X2Go Bug report logs - #826
shadow sessions inside nxagent sessions fail

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Package: nxagent; Maintainer for nxagent is X2Go Developers <x2go-dev@lists.x2go.org>; Source for nxagent is src:nx-libs.

Reported by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Date: Wed, 18 Mar 2015 16:15:02 UTC

Severity: important

Tags: fixed-upstream

Found in version 3.5.0.29

Fixed in version 3.5.99.0

Forwarded to https://github.com/ArcticaProject/nx-libs/issues/6

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Report forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#826; Package nxagent. (Wed, 18 Mar 2015 16:15:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to Mike Gabriel <mike.gabriel@das-netzwerkteam.de>:
New Bug report received and forwarded. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Wed, 18 Mar 2015 16:15:02 GMT) Full text and rfc822 format available.

Message #5 received at submit@bugs.x2go.org (full text, mbox):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: submit@bugs.x2go.org
Subject: shadow sessions inside nxagent sessions fail
Date: Wed, 18 Mar 2015 16:10:54 +0000
[Message part 1 (text/plain, inline)]
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
-- 

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

GnuPG Key ID 0x25771B31
mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de

freeBusy:
https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb
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Set Bug forwarded-to-address to 'https://github.com/ArcticaProject/nx-libs/issues/6'. Request was from Mike Gabriel <mike.gabriel@das-netzwerkteam.de> to submit@bugs.x2go.org. (Wed, 18 Mar 2015 16:15:02 GMT) Full text and rfc822 format available.

Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#826; Package nxagent. (Sat, 20 Feb 2016 19:45:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to Mike Gabriel <mike.gabriel@das-netzwerkteam.de>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Sat, 20 Feb 2016 19:45:03 GMT) Full text and rfc822 format available.

Message #12 received at 826@bugs.x2go.org (full text, mbox):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: 826@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#826: shadow sessions inside nxagent sessions fail
Date: Sat, 20 Feb 2016 19:44:25 +0000
[Message part 1 (text/plain, inline)]
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
-- 

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

GnuPG Key ID 0x25771B31
mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de

freeBusy:
https://mail.das-netzwerkteam.de/mailxchange/kronolith/fb.php?u=m.gabriel%40das-netzwerkteam.de
[Message part 2 (application/pgp-signature, inline)]

Marked as fixed in versions 3.5.99.0. Request was from Mike Gabriel <mike.gabriel@das-netzwerkteam.de> to 826-submit@bugs.x2go.org. (Sat, 20 Feb 2016 19:45:03 GMT) Full text and rfc822 format available.

Added tag(s) fixed-upstream. Request was from Mike Gabriel <mike.gabriel@das-netzwerkteam.de> to 826-submit@bugs.x2go.org. (Sat, 20 Feb 2016 19:45:03 GMT) Full text and rfc822 format available.

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