6 head xinerama

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6 head xinerama



Thats what I now have. A 6 monitor machine, with 3 Matrox G450 cards,
1 which is AGP.

It was so nice to see digital photographs fill a wall like that :-)
Pixmap operations work on all of them.

The monitors are all 19". Most of them are monosync, so I had a hell
of a time adjusting modelines. I get the impression it is quite
unusual with such a large xinerama. Text also seem to work mostly, but
not the background of text.

Anyway, I have some problems, which seem to be due to the driver,
which is the "mga" driver from XFree86. I use KDE, under SuSE 7.3, but
installed XFree 4.2.0 from scratch over this.

As mentioned, pixmap operations work fine on all screens. However,
there are some pointerproblems, where the pointer leaves trails of
small white squares, on 2 screens, when moved too fast.

Menus, windowborders, and X11perf all look horrible, cut to shreads,
chaotically striped. So, there is obviously something wrong somewhere,
and thats why I write to you good people.

First card, G450 AGP
  Both screens work perfectly.
Second card, G450 PCI
  Stuff get shredded, as described above, on both screens.
Third card, G450 PCI
  Same as above, but pointer also leaves trails, on both screens.

I have tried changing bits per pixel, with no effect on the bugs at all.

I enclose my XF86Config file below.

Kim0



# **********************************************************************
# Refer to the XF86Config(4/5) man page for details about the format of
# this file.
# **********************************************************************

Section "Files"
	RgbPath      "/usr/X11R6/lib/X11/rgb"
	ModulePath   "/usr/X11R6/lib/modules"
	FontPath     "/usr/X11R6/lib/X11/fonts/misc/"
	FontPath     "/usr/X11R6/lib/X11/fonts/Speedo/"
	FontPath     "/usr/X11R6/lib/X11/fonts/Type1/"
	FontPath     "/usr/X11R6/lib/X11/fonts/CID/"
	FontPath     "/usr/X11R6/lib/X11/fonts/75dpi/"
	FontPath     "/usr/X11R6/lib/X11/fonts/100dpi/"
EndSection


# **********************************************************************
# Server flags section.
# **********************************************************************

Section "ServerFlags"

    # Uncomment this to cause a core dump at the spot where a signal is
    # received.  This may leave the console in an unusable state, but
    # may
    # provide a better stack trace in the core dump to aid in debugging
    #NoTrapSignals

    # Uncomment this to disable the <crtl><alt><bs> server abort
    # sequence
    # This allows clients to receive this key event.
    #DontZap

    # Uncomment this to disable the <crtl><alt><kp_ +="">/<kp_-> mode
    # switching
    # sequences.  This allows clients to receive these key events.
    #DontZoom

    # This  allows  the  server  to start up even if the
    # mouse device can't be opened/initialised.
    AllowMouseOpenFail

EndSection

# **********************************************************************
# Input devices
# **********************************************************************

# **********************************************************************
# Keyboard section
# **********************************************************************

Section "InputDevice"

    Identifier "Keyboard1"
    Driver      "Keyboard"
    Option "AutoRepeat"  "250 30"

    Option "XkbRules" "xfree86"
    Option "XkbModel" "pc105"
    Option "XkbLayout" "no"

EndSection

# **********************************************************************
# Pointer section
# **********************************************************************

#Section "InputDevice"
#    Identifier  "Mouse2"
#    Driver      "mouse"
#    Option "Protocol"    "PS/2"
#    Option "Device"      "/dev/usbmouse"
#    Option "Emulate3Buttons"
#    Option "Emulate3Timeout"    "50"
#EndSection


Section "InputDevice"
    Identifier  "Mouse1"
    Driver      "mouse"
    Option "Protocol"    "PS/2"
    Option "Device"      "/dev/psaux"
    Option "Emulate3Buttons"
    Option "Emulate3Timeout"    "50"
EndSection



Section "Module"

# This loads the DBE extension module.

    Load        "dbe"


# This loads the miscellaneous extensions module, and disables
# initialisation of the XFree86-DGA extension within that module.

    SubSection  "extmod"
        Option "omit xfree86-dga"
    EndSubSection

# This loads the Type1 and FreeType font modules

    Load        "type1"
    Load        "freetype"
EndSection

# **********************************************************************
# Monitor section
# **********************************************************************

# Any number of monitor sections may be present

Section "Monitor"
    Identifier "Generic|High Frequency SVGA, 1024x768 at 70 Hz"
    VendorName "Unknown"
    ModelName  "Unknown"

# HorizSync is in kHz unless units are specified.
# HorizSync may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
    HorizSync  31.5-87.0


# VertRefresh is in Hz unless units are specified.
# VertRefresh may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.
    VertRefresh 74-76

EndSection


Section "Monitor"
    Identifier "hp_A2094A"
    VendorName "Hewlett Packard"
    ModelName  "A2094A"
    HorizSync   73.0-75.0
    VertRefresh 70-72
    Modeline   "1280x1024" 123  1280 1336 1472 1648  1024 1024 1027 1051
EndSection

Section "Monitor"
    Identifier  "hp_A1097C"
    VendorName  "Hewlett Packard"
    ModelName   "A1097C"
    HorizSync    31.5 - 87.0
    VertRefresh  50.0 - 90.0
    ModeLine     "hurk" 122  1280 1360 1504 1664 960  960  963 1023
    ModeLine     "hp1280x960" 122  1280 1360 1432 1664  960  960  963 1029
EndSection

Section "Monitor"
    Identifier  "qhp_A1097C"
    VendorName  "Hewlett Packard"
    ModelName   "A1097C"
    HorizSync    31.5 - 87.0
    VertRefresh  50.0 - 90.0
    ModeLine     "hurk" 122  1280 1360 1504 1664 960  960  963 1023
    ModeLine     "hp1280x960" 121.570  1280 1360 1432 1664  960  960  963 1029
EndSection

# **********************************************************************
# Graphics device section
# **********************************************************************

Section "Device"
    Identifier "Generic VGA"
    Driver     "vga"
EndSection


Section "Device"
    Identifier  "G450_1"
    VendorName  ""
    BoardName   ""
    Driver      "mga"
    # Clock lines

    # Uncomment following option if you see a big white block
    # instead of the cursor!
    #    Option      "sw_cursor"

    Option      "DPMS"
    BusID       "PCI:1:0:0"
    Screen 0
EndSection


Section "Device"
    Identifier  "G450_2"
    VendorName  ""
    BoardName   ""
    Driver      "mga"
    Option      "DPMS"
    BusID       "PCI:1:0:0"
    Screen 1
EndSection

Section "Device"
    Identifier  "G450_3"
    VendorName  ""
    BoardName   ""
    Driver      "mga"
    Option      "DPMS"
    BusID       "PCI:2:0:0"
    Screen 0
EndSection


Section "Device"
    Identifier  "G450_4"
    VendorName  ""
    BoardName   ""
    Driver      "mga"
    Option      "DPMS"
    BusID       "PCI:2:0:0"
    Screen 1
EndSection

Section "Device"
    Identifier  "G450_5"
    VendorName  ""
    BoardName   ""
    Driver      "mga"
    Option      "DPMS"
    BusID       "PCI:3:0:0"
    Screen 0
EndSection

Section "Device"
    Identifier  "G450_6"
    VendorName  ""
    BoardName   ""
    Driver      "mga"
    Option      "DPMS"
    BusID       "PCI:3:0:0"
    Screen 1
EndSection


# **********************************************************************
# Screen sections
# **********************************************************************



Section "Screen"
    Identifier "screen1"
    Device      "G450_1"
#    Monitor     "hp_A2094A"
    Monitor     "Generic|High Frequency SVGA, 1024x768 at 70 Hz"
    DefaultColorDepth 24
    Subsection "Display"
        Depth       8
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       15
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       16
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       24
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
	Depth       32
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
EndSection

Section "Screen"
    Identifier "screen2"
    Device      "G450_2"
    Monitor     "hp_A2094A"
#    Monitor     "Generic|High Frequency SVGA, 1024x768 at 70 Hz"
    DefaultColorDepth 24
    Subsection "Display"
        Depth       8
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       15
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       16
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       24
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       32
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
EndSection

Section "Screen"
    Identifier "screen3"
    Device      "G450_3"
    Monitor     "hp_A1097C"
    DefaultColorDepth 24
    Subsection "Display"
        Depth       8
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       15
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       16
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       24
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
	Depth       32
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
EndSection

Section "Screen"
    Identifier "screen4"
    Device      "G450_4"
#    Monitor     "hp_A2094A"
    Monitor     "Generic|High Frequency SVGA, 1024x768 at 70 Hz"
    DefaultColorDepth 24
    Subsection "Display"
        Depth       8
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       15
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       16
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       24
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       32
        Modes       "1280x1024" "1024x768" "800x600" "640x480"
        ViewPort    0 0
    EndSubsection
EndSection

Section "Screen"
    Identifier "screen5"
    Device      "G450_5"
    Monitor     "qhp_A1097C"
    DefaultColorDepth 24
    Subsection "Display"
        Depth       8
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       15
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       16
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       24
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
	Depth       32
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
EndSection

Section "Screen"
    Identifier "screen6"
    Device      "G450_6"
    Monitor     "hp_A1097C"
    DefaultColorDepth 24
    Subsection "Display"
        Depth       8
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       15
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       16
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
        Depth       24
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
    Subsection "Display"
	Depth       32
#        Modes       "hurk"
        Modes       "hp1280x960"
        ViewPort    0 0
    EndSubsection
EndSection

# 5 6 3
# 4 1 2

Section "ServerLayout"
    Identifier "layout1"
    Screen     "screen1" LeftOf "screen2"
    Screen     "screen2"
    Screen     "screen3" Above  "screen2"
    Screen     "screen4" LeftOf "screen1"
    Screen     "screen5" Above  "screen4"
    Screen     "screen6" Above  "screen1"

    Option     "Xinerama"

    InputDevice "Mouse1" "CorePointer"

#InputDevice "Mouse2" "SendCoreEvents"

    InputDevice "Keyboard1" "CoreKeyboard"
EndSection










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