Review Request 112294: Implement multi-seat support in KDM

[Stefan Brüns]

> On March 28, 2014, 10:59 a.m., Oswald Buddenhagen wrote:
> > kdm/backend/dm.c, line 1351
> > <https://git.reviewboard.kde.org/r/112294/diff/2/?file=186612#file186612line1351>
> >
> >     you can leave out the "automatic multiseat won't be enabled" from the followup messages.
> >     
> >     isn't there a function to turn the error code into a string?

Regarding error codes, the calls are documented as:
"On failure, these calls return a negative errno-style error code."


> On March 28, 2014, 10:59 a.m., Oswald Buddenhagen wrote:
> > kdm/backend/server.c, line 79
> > <https://git.reviewboard.kde.org/r/112294/diff/2/?file=186613#file186613line79>
> >
> >     why the redundant supply of the seat as a layout?

There are no config matches taking the "seat" into account, so the only possibility to apply a specific config is to use "layout".


- Stefan


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On March 29, 2014, 5:38 p.m., Stefan Brüns wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/112294/
> -----------------------------------------------------------
> 
> (Updated March 29, 2014, 5:38 p.m.)
> 
> 
> Review request for kde-workspace and Oswald Buddenhagen.
> 
> 
> Repository: kde-workspace
> 
> 
> Description
> -------
> 
> This patch implements dynamic multiseat in KDM. It follows the description in:
> http://www.freedesktop.org/wiki/Software/systemd/writing-display-managers/
> 
> In case systemd is no found at compile time, nothing changes. If logind is not running, nothing changes. If no additional seats have been configured (some Plugable USB-GPUs are automatically added as additional seats), nothing changes.
> 
> In case there are additional seats beyond seat0, a reserved display is promoted to a local static one (and demoted if the seat is removed) and a new X-Server/greeter is spawned.
> 
> The code has been tested extensively, with a combination of [Radeon dedicated GPU|Intel iGPU], [Intel iGPU|Displaylink USB GPU] and others. For history of this patch, see https://bugzilla.redhat.com/show_bug.cgi?id=884271 and https://bugzilla.redhat.com/show_bug.cgi?id=975079
> 
> 
> Diffs
> -----
> 
>   CMakeLists.txt d5c76d8 
>   cmake/modules/CMakeLists.txt 117b3a5 
>   cmake/modules/FindSystemd.cmake PRE-CREATION 
>   kdm/backend/CMakeLists.txt 25f383f 
>   kdm/backend/client.c 26bb0b4 
>   kdm/backend/dm.h b2f8c61 
>   kdm/backend/dm.c 77a2ef7 
>   kdm/backend/server.c d8dd6f3 
>   kdm/backend/session.c 0e7901c 
> 
> Diff: https://git.reviewboard.kde.org/r/112294/diff/
> 
> 
> Testing
> -------
> 
> Single seat system, several multiseat systems
> 
> 
> Thanks,
> 
> Stefan Brüns
> 
>

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