
(--) NVIDIA(0): Memory: 131072 kBytes
(--) NVIDIA(0): VideoBIOS: 04.30.20.29.07
(II) NVIDIA(0): Detected AGP rate: 8X
(--) NVIDIA(0): Interlaced video modes are supported on this GPU
(--) NVIDIA(0): Connected display device(s) on Quadro FX 2000 at PCI:1:0:0:
(--) NVIDIA(0):   CRT-0
(--) NVIDIA(0):   ViewSonic G90f-4 (CRT-1)
(--) NVIDIA(0): CRT-0: 400.0 MHz maximum pixel clock
(--) NVIDIA(0): ViewSonic G90f-4 (CRT-1): 400.0 MHz maximum pixel clock
(II) NVIDIA(0): Assigned Display Device: CRT-0
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0):   "1600x1200"
(II) NVIDIA(0): Virtual screen size determined to be 1600 x 1200
(WW) NVIDIA(0): Unable to get display device CRT-0's EDID; cannot compute DPI
(WW) NVIDIA(0):   from CRT-0's EDID.
(==) NVIDIA(0): DPI set to (75, 75); computed from built-in default
(WW) NVIDIA(0): UBB is incompatible with the Composite extension. Disabling
(WW) NVIDIA(0):   UBB.
(==) NVIDIA(0): Enabling 32-bit ARGB GLX visuals.
(--) Depth 24 pixmap format is 32 bpp
(II) NVIDIA(GPU-1): NVIDIA GPU GeForce 6200 (NV44) at PCI:4:1:0 (GPU-1)
(--) NVIDIA(GPU-1): Memory: 262144 kBytes
(--) NVIDIA(GPU-1): VideoBIOS: 05.44.a2.15.52
(--) NVIDIA(GPU-1): Interlaced video modes are supported on this GPU
(--) NVIDIA(GPU-1): Connected display device(s) on GeForce 6200 at PCI:4:1:0:
(--) NVIDIA(GPU-1):   ViewSonic G90f-4 (CRT-0)
(--) NVIDIA(GPU-1):   ViewSonic G90f-4 (CRT-1)
(--) NVIDIA(GPU-1): ViewSonic G90f-4 (CRT-0): 400.0 MHz maximum pixel clock
(--) NVIDIA(GPU-1): ViewSonic G90f-4 (CRT-1): 400.0 MHz maximum pixel clock
(II) NVIDIA(0): Initialized AGP GART.
(II) NVIDIA(0): Setting mode "1600x1200"
(II) Loading extension NV-GLX
(II) NVIDIA(0): NVIDIA 3D Acceleration Architecture Initialized
(II) NVIDIA(0): Using the NVIDIA 2D acceleration architecture
(==) NVIDIA(0): Backing store disabled
(==) NVIDIA(0): Silken mouse enabled
(**) NVIDIA(0): DPMS enabled
(II) Loading extension NV-CONTROL
(==) RandR enabled
(II) Found 2 VGA devices: arbiter wrapping enabled
(II) Initializing built-in extension Generic Event Extension
(II) Initializing built-in extension SHAPE
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension BIG-REQUESTS
(II) Initializing built-in extension SYNC
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension XC-MISC
(II) Initializing built-in extension SECURITY
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFIXES
(II) Initializing built-in extension RENDER
(II) Initializing built-in extension RANDR
(II) Initializing built-in extension COMPOSITE
(II) Initializing built-in extension DAMAGE
(II) Initializing extension GLX
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) config/udev: Adding input device Power Button (/dev/input/event1)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(II) LoadModule: "evdev"
(II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
(II) Module evdev: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 2.3.2
	Module class: X.Org XInput Driver
	ABI class: X.Org XInput driver, version 7.0
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event1"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "se"
(II) XKB: reuse xkmfile /var/lib/xkb/server-523B07B557B20588EB459118C97940B7C9FF61EB.xkm
(II) config/udev: Adding input device Power Button (/dev/input/event0)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event0"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "se"
(II) config/udev: Adding input device Microsoft Basic Optical Mouse (/dev/input/event4)
(**) Microsoft Basic Optical Mouse: Applying InputClass "evdev pointer catchall"
(**) Microsoft Basic Optical Mouse: always reports core events
(**) Microsoft Basic Optical Mouse: Device: "/dev/input/event4"
(II) Microsoft Basic Optical Mouse: Found 3 mouse buttons
(II) Microsoft Basic Optical Mouse: Found scroll wheel(s)
(II) Microsoft Basic Optical Mouse: Found relative axes
(II) Microsoft Basic Optical Mouse: Found x and y relative axes
(II) Microsoft Basic Optical Mouse: Configuring as mouse
(**) Microsoft Basic Optical Mouse: YAxisMapping: buttons 4 and 5
(**) Microsoft Basic Optical Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Microsoft Basic Optical Mouse" (type: MOUSE)
(II) Microsoft Basic Optical Mouse: initialized for relative axes.
(II) config/udev: Adding input device Microsoft Basic Optical Mouse (/dev/input/mouse1)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event3)
(**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
(**) AT Translated Set 2 keyboard: always reports core events
(**) AT Translated Set 2 keyboard: Device: "/dev/input/event3"
(II) AT Translated Set 2 keyboard: Found keys
(II) AT Translated Set 2 keyboard: Configuring as keyboard
(II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "se"
(II) config/udev: Adding input device PS/2 Generic Mouse (/dev/input/event5)
(**) PS/2 Generic Mouse: Applying InputClass "evdev pointer catchall"
(**) PS/2 Generic Mouse: always reports core events
(**) PS/2 Generic Mouse: Device: "/dev/input/event5"
(II) PS/2 Generic Mouse: Found 3 mouse buttons
(II) PS/2 Generic Mouse: Found relative axes
(II) PS/2 Generic Mouse: Found x and y relative axes
(II) PS/2 Generic Mouse: Configuring as mouse
(**) PS/2 Generic Mouse: YAxisMapping: buttons 4 and 5
(**) PS/2 Generic Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "PS/2 Generic Mouse" (type: MOUSE)
(II) PS/2 Generic Mouse: initialized for relative axes.
(II) config/udev: Adding input device PS/2 Generic Mouse (/dev/input/mouse2)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/event2)
(**) Macintosh mouse button emulation: Applying InputClass "evdev pointer catchall"
(**) Macintosh mouse button emulation: always reports core events
(**) Macintosh mouse button emulation: Device: "/dev/input/event2"
(II) Macintosh mouse button emulation: Found 3 mouse buttons
(II) Macintosh mouse button emulation: Found relative axes
(II) Macintosh mouse button emulation: Found x and y relative axes
(II) Macintosh mouse button emulation: Configuring as mouse
(**) Macintosh mouse button emulation: YAxisMapping: buttons 4 and 5
(**) Macintosh mouse button emulation: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Macintosh mouse button emulation" (type: MOUSE)
(II) Macintosh mouse button emulation: initialized for relative axes.
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)
              As far as I can see, no real help in the log. Suggestions?

              Now, I'm going to try adding a screen from another card, just in case I need to handle screens on the same card differently.
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              Comment

                #22
                Re: Can't get multimonitor to work, need assistance

                OK, adding screens 2 & 3 did not work. At first, I just got a dead black screen, and it complained about this line in the log:

                Code:
                Screen     "Screen2" 0 -1200
                Figuring it didn't like negative coordinates, I tried changing it (and the following line from:

                Code:
                Screen     "Screen2" 0 -1200
Screen     "Screen3" 1600 -1200
                to:

                Code:
                Screen     "Screen2" 0 1200
Screen     "Screen3" 1600 1200
                Full xorg.conf:

                Code:
                Section "Module"
	Load	"glx"
EndSection

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@palmer) Fri Apr 9 10:35:18 UTC 2010

Section "ServerLayout"
  Identifier   "Layout0"
  Screen     "Screen0" 0 0
  Screen     "Screen1" 1600 0
#  Screen     "Screen2" 0 1200
#  Screen     "Screen3" 1600 1200
  InputDevice  "Keyboard0" "CoreKeyboard"
  InputDevice  "Mouse0" "CorePointer"
  Option     "Xinerama" "true"
EndSection

Section "Files"
EndSection

########################
# Input devices
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

########################
# Monitors
Section "Monitor"
  # HorizSync source: edid, VertRefresh source: edid
  Identifier   "Monitor0"
  VendorName   "Unknown"
  ModelName   "ViewSonic G90f-4"
  HorizSync    30.0 - 97.0
  VertRefresh   50.0 - 160.0
  Option     "DPMS"
EndSection
Section "Monitor"
  # HorizSync source: edid, VertRefresh source: edid
  Identifier   "Monitor1"
  VendorName   "Unknown"
  ModelName   "ViewSonic G90f-4"
  HorizSync    30.0 - 97.0
  VertRefresh   50.0 - 160.0
  Option     "DPMS"
EndSection
Section "Monitor"
  # HorizSync source: edid, VertRefresh source: edid
  Identifier   "Monitor2"
  VendorName   "Unknown"
  ModelName   "ViewSonic G90f-4"
  HorizSync    30.0 - 97.0
  VertRefresh   50.0 - 160.0
  Option     "DPMS"
EndSection
Section "Monitor"
  # HorizSync source: edid, VertRefresh source: edid
  Identifier   "Monitor3"
  VendorName   "Unknown"
  ModelName   "ViewSonic G90f-4"
  HorizSync    30.0 - 97.0
  VertRefresh   50.0 - 160.0
  Option     "DPMS"
EndSection

########################
# Devices
Section "Device"
  Identifier   "Device0"
  Driver     "nvidia"
  VendorName   "NVIDIA Corporation"
  BoardName   "Quadro FX 2000"
  BusID     "PCI:1:0:0"
EndSection
Section "Device"
  Identifier   "Device1"
  Driver     "nvidia"
  VendorName   "NVIDIA Corporation"
  BoardName   "GeForce 6200"
  BusID     "PCI:4:1:0"
EndSection

########################
# Screens
Section "Screen"
  Identifier   "Screen0"
  Device     "Device0"
  Monitor    "Monitor0"
  DefaultDepth  24
  SubSection   "Display"
    Depth    24
    Modes   "1600x1200"
  EndSubSection
EndSection
Section "Screen"
  Identifier   "Screen1"
  Device     "Device0"
  Monitor    "Monitor1"
  DefaultDepth  24
  SubSection   "Display"
    Depth    24
    Modes   "1600x1200"
  EndSubSection
EndSection
Section "Screen"
  Identifier   "Screen2"
  Device     "Device1"
  Monitor    "Monitor2"
  DefaultDepth  24
  SubSection   "Display"
    Depth    24
    Modes   "1600x1200"
  EndSubSection
EndSection
Section "Screen"
  Identifier   "Screen3"
  Device     "Device1"
  Monitor    "Monitor3"
  DefaultDepth  24
  SubSection   "Display"
    Depth    24
    Modes   "1600x1200"
  EndSubSection
EndSection
                That didn't cause a hang, but I still only got to a command line, no GUI.

                Log:

                Code:
                X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-28-server i686 Ubuntu
Current Operating System: Linux hardcore 2.6.32-25-generic-pae #45-Ubuntu SMP Sat Oct 16 21:01:33 UTC 2010 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-25-generic-pae root=UUID=feb070e9-3bd6-4c89-8e65-c8a4fc1ac2f8 ro quiet splash
Build Date: 10 November 2010 11:25:26AM
xorg-server 2:1.7.6-2ubuntu7.4 (For technical support please see [url]http://www.ubuntu.com/support[/url]) 
Current version of pixman: 0.16.4
	Before reporting problems, check [url]http://wiki.x.org[/url]
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sat Dec 4 16:31:21 2010
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/usr/lib/X11/xorg.conf.d"
(==) ServerLayout "Layout0"
(**) |-->Screen "Screen0" (0)
(**) |  |-->Monitor "Monitor0"
(**) |  |-->Device "Device0"
(**) |-->Screen "Screen1" (1)
(**) |  |-->Monitor "Monitor1"
(**) |  |-->Device "Device0"
(**) |-->Screen "Screen2" (2)
(**) |  |-->Monitor "Monitor2"
(**) |  |-->Device "Device1"
(**) |-->Screen "Screen3" (3)
(**) |  |-->Monitor "Monitor3"
(**) |  |-->Device "Device1"
(**) |-->Input Device "Keyboard0"
(**) |-->Input Device "Mouse0"
(**) Option "Xinerama" "true"
(==) Automatically adding devices
(==) Automatically enabling devices
(**) Xinerama: enabled
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
	Entry deleted from font path.
(==) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/100dpi/:unscaled,
	/usr/share/fonts/X11/75dpi/:unscaled,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi,
	/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
	built-ins
(==) ModulePath set to "/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
(WW) AllowEmptyInput is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
(WW) Disabling Keyboard0
(WW) Disabling Mouse0
(II) Loader magic: 0x81f1b20
(II) Module ABI versions:
	X.Org ANSI C Emulation: 0.4
	X.Org Video Driver: 6.0
	X.Org XInput driver : 7.0
	X.Org Server Extension : 2.0
(++) using VT number 7

(--) PCI:*(0:1:0:0) 10de:0308:10de:0183 nVidia Corporation NV30GL [Quadro FX 2000] rev 162, Mem @ 0xb1000000/16777216, 0xc8000000/134217728
(--) PCI: (0:4:1:0) 10de:0221:0000:0000 nVidia Corporation NV44A [GeForce 6200] rev 161, Mem @ 0xb4000000/16777216, 0xd0000000/268435456, 0xb3000000/16777216
(--) PCI: (0:5:1:0) 1002:5960:18bc:0571 ATI Technologies Inc RV280 [Radeon 9200 PRO] rev 1, Mem @ 0xe8000000/134217728, 0xb5040000/65536, I/O @ 0x00003400/256, BIOS @ 0x????????/131072
(--) PCI: (0:5:1:1) 1002:5940:18bc:0570 ATI Technologies Inc RV280 [Radeon 9200 PRO] (Secondary) rev 1, Mem @ 0xe0000000/134217728, 0xb5000000/65536
(II) Open ACPI successful (/var/run/acpid.socket)
(II) "extmod" will be loaded by default.
(II) "dbe" will be loaded by default.
(II) "glx" will be loaded. This was enabled by default and also specified in the config file.
(II) "record" will be loaded by default.
(II) "dri" will be loaded by default.
(II) "dri2" will be loaded by default.
(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/extra-modules/libglx.so
(II) Module glx: vendor="NVIDIA Corporation"
	compiled for 4.0.2, module version = 1.0.0
	Module class: X.Org Server Extension
(II) NVIDIA GLX Module 173.14.22 Sun Nov 8 21:42:44 PST 2009
(II) Loading extension GLX
(II) LoadModule: "extmod"
(II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
(II) Module extmod: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) LoadModule: "dbe"
(II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
(II) Module dbe: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DOUBLE-BUFFER
(II) LoadModule: "record"
(II) Loading /usr/lib/xorg/modules/extensions/librecord.so
(II) Module record: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.13.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension RECORD
(II) LoadModule: "dri"
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Module dri: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension XFree86-DRI
(II) LoadModule: "dri2"
(II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
(II) Module dri2: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.1.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DRI2
(II) LoadModule: "nvidia"
(II) Loading /usr/lib/xorg/extra-modules/nvidia_drv.so
(II) Module nvidia: vendor="NVIDIA Corporation"
	compiled for 4.0.2, module version = 1.0.0
	Module class: X.Org Video Driver
(II) NVIDIA dlloader X Driver 173.14.22 Sun Nov 8 20:43:40 PST 2009
(II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
(II) Primary Device is: PCI 01@00:00:0
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/lib/xorg/modules/libfb.so
(II) Module fb: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "wfb"
(II) LoadModule: "wfb"
(II) Loading /usr/lib/xorg/modules/libwfb.so
(II) Module wfb: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 1.0.0
	ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "ramdac"
(II) LoadModule: "ramdac"
(II) Module "ramdac" already built-in
(**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(0): RGB weight 888
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(**) NVIDIA(0): Enabling RENDER acceleration
(II) NVIDIA(0): Support for GLX with the Damage and Composite X extensions is
(II) NVIDIA(0):   enabled.
(WW) NVIDIA(GPU-0): Unable to read EDID for display device CRT-0
(II) NVIDIA(0): NVIDIA GPU Quadro FX 2000 (NV30GL) at PCI:1:0:0 (GPU-0)
(--) NVIDIA(0): Memory: 131072 kBytes
(--) NVIDIA(0): VideoBIOS: 04.30.20.29.07
(II) NVIDIA(0): Detected AGP rate: 8X
(--) NVIDIA(0): Interlaced video modes are supported on this GPU
(--) NVIDIA(0): Connected display device(s) on Quadro FX 2000 at PCI:1:0:0:
(--) NVIDIA(0):   CRT-0
(--) NVIDIA(0):   ViewSonic G90f-4 (CRT-1)
(--) NVIDIA(0): CRT-0: 400.0 MHz maximum pixel clock
(--) NVIDIA(0): ViewSonic G90f-4 (CRT-1): 400.0 MHz maximum pixel clock
(II) NVIDIA(0): Assigned Display Device: CRT-0
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0):   "1600x1200"
(II) NVIDIA(0): Virtual screen size determined to be 1600 x 1200
(WW) NVIDIA(0): Unable to get display device CRT-0's EDID; cannot compute DPI
(WW) NVIDIA(0):   from CRT-0's EDID.
(==) NVIDIA(0): DPI set to (75, 75); computed from built-in default
(WW) NVIDIA(0): UBB is incompatible with the Composite extension. Disabling
(WW) NVIDIA(0):   UBB.
(==) NVIDIA(0): Enabling 32-bit ARGB GLX visuals.
(**) NVIDIA(1): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(1): RGB weight 888
(==) NVIDIA(1): Default visual is TrueColor
(==) NVIDIA(1): Using gamma correction (1.0, 1.0, 1.0)
(**) NVIDIA(1): Enabling RENDER acceleration
(II) NVIDIA(1): NVIDIA GPU GeForce 6200 (NV44) at PCI:4:1:0 (GPU-1)
(--) NVIDIA(1): Memory: 262144 kBytes
(--) NVIDIA(1): VideoBIOS: 05.44.a2.15.52
(--) NVIDIA(1): Interlaced video modes are supported on this GPU
(--) NVIDIA(1): Connected display device(s) on GeForce 6200 at PCI:4:1:0:
(--) NVIDIA(1):   ViewSonic G90f-4 (CRT-0)
(--) NVIDIA(1):   ViewSonic G90f-4 (CRT-1)
(--) NVIDIA(1): ViewSonic G90f-4 (CRT-0): 400.0 MHz maximum pixel clock
(--) NVIDIA(1): ViewSonic G90f-4 (CRT-1): 400.0 MHz maximum pixel clock
(II) NVIDIA(1): Assigned Display Device: CRT-0
(II) NVIDIA(1): Validated modes:
(II) NVIDIA(1):   "1600x1200"
(II) NVIDIA(1): Virtual screen size determined to be 1600 x 1200
(--) NVIDIA(1): DPI set to (112, 112); computed from "UseEdidDpi" X config
(--) NVIDIA(1):   option
(==) NVIDIA(1): Enabling 32-bit ARGB GLX visuals.
(--) Depth 24 pixmap format is 32 bpp
(II) NVIDIA(0): Initialized AGP GART.
(II) NVIDIA(0): Setting mode "1600x1200"
(II) Loading extension NV-GLX
(II) NVIDIA(0): NVIDIA 3D Acceleration Architecture Initialized
(II) NVIDIA(0): Using the NVIDIA 2D acceleration architecture
(==) NVIDIA(0): Backing store disabled
(==) NVIDIA(0): Silken mouse enabled
(**) NVIDIA(0): DPMS enabled
(II) Loading extension NV-CONTROL
(==) RandR enabled
(II) NVIDIA(1): Initialized GPU GART.
(II) NVIDIA(1): Setting mode "1600x1200"
(II) NVIDIA(1): NVIDIA 3D Acceleration Architecture Initialized
(II) NVIDIA(1): Using the NVIDIA 2D acceleration architecture
(==) NVIDIA(1): Backing store disabled
(==) NVIDIA(1): Silken mouse enabled
(**) NVIDIA(1): DPMS enabled
(==) RandR enabled
(II) Found 2 VGA devices: arbiter wrapping enabled
(II) Initializing built-in extension Generic Event Extension
(II) Initializing built-in extension SHAPE
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension BIG-REQUESTS
(II) Initializing built-in extension SYNC
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension XC-MISC
(II) Initializing built-in extension SECURITY
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFIXES
(II) Initializing built-in extension RENDER
(II) Initializing built-in extension RANDR
(II) Initializing built-in extension COMPOSITE
(II) Initializing built-in extension DAMAGE
(II) Initializing extension GLX
(WW) NVIDIA(1): The GPU driving screen 1 is incompatible with the rest of the
(WW) NVIDIA(1):   GPUs composing the desktop. OpenGL rendering will be
(WW) NVIDIA(1):   disabled on screen 1.
(II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) config/udev: Adding input device Power Button (/dev/input/event1)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(II) LoadModule: "evdev"
(II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
(II) Module evdev: vendor="X.Org Foundation"
	compiled for 1.7.6, module version = 2.3.2
	Module class: X.Org XInput Driver
	ABI class: X.Org XInput driver, version 7.0
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event1"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "se"
(II) XKB: reuse xkmfile /var/lib/xkb/server-523B07B557B20588EB459118C97940B7C9FF61EB.xkm
(II) config/udev: Adding input device Power Button (/dev/input/event0)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event0"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "se"
(II) config/udev: Adding input device Microsoft Basic Optical Mouse (/dev/input/event4)
(**) Microsoft Basic Optical Mouse: Applying InputClass "evdev pointer catchall"
(**) Microsoft Basic Optical Mouse: always reports core events
(**) Microsoft Basic Optical Mouse: Device: "/dev/input/event4"
(II) Microsoft Basic Optical Mouse: Found 3 mouse buttons
(II) Microsoft Basic Optical Mouse: Found scroll wheel(s)
(II) Microsoft Basic Optical Mouse: Found relative axes
(II) Microsoft Basic Optical Mouse: Found x and y relative axes
(II) Microsoft Basic Optical Mouse: Configuring as mouse
(**) Microsoft Basic Optical Mouse: YAxisMapping: buttons 4 and 5
(**) Microsoft Basic Optical Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Microsoft Basic Optical Mouse" (type: MOUSE)
(II) Microsoft Basic Optical Mouse: initialized for relative axes.
(II) config/udev: Adding input device Microsoft Basic Optical Mouse (/dev/input/mouse1)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event3)
(**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
(**) AT Translated Set 2 keyboard: always reports core events
(**) AT Translated Set 2 keyboard: Device: "/dev/input/event3"
(II) AT Translated Set 2 keyboard: Found keys
(II) AT Translated Set 2 keyboard: Configuring as keyboard
(II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "se"
(II) config/udev: Adding input device PS/2 Generic Mouse (/dev/input/event5)
(**) PS/2 Generic Mouse: Applying InputClass "evdev pointer catchall"
(**) PS/2 Generic Mouse: always reports core events
(**) PS/2 Generic Mouse: Device: "/dev/input/event5"
(II) PS/2 Generic Mouse: Found 3 mouse buttons
(II) PS/2 Generic Mouse: Found relative axes
(II) PS/2 Generic Mouse: Found x and y relative axes
(II) PS/2 Generic Mouse: Configuring as mouse
(**) PS/2 Generic Mouse: YAxisMapping: buttons 4 and 5
(**) PS/2 Generic Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "PS/2 Generic Mouse" (type: MOUSE)
(II) PS/2 Generic Mouse: initialized for relative axes.
(II) config/udev: Adding input device PS/2 Generic Mouse (/dev/input/mouse2)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/event2)
(**) Macintosh mouse button emulation: Applying InputClass "evdev pointer catchall"
(**) Macintosh mouse button emulation: always reports core events
(**) Macintosh mouse button emulation: Device: "/dev/input/event2"
(II) Macintosh mouse button emulation: Found 3 mouse buttons
(II) Macintosh mouse button emulation: Found relative axes
(II) Macintosh mouse button emulation: Found x and y relative axes
(II) Macintosh mouse button emulation: Configuring as mouse
(**) Macintosh mouse button emulation: YAxisMapping: buttons 4 and 5
(**) Macintosh mouse button emulation: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Macintosh mouse button emulation" (type: MOUSE)
(II) Macintosh mouse button emulation: initialized for relative axes.
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)
(II) Power Button: Close
(II) UnloadModule: "evdev"
(II) Power Button: Close
(II) UnloadModule: "evdev"
(II) Microsoft Basic Optical Mouse: Close
(II) UnloadModule: "evdev"
(II) AT Translated Set 2 keyboard: Close
(II) UnloadModule: "evdev"
(II) PS/2 Generic Mouse: Close
(II) UnloadModule: "evdev"
(II) Macintosh mouse button emulation: Close
(II) UnloadModule: "evdev"
 ddxSigGiveUp: Closing log
                So, now I'm out of ideas for the moment and pretty stuck. Advice?
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                Comment

                  #23
                  Re: Can't get multimonitor to work, need assistance

                  Not sure if this still applies, but used to be that xinerama wouldn't support 3d rendering (opengl) on more than one screen. You might try remarks out that section for now. Also possibly outdated - xinerama used to require a device section for each monitor, regardless if it was the same video card or not. You just use a unique Device Identifier name.

                  Used to be you needed a "Server Flags" section and that's where Option "Xinerama" "True" went.

                  When you say "one screen working", does that mean a GUI or just console?

                  When you're in console mode, typing "startx" should attempt to start X and should output some error messages if it fails ( like No Screens Found) sometimes useful.

                  I would like to see the output of xrandr -q also.

                  Please Read Me
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                  Comment

                    #24
                    Re: Can't get multimonitor to work, need assistance

                    I'm in a hurry now, so I'll just reply to the things I can answer/test quickly, the rest will follow later.

                    One screen working is with a full GUI, not just a text console.

                    xrandr -q (although temporarily reset to twinview for practical reasons):

                    Code:
                    Screen 0: minimum 3200 x 1200, current 3200 x 1200, maximum 3200 x 1200
default connected 3200x1200+0+0 0mm x 0mm
  3200x1200   50.0*
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                    Comment

                      #25
                      Re: Can't get multimonitor to work, need assistance

                      Just wanted to sum up events so far:

                      After trying some more, I had to give up and went back to XP. I will try again in a couple of versions, but at the moment, I had to get my machine running properly, even though it saddens me to have to sink so low as to get XP.

                      Even more annoying, MS or nVidia has changed something, so now, I can only get one of the nVidia cards to work at the time. As soon as I install the drivers for the other card, it kills the drivers for the first (and vice versa). However, now I have 4 monitors working and can use the machine again.

                      I'll have to agree with Mark Twain: "Continuous improvement is better than delayed perfection". I needed to get something to work now, I can make it work as I really want it to work later.
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