Review Request 112294: Implement multi-seat support in KDM

[Oswald Buddenhagen]

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given that there is no intention to make further feature releases of the kde workspace which will include kdm, i wonder why we'd go through the (potentially tedious) process of upstreaming this now?

- Oswald Buddenhagen


On Sept. 2, 2013, 11:34 p.m., Stefan Brüns wrote:
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> http://git.reviewboard.kde.org/r/112294/
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> (Updated Sept. 2, 2013, 11:34 p.m.)
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> 
> Review request for kde-workspace and Oswald Buddenhagen.
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> Description
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> This patch implements dynamic multiseat in KDM. It follows the description in:
> http://www.freedesktop.org/wiki/Software/systemd/writing-display-managers/
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> 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.
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> 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.
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> 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
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> Diffs
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>   CMakeLists.txt a3bdbb3 
>   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 64e106b 
>   kdm/backend/dm.c e0f1366 
>   kdm/backend/server.c d8dd6f3 
>   kdm/backend/session.c 0e7901c 
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> Diff: http://git.reviewboard.kde.org/r/112294/diff/
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> Testing
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> Single seat system, several multiseat systems
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> Thanks,
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> Stefan Brüns
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