Disappearing mouse pointer

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Hi all

Apologies if this has been asked and answered before as I've googled but
not found an answer.

My problem is that I'm using a dual video card setup (two Nvidia Quadro
4500) and three CRT monitors.  I've setup stereo at 1280x1024@110Hz and
all looks fine until you move the mouse pointer onto the third monitor as
it disappears.  Moving the mouse back to either of the first two monitors
and the mouse point re-appears.  In the third window when I click and drag
the left mouse button I can see a rectanglar selection, so the mouse is
there I just can't see it.

This is a HP xw9300, 32GB RAM, two Quadro FX 4500 with a GSync card using
version 1.8672 of the Nvidia Linux driver and RHEL 3u7 Workstation.

XFree86 -version
XFree86 Version 4.3.0 (Red Hat Enterprise Linux 3 release: 4.3.0-98.EL)
Release Date: 15 August 2003
X Protocol Version 11, Revision 0, Release 6.6
Build Operating System: Linux 2.6.9-22.18.bz155725.ELsmp x86_64 [ELF]
Build Date: 28 November 2005
Build Host: hs20-bc1-3.build.redhat.com

My XF86Config file is:
---
Section "ServerLayout"
        Identifier     "3_screen_stereo"
        Screen         "Screen TwinView-1" 0 0
        Screen      1  "Screen Display-2" RightOf "Screen TwinView-1"
InputDevice    "Mouse1" "CorePointer"
        InputDevice    "Keyboard1" "CoreKeyboard"
        Option      "Stereo" "3"
        Option      "Xinerama" "1"
EndSection

Section "Files"
        RgbPath      "/usr/X11R6/lib/X11/rgb"
        FontPath     "/usr/X11R6/lib/X11/fonts/local/"
        FontPath     "/usr/X11R6/lib/X11/fonts/misc/"
        FontPath     "/usr/X11R6/lib/X11/fonts/misc/:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/Type1/"
        FontPath     "/usr/X11R6/lib/X11/fonts/75dpi/"
        FontPath     "/usr/X11R6/lib/X11/fonts/100dpi/"
        FontPath     "unix/:-1"
EndSection

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

Section "InputDevice"
        Identifier  "Keyboard1"
        Driver      "kbd"
        Option      "AutoRepeat" "250 30"
        Option      "XkbRules" "xfree86"
        Option      "XkbModel" "pc105"
        Option      "XkbLayout" "us"
EndSection

Section "InputDevice"
        Identifier  "Mouse1"
        Driver      "mouse"
        Option      "Protocol" "IMPS/2"
        Option      "Device" "/dev/input/mice"
        Option      "Emulate3Buttons" "yes"
        Option      "ZAxisMapping" "4 5"
EndSection

Section "Monitor"
        Identifier   "Sun21"
        VendorName   "Sun"
        ModelName    "Sun 21-inch N3"
        HorizSync    30.0 - 96.0
        VertRefresh  48.0 - 160.0
        Option      "dpms"
    Modeline       "1280x1024" 211.22  1280 1376 1520 1760  1024 1025 1028
1091  -HSync +Vsync
EndSection

Section "Device"

    # Primary PCI-express slot
        Identifier  "NV_PCI_Express1"
        Driver      "nvidia"
        VendorName  "nvidia"
        BoardName   "Unknown video card"
        BusID       "PCI:10:0:0"
        Option "ModeValidation" "NoMaxPClkCheck, NoEdidMaxPClkCheck"
EndSection

Section "Device"

    # 2nd PCI-express slot
        Identifier  "NV_PCI_Express2"
        Driver      "nvidia"
        VendorName  "nvidia"
        BusID       "PCI:129:0:0"
        Option "ModeValidation" "NoMaxPClkCheck, NoEdidMaxPClkCheck"
EndSection

Section "Screen"
        Identifier "Screen TwinView-1"
        Device     "NV_PCI_Express1"
        Monitor    "Sun21"
        DefaultDepth     24
        Option      "Stereo" "3"
        Option      "ForceStereoFlipping" "1"
        Option      "TwinView"
        Option      "TwinViewOrientation" "RightOf"
        Option      "MetaModes" "1280x1024 +0+0, 1280x1024 +1160+0"
SubSection "Display"
                Depth     24
                Modes    "1280x1024"
        EndSubSection
EndSection

Section "Screen"
        Identifier "Screen Display-2"
        Device     "NV_PCI_Express2"
        Monitor    "Sun21"
        DefaultDepth     24
        Option      "Stereo" "3"
        Option      "ForceStereoFlipping" "1"
        Option      "MetaModes" "1280x1024 +0+1160"
        SubSection "Display"
                Depth     24
                Modes    "1280x1024"
        EndSubSection
EndSection
---

Any ideas?

CC

-- 

You can judge the quality of an Operating System by the amount of 3rd
party software required to protect it...




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