Review Request 112294: Implement multi-seat support in KDM

[Stefan Brüns]

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kdm/backend/client.c
<https://git.reviewboard.kde.org/r/112294/#comment40630>

    This is actually needed to supply the seat to logind session registration via pam_systemd.
    This could be placed earlier, but I chose this place because it is near the old CK session registration, and it only has to be before pam_open_session(...)


- Stefan Brüns


On May 26, 2014, 12:06 a.m., Stefan Brüns wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/112294/
> -----------------------------------------------------------
> 
> (Updated May 26, 2014, 12:06 a.m.)
> 
> 
> Review request for kde-workspace and Oswald Buddenhagen.
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> Repository: kde-workspace
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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/
> 
> 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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>   cmake/modules/CMakeLists.txt 117b3a5 
>   kdm/ConfigureChecks.cmake b61fd90 
>   kdm/backend/CMakeLists.txt 25f383f 
>   kdm/backend/client.c a2d06c2 
>   kdm/backend/dm.h b2f8c61 
>   kdm/backend/dm.c 77a2ef7 
>   kdm/backend/dpylist.c b650c2f 
>   kdm/backend/resource.c 38a8c70 
>   kdm/backend/server.c d8dd6f3 
>   kdm/backend/session.c 0e7901c 
>   kdm/config-kdm.h.cmake 3e8912d 
>   kdm/kfrontend/kdm_config.c 368c8d1 
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> Diff: https://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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>

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