[ubuntu-x] Backported features from xserver 1.8

[Timo Aaltonen]

On Wed, 24 Mar 2010, Timo Aaltonen wrote:

>
> 	Hi!
>
>  I've backported support for some features from xserver 1.8 to 1.7.6:
>
> - xorg.conf.d
> - inputclass
> - udev (the one we have is slightly different)
> - "various patches on top of these to fix some bugs or added features"
>
> and last, but not least, from bugzilla:
>
> - finally a proper fallback patch from SuSE to fix autoloading when there's a
>  conffile (which would've been always the case with xorg.conf.d)
>  https://bugs.freedesktop.org/show_bug.cgi?id=27229

Forgot to say that the patch is really fresh and hasn't seen that many 
eyes yet. There probably are some issues with it, but in the simple case 
(no xorg.conf with Screen sections etc) it works ok. The rest of the 
backport is pretty well baked and is quite safe.

> Tested on lucid and seems to work fine, fallbacks are loaded even when 
> there's the evdev catchall-config in place:
>
> http://pastebin.com/PB4a80i4
>
>  Why?
>
> Well, if this could be shipped with squeeze/lucid, it would allow us to get 
> in sync with upstream, and not ship a "temporary" udev hotplug solution on a 
> long term release with different documentation than the rest of the world 
> (and us in six months). Other benefits:
>
> - let the users configure their devices in the file format they all know
>  to hate :)
> - adding driver quirks in human-readable format, not C code
> - admins can ship config snippets depending on the hardware (possibly my
>  main motivation to get this, and will probably ship this locally in any
>  case)
> - blob autoload..
> - probably other stuff I've forgot
>
>  What's would be needed next?
>
> The drivers need to ship a config file in /usr/lib/X11/xorg.conf.d, since the 
> udev rules have become meaningless. Also wacom needs to drop the check for 
> input ABI 9. I didn't bump it because wacom is the only driver that is 
> affected and it's less painful this way. The above link has a rule for evdev, 
> similar ones can be trivially made for other drivers (I'll check wacom next).
>
> Where?
>
> here: git://git.debian.org/users/tjaalton-guest/xorg-server.git
> debian-unstable / ubuntu-test branches.
>
>
> I know this is late, especially for lucid which will release in a month, but 
> here you go anyway :) Let the flames roar!

-- 
Timo Aaltonen
Systems Specialist
IT Services, Aalto University School of Science and Technology