[Libdlo] Issues Starting X

[Todd Grayson]

I am having issues starting X with the udlfb kernel module and I am sure that it has something to do with my kernel config, but I am unsure what in the kernel configuration may be causing it.

When starting X (7.3) using the fbdev driver for card0 and the displaylink driver for card1 and Xinerama I get repeating excessively the following message and X locks up:

user.err kernel: hub 2-0:1.0: over-current change on port 1

Please note that this also happens using Xorg 6.9.0 and fbdev for both card0 and card1. As well I am using the latest udlfb kernel module from plugable (Sat, 23 Jan 2010 01:52:07 +0000) and kernel 2.6.31.5.
 
Please also note that everything boots fine and after loading the module I do see the green screen. This only happens once X has started. Here is my xconfig:


Section "ServerLayout"
        Identifier      "Server Layout"
        Screen  0       "Screen0" 0 0
        Screen  1       "Screen1" RightOf "Screen0"
    Option        "Xinerama" "on"
    Option          "Clone" "off"
    InputDevice "Mouse0" "CorePointer"
    InputDevice "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
    RgbPath    "/lib/xorg/rgb"
    FontPath    "/lib/X11/fonts/misc/"
    ModulePath    "/lib/xorg/modules"
EndSection

Section "Module"
    Load  "dbe"
    Load  "extmod"
EndSection

Section "InputDevice"
    Identifier  "Keyboard0"
    Driver      "kbd"
    Option      "AutoRepeat"    "400 30"
EndSection

Section "InputDevice"
    Identifier  "Mouse0"
    Driver      "mouse"
    Option      "Protocol"      "ImPS/2"
    Option      "Device"        "/dev/psaux"
    Option      "ZAxisMapping"  "4 5"
    Option      "Resolution"    "100"
EndSection

Section "Monitor"
        Identifier      "Monitor0"
    HorizSync 28-83
    VertRefresh 43-72
EndSection

Section "Device"
        Identifier      "Card0"
        Driver          "fbdev"
    Option          "fbdev" "/dev/fb0"
    VendorName      "ATI"
    BoardName       "Rage XL"
EndSection

Section "Device"
        Identifier      "Card1"
        Driver          "displaylink"
        Option      "fbdev" "/dev/fb1"
EndSection

Section "Screen"
        Identifier      "Screen0"
        Device          "Card0"
    Monitor         "Monitor0"
    DefaultDepth     16
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     1
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     4
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     8
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     15
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     16
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     24
    EndSubSection
EndSection

Section "Screen"
        Identifier      "Screen1"
        Device          "Card1"
    Monitor         "Monitor0"
    DefaultDepth     16
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     1
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     4
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     8
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     15
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     16
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Modes "1024x768"
        Depth     24
    EndSubSection
EndSection


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