ubuntu-x-swat team mailing list archive

[Bryce Harrington <bryce@xxxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-sisusb

[Problem]
The USB2VGA2 device from StarTech.com works when manually configured but does not automatically detect when X boots.

[Configuration]
Manual configuration requires adding a section like this in xorg.conf:

Section "Device"
        Identifier "SiS USB2VGA"
        VendorName "SiS"   # Value does not matter
        BoardName  "SiS"   # Value does not matter

        Driver     "sisusb"

# BusID: Does not matter if you have only one USB2VGA dongle.
# If you have more than one, you can specify the device node
# name or the device number here.
        #BusID     "USB:/dev/sisusbvga0"

EndSection

Section "Screen"
        Identifier "screen1"
        Device     "SiS USB2VGA"
        Monitor    "Generic"
        DefaultDepth 16
        SubSection "Display"
                Depth     16
                Modes     "1600x1200" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     8
                Modes     "1600x1200" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     24
                Modes     "1600x1200" "1024x768" "800x600" "640x480"
        EndSubSection
EndSection


The challenge is, the X.org video device autodetection operates against
devices attached to the PCI Bus, but this connects to the USB bus.  So
it's not as trivial as adding some pciids to the xserver.

$ lsusb
Bus 001 Device 005: ID 0711:0900 Magic Control Technology Corp. SVGA Adapter

** Affects: xserver-xorg-video-sisusb (Ubuntu)
     Importance: Wishlist
         Status: Triaged

-- 
USB2VGA2 device not autodetected at boot
https://bugs.launchpad.net/bugs/520585
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