X.org in a jail, testers wanted

Jeremie Le Hen jeremie at le-hen.org
Tue Mar 11 21:36:29 UTC 2008

Hi Alexander,

On Mon, Mar 10, 2008 at 12:28:29PM +0100, Alexander Leidinger wrote:
>  at http://www.Leidinger.net/FreeBSD/current-patches/jail.diff I have some 
>  changes which should apply to RELENG_7(_0) and HEAD which allow access to 
>  /dev/io (if configured appropriately, see the included man-page change). 
>  This is needed to run a X server in a jail. You may also need to load 
>  manually (or via the loader) the kernel module which is normally loaded by 
  the X server (in my case (a Radeon card) this means to have 
>  radeon_load="YES" in loader.conf). AFAIR the X server works without this, 
>  but probably without some acceleration. I haven't tested any 3D stuff.

Thank you very much for providing your work in this area.  I would
really like to test your patch, but I currently have very little spare
time left by my job.  So I will only cheer you up :).

>  You also need to setup /etc/devfs.rules (this is a copy of my one, it 
>  contains more than is needed to run the X server, so you can trim this if 
>  you want):
>  ---snip---
> [...]
>  ---snip---
>  You also need to make sure those rules are applied to your jail 
>  (jail_<jailname>_devfs_ruleset="devfsrules_jail_desktop").

Do you plan to document this else where, maybe in the jail chapter of
the handbook?  Otherwise I will merely bookmark your mail.

Jeremie Le Hen
< jeremie at le-hen dot org >< ttz at chchile dot org >

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