Comment 18 for bug 812594
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| Damiön la Bagh (kat-amsterdam) wrote | #18 |
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1b1ed1a
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@Marek Huras
From what I understood from Canonical xorg server does not look at the USB bus for video devices. It does not understand that there could ever be a video device at that location. This is why it greenscreens and why you need to tell udev that this usb device needs to be coupled to a framebuffer device.
If xorg could just get a patch to look to the usb bus as well as the pci bus then these display devices might work better.
The problem I'm having with 12.04.1LTS are:
1) the displaylink device only works with the Intel integrated graphics. Both nVidia and AMD proprietary drivers ignore the displaylink device
2) with the displaylink Intel graphics combination you must set the vgascreen to LeftOf the displaylink device in xorg.conf otherwise Unity goes completely wonky splitting the screen into 3 inequal parts then opening windows off screen not under the mouse.
3) lightdm surprisingly doesn't have too much trouble with the DisplayLink device.