Subject: Bug#826: [X2Go-Dev] Bug#826: shadow sessions inside nxagent sessions fail

From: Mike Gabriel <[email-masked]>
Date: Sat, 20 Feb 2016 19:44:25 +0000

Control: fixed -1 3.5.99.0
Control: tags -1 fixed-upstream

On  Mi 18 Mär 2015 17:10:54 CET, Mike Gabriel wrote:

> Package: nxagent
> Severity: important
> Version: 3.5.0.29
> Control: forwarded -1 https://github.com/ArcticaProject/nx-libs/issues/6
>
> We just tried to run cascaded sessions with one of them being a  
> desktop sharing session:
>
> (a) from client (host-A) launch X2Go session to a remote server (server-B)
> (b) from X2Go session on server-B launch a remote desktop sharing  
> session with :0 on remote
> host-C
>
> Result: a black nxagent window appears (inside the X2Go Session on  
> server-B) that accepts mouse and keyboard input (which both arrive  
> on host-C via desktop sharing). If I manage to move a window via the  
> desktop sharing session, the black nxagent window does some screen  
> updates, but no full view of the remotely shared desktop appears.
>
> Further discussion see: https://github.com/ArcticaProject/nx-libs/issues/6
>
> Mike

Just for the record, this issue is resolved on the 3.6.x branch. We  
solved it by building nxagent against X.Org libXdamage.

The fix for this issue is not easily backportabled to 3.5.x.

Greets,
Mike
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