[Chimera-users] Problem with multiple monitors and NVidia 3D Vision - any suggestions ?

[Greg Couch]

Looking at the NVIDIA driver's release notes it says for Xinerama: "... 
the X.Org X server bases the visuals of the logical Xinerama X screen on 
the visuals of physical X screen 0."  So if you physically switched your 
display connections, so the stereo capable monitor is first, it might 
work.  A low level way to see if stereo visuals are available is to use 
the glxinfo program and look for y's in the st/ro column -- that's the 
same information chimera uses to see if stereo is available.

     Good luck,

     Greg

On 07/05/2011 12:43 PM, Steven Ludtke wrote:
> Hi. I just set up a 3-D vision compatible stereo monitor as a second display on my desktop. I have a Quadro 4000
> video card and am running 64 bit linux (Ubuntu 11.04) with the latest 270.41.06 Nvidia driver. If I only have
> one monitor (the stereo capable one) attached to the machine, I can get stereo working (looks very nice), but
> if I have the second non-stereo capable monitor connected at the same time, it will not initialize the stereo display mode
> (on either display). I have it configured using Xinerama, so the 2 displays are on separate X-servers. Even
> when I disable Xinerama, and the second display is running on a completely independent Screen, it still won't
> go into stereo mode. Here are the relevant lines from the Xorg log file:
>
> [  9016.284] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
> [  9016.284] (==) NVIDIA(0): RGB weight 888
> [  9016.284] (==) NVIDIA(0): Default visual is TrueColor
> [  9016.284] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
> [  9016.285] (**) NVIDIA(0): Option "TwinView" "0"
> [  9016.285] (**) NVIDIA(0): Option "MetaModes" "nvidia-auto-select +0+0"
> [  9016.285] (**) NVIDIA(0): Option "TwinViewXineramaInfoOrder" "DFP-2"
> [  9018.424] (II) NVIDIA(GPU-0): Display (DELL3007WFPHC (DFP-0)) does not support NVIDIA 3D
> [  9018.424] (II) NVIDIA(GPU-0):     Vision stereo.
> [  9018.466] (**) NVIDIA(1): Depth 24, (--) framebuffer bpp 32
> [  9018.466] (==) NVIDIA(1): RGB weight 888
> [  9018.466] (==) NVIDIA(1): Default visual is TrueColor
> [  9018.466] (==) NVIDIA(1): Using gamma correction (1.0, 1.0, 1.0)
> [  9018.467] (**) NVIDIA(1): Option "Stereo" "10"
> [  9018.467] (**) NVIDIA(1): Option "TwinView" "0"
> [  9018.467] (**) NVIDIA(1): Option "MetaModes" "1920x1080_120 +0+0"
> [  9018.467] (**) NVIDIA(1): USB IR emitter stereo requested
> [  9019.116] (II) NVIDIA(GPU-1): Display (Acer HN274H (DFP-0)) supports NVIDIA 3D Vision
> [  9019.116] (II) NVIDIA(GPU-1):     stereo.
> [  9019.117] (II) NVIDIA(1): NVIDIA GPU Quadro 4000 (GF100GL) at PCI:2:0:0 (GPU-1)
> [  9019.117] (--) NVIDIA(1): Memory: 2097152 kBytes
> [  9019.117] (--) NVIDIA(1): VideoBIOS: 70.00.37.00.03
> [  9021.570] (II) NVIDIA(1): USB emitter - Copyright (c) 2009 NVIDIA Corporation NVIDIA
> [  9021.570] (II) NVIDIA(1):     stereo controller
> [  9021.598] (II) NVIDIA(1): Setting mode "1920x1080_120+0+0"
>
> So, the logfile seems to indicate that it's initialized correctly, but when chimera tries to open a Stereo window,
> it raises an error  :^(
>
> Here are the relevant xorg.conf sections:
> Section "ServerLayout"
>      Identifier     "Layout0"
>      Screen      0  "Screen0" 0 0
>      Screen      1  "Screen1" 2560 0
>      InputDevice    "Keyboard0" "CoreKeyboard"
>      InputDevice    "Mouse0" "CorePointer"
>      Option         "Xinerama" "1"
>      Option         "XineramaStereoFlipping" "0"
> EndSection
>
> Section "Device"
>      Identifier     "Device0"
>      Driver         "nvidia"
>      VendorName     "NVIDIA Corporation"
>      BoardName      "Tesla C2070"
>      BusID          "PCI:131:0:0"
> EndSection
>
> Section "Device"
>      Identifier     "Device1"
>      Driver         "nvidia"
>      VendorName     "NVIDIA Corporation"
>      BoardName      "Quadro 4000"
>      BusID          "PCI:2:0:0"
> EndSection
>
> Section "Screen"
>      Identifier     "Screen0"
>      Device         "Device0"
>      Monitor        "Monitor0"
>      DefaultDepth    24
>      Option         "TwinViewXineramaInfoOrder" "DFP-2"
>      Option         "TwinView" "0"
>      Option         "metamodes" "nvidia-auto-select +0+0"
>      SubSection     "Display"
>          Depth       24
>      EndSubSection
> EndSection
>
> Section "Screen"
> # Removed Option "metamodes" "nvidia-auto-select +0+0"
>      Identifier     "Screen1"
>      Device         "Device1"
>      Monitor        "Monitor1"
>      DefaultDepth    24
>      Option         "TwinView" "0"
>      Option         "metamodes" "1920x1080_120 +0+0"
>      Option         "Stereo" "10"
>      SubSection     "Display"
>          Depth       24
>      EndSubSection
> EndSection
>
> Section "Extensions"
>      Option         "Composite" "Disable"
> EndSection
>
>
> Anyone else have a Stereo configuration with dual monitors working ?
>
> cheers
>
> ----------------------------------------------------------------------------
> Steven Ludtke, Ph.D.
> Associate Professor
> Co-Director National Center For Macromolecular Imaging
> Dept of Biochemistry and Mol. Biol.
> Baylor College of Medicine
> sludtke at bcm.edu
> stevel at alumni.caltech.edu
>
>
>
>
>
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