On Wed, Apr 22, 2009 at 02:45:38AM -0000, Jan Claeys wrote:
> Okay, so maybe it has never been like that upstream, it would still be
> useful to have it in Ubuntu.
> 
> The problem is, if you have a multiseat-system with 12 seats, that means
> 12 keyboard + 12 mice = 24 input devices ==> doesn't work with Ubuntu by
> default...  (but apparently this works with Debian, so maybe Debian
> already has a patch?)
> 
> If you want a real-world example of such a system:
> http://www.multiseatcomputer.be/index.php/multiseat-extreme.html

Well, I don't like randomly flipping defaults... we've been burned
several times now by increasing various parameters beyond the normal
defaults and later finding it exposed serious bugs in random corner
cases (no surprise since the non-default settings are not widely
tested).

However, you do have a point that this would be a good use model to
support.  But I'd like to see this work be done upstream.

I know of no reason why this should work on Debian but not on Ubuntu.
We're doing nothing that I know of to limit things.  Debian is running
an older version of the xserver, so I wonder if that's it.

Anyway, really what should be done is to file a bug upstream at
bugs.freedesktop.org requesting that MAX_DEVICES be increased.  Can you
do this?  Since you're passionate about this use case (and presumably
can test patches?) I think you'd be best suited for working with
upstream on this.

Bryce

-- 
MAXDEVICES too low for some purposes
https://bugs.launchpad.net/bugs/364895
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