X2Go Bug report logs - #1182
nxagent 3.6 and KDE4 causes X2Go Client for Windows's session window to "jump" up and down

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Package: x2goclient; Maintainer for x2goclient is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goclient is src:x2goclient.

Reported by: Mike DePaulo <mikedep333@gmail.com>

Date: Sat, 27 May 2017 16:20:01 UTC

Severity: normal

Found in version 4.1.0.0

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Subject: Bug#1182: [X2Go-Dev] Bug#1182: nxagent 3.6 and KDE4 causes X2Go Client for Windows's session window to "jump" up and down
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Date: Mon, 29 May 2017 19:55:15 +0000
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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: Mike DePaulo <mikedep333@gmail.com>
Cc: 1182@bugs.x2go.org
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[Message part 1 (text/plain, inline)]
Hi Mike#2,

On  Mo 29 Mai 2017 15:33:59 CEST, Mike DePaulo wrote:

> On Mon, May 29, 2017 at 4:47 AM, Mike Gabriel <
> mike.gabriel@das-netzwerkteam.de> wrote:
>
>> Hi Mike,
>>
>>  [...]
>
>>
>> this seems to be a duplicate of
>>
>> https://github.com/ArcticaProject/nx-libs/issues/161
>>
>> It would be really helpful, if you could test this with a non-X2Go based
>> NX session.
>>
>> How to achieve this:
>>
>>   1) Adapt to your setup/needs: [1]
>>   2) Launch VcXsrv on Windows machine
>>   3) launch nxagent session on Linux server
>>   4) Launch KDE4 inside the NX session
>>   5) Launch nxproxy on the windows client as shown by [1]
>>   6) Test if the same issue occurs as observed with X2Go Client
>>
>> I seem to remember that there is some Window-size manipulation code in
>> X2Go Client somewhere when built on MS Win, so that might be obsolete with
>> NX 3.6.
>>
>> Mike
>>
>>
>> [1] https://github.com/ArcticaProject/nx-libs/blob/3.6.x/
>> testscripts/run-nxproxy2nxagent-over-network
>
>
> Hi Mike#1,
>
> I tried that, however.
>
> 1. After I do the following and wait several seconds:
> a. Run the script on the server
> b. export DISPLAY=:9
> c. startkde
> nxagent is no longer running, and I get the message "$DISPLAY is not set or
> cannot connect to the X server."

What happens to the agent process? A session.log file should be  
created under $HOME/.nx/ somewhere. Investigate there.

> 2. The client errors with:
> Error: Please specify either the -C or -S option.
> Session: Session terminated at 'Mon May 29 09:26:34 2017'.

Urgh? The above looks strange. As shown by you below, you definitely  
gave -S on the nxproxy cmdline. This is strange. Any idea why that  
happens? Could you try a Linux-Linux server-client test setup first?  
Same observations there?

> wrt to #2:
> a. I tried running `export NX_HOST` 1st.
> b. I created /home/ad.depaulo.org/mike/.nx/S-9/
> c. /home/ad.depaulo.org/mike/.nx/S-9/options contains:
> nx/nx,keybd=1,samba=0,cups=0,connect=tcp:192.168.1.25:4009
> ,cookie=123efa980d2cba234ef6f73deac810ff,errors=/home/
> ad.depaulo.org/mike/.nx/S-9/session:9
> d. The command is:
> nxproxy -S nx/nx,options=/home/ad.depaulo.org/mike/.nx/S-9/options:9
> 2>>/home/ad.depaulo.org/mike/.nx/S-9/session

Make sure that no firewall rules obstruct your way!

Greets,
Mike#1


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