Andreas Yankopolus | 3 Apr 17:23 2014
Picon

Keyboard mapping hosed with latest update

I've run into the same problem as Panayotis with x2goserver freezing on "cleaning up stale x2go sessions"
during the upgrade process.

I can break out from that, but connecting from the Windows x2go client v4.0.1.3 results in a keyboard
mapping that's completely hosed: q maps to y, w maps to t, etc.
Panayotis Katsaloulis | 2 Apr 18:14 2014

Unable to upgrade

Hello all!

I have installed x2go, I can connect - everything is fine.
In the past I think there was a problem when I tried to launch a client (as xterm session), and which I was
unable to properly close, so I forced close it.

The problem is that I am unable to upgrade through apt-get upgrade though.

Now when I try to upgrade I get this message:

Processing triggers for menu (2.1.46) ...
Setting up x2goserver (4.0.1.14-0x2go1+git20140402.842+wheezy.main.1) ...
Group x2gouser already exists.
User x2gouser already exists.
[info] Cleaning up stale X2Go sessions..

… and the screen remains like this forever.

The uname -a command produces the following result:

Linux danube 3.13-1-amd64 #1 SMP Debian 3.13.7-1 (2014-03-25) x86_64 GNU/Linux

Any help?

--  
Panayotis

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X2Go-User mailing list
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(Continue reading)

Borys Saulyak | 1 Apr 17:17 2014

Problem resuming the session

Hi guys,

I have quite often a problem to resume a session that was suspended after unexpected disconnect of the client.
In most of the cases it does not work.

On the client side I get this:
Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent session.
Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent session.
Loop: PANIC! The remote NX proxy closed the connection.
Loop: PANIC! Failure negotiating the session in stage '7'.
Loop: PANIC! Wrong version or invalid session authentication cookie.
Loop: PANIC! The remote NX proxy closed the connection.
Loop: PANIC! Failure negotiating the session in stage '7'.
Loop: PANIC! Wrong version or invalid session authentication cookie.
Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent session.
Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent session.
Loop: PANIC! The remote NX proxy closed the connection.

On the server side I see this:
Apr  1 07:09:00 xxx /usr/local/bin/x2gosetkeyboard: Setting X keyboard according to /home/dadfmg/.x2go/C-dadfmg-77-1396335925_stDKDE_dp24/keyboard
Apr  1 07:11:32 xxx sshd[9739]: Accepted keyboard-interactive/pam for dadfmg from 10.10.1.13 port 59401 ssh2
Apr  1 07:11:34 xxx /usr/local/bin/x2gosuspend-session: session with ID
dadfmg-77-1396335925_stDKDE_dp24 has been suspended successfully
Apr  1 07:11:36 xxx /usr/local/bin/x2goresume-session: client 10.10.1.13 has successfully resumed
session with ID dadfmg-77-1396335925_stDKDE_dp24
Apr  1 07:11:36 xxx sshd[9742]: error: connect_to localhost port 30081: failed.
Apr  1 07:11:36 xxx sshd[9742]: channel_by_id: 0: bad id: channel free
Apr  1 07:11:36 xxx sshd[9742]: Disconnecting: Received ieof for nonexistent channel 0.

I am on the latest version of client/server.
(Continue reading)

Nigra Truo | 1 Apr 13:30 2014
Picon

Re: X2Go-User Digest, Vol 43, Issue 24




I do think you need OpenCL to work with the GPU of the ATI card...
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/GPU_Rendering

Yes, you will need OpenCL, but it more complicated than this: for some reason, OpenCL is deactivated in Blender on Linux. There is no way to find out why, there are threads with like 18237823 posts where I could not gather what the status now is.
 

Though I suspect that could also cause trouble by trying to use the GPU
for the "work view" too....
It could be that it already, all by it self figure out that it wants to
use your ATI card?

If you open a xterm in the X2Go  session and crank this:
"blender  -d -f 1 -b" does it render a cube to your /tmp/ ?



Yes, just tried that. That does render a cube.

 
Btw. how would X2Go shadowing :0 work for you?




I'm not familiar with shadowing or what that means. Do you mean running x2godesktopsharing on the physical display on the server and then connecting to it via X2goclient?
I was not even aware that x2godesktopsharing worked already, just tried that out. Is there a way to enable desktop sharing for every session automatically?

 
 
Just skimmed through the doc... looking forward to see the videos.
I will do these in the next days. I thought it might be cool to be able to show somebody what the whole process looks like, visually demonstrate what X2go can do.
 As they say in German: Ein Bild sagt mehr als tausend Worte. A Picture is speaks more than a thousand words. But well, video has more than a thousand words per frame, so 24 fps, that would be more than 24k words per second ;-)
I guess applying cold math to a artistic proverb might not work.



As for IRC... make sure you are on a freenode server... then enter #x2go rom
What IRC client are you using?
You should always see a bunch of other users.... but quite often it can
be a very quiet place...

I'm using the one that gets bundled with KDE, don't know how it is called.
I will log in and stay online 24/7, I think that should do the trick.

 Thanks,

Markus
<div><div dir="ltr">
<br><div class="gmail_extra"><div class="gmail_quote">
<blockquote class="gmail_quote">
<br><br>
I do think you need OpenCL to work with the GPU of the ATI card...<br><a href="http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/GPU_Rendering" target="_blank">http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/GPU_Rendering</a><br>
</blockquote>
<div><br></div>
<div>
Yes, you will need OpenCL, but it more complicated than this: for some reason, OpenCL is deactivated in Blender on Linux. There is no way to find out why, there are threads with like 18237823 posts where I could not gather what the status now is. <br>
</div>
<div>&nbsp;</div>
<blockquote class="gmail_quote">
<br>
Though I suspect that could also cause trouble by trying to use the GPU<br>
for the "work view" too....<br>
It could be that it already, all by it self figure out that it wants to<br>
use your ATI card?<br><br>
If you open a xterm in the X2Go &nbsp;session and crank this:<br>
"blender &nbsp;-d -f 1 -b" does it render a cube to your /tmp/ ?<br><br><br>
</blockquote>
<div><br></div>
<div>Yes, just tried that. That does render a cube.<br>
</div>
<div>
<br>&nbsp;</div>
<blockquote class="gmail_quote">
Btw. how would X2Go shadowing :0 work for you?<br><br><br><br>
</blockquote>
<div><br></div>
<div>I'm not familiar with shadowing or what that means. Do you mean running x2godesktopsharing on the physical display on the server and then connecting to it via X2goclient?<br>
</div>
<div>I was not even aware that x2godesktopsharing worked already, just tried that out. Is there a way to enable desktop sharing for every session automatically?<br>
</div>
<div>
<br>&nbsp;</div>
<div>&nbsp;</div>
<blockquote class="gmail_quote">

Just skimmed through the doc... looking forward to see the videos.<br>
</blockquote>
<div>I will do these in the next days. I thought it might be cool to be able to show somebody what the whole process looks like, visually demonstrate what X2go can do.<br>
</div>
<div>&nbsp;As they say in German: Ein Bild sagt mehr als tausend Worte. A Picture is speaks more than a thousand words. But well, video has more than a thousand words per frame, so 24 fps, that would be more than 24k words per second ;-)<br>
</div>
<div>I guess applying cold math to a artistic proverb might not work.<br><br><br>
</div>
<blockquote class="gmail_quote">
<br>
As for IRC... make sure you are on a freenode server... then enter #x2go rom<br>
What IRC client are you using?<br>
You should always see a bunch of other users.... but quite often it can<br>
be a very quiet place...<br><br>
</blockquote>
<div>I'm using the one that gets bundled with KDE, don't know how it is called. <br>I will log in and stay online 24/7, I think that should do the trick.<br><br>
</div>
<div>&nbsp;Thanks,<br><br>Markus<br>
</div>
</div></div>
</div></div>
Buddy Butterfly | 31 Mar 13:01 2014
Picon

Again x2go and network manager


Hi guys,

sorry to warm up this topic again. We upgraded to Kubuntu 13.10.
Now network manager is again not working. Because of the problems of
the earlier Ubuntu versions we already have corrected all
.../polkit-1/actions to the same for interactive. Now we are not
able to activate the network manager again. We do need to have a
this gui for vpn etc. We are lost. Any ideas?

Thanks,
Matt

Nigra Truo | 30 Mar 18:38 2014
Picon

Re: X2Go-User Digest, Vol 43, Issue 23

Hi Mike,

we talked some month back about me helping with some X2go documentation.

I wrote some things, kinda like a newbie intro, please see here:

https://docs.google.com/document/d/1ioso0_lZkIQrgYkhvbaZg8PBgwqG9u-uEDWtG5zYxe4/edit?usp=sharing

I don't know how the wiki works and how to get write access to it, otherwise I would include it right away.

I logged into the IRC chatroom, but I don't know if I did it correctly (my first time on IRC ever), because I saw nobody else online.
It might be easier to discuss this over IRC, but I would have to see about timing (my time zone is PST)

In the linked document, you see that I mention 2 Videos, one about a typical X2go session and one about how Thinclient looks like, I still have to do these video.

Thanks,

Markus


On Sun, Mar 30, 2014 at 3:00 AM, <x2go-user-request-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org> wrote:
Send X2Go-User mailing list submissions to
        x2go-user <at> lists.berlios.de

To subscribe or unsubscribe via the World Wide Web, visit
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or, via email, send a message with subject or body 'help' to
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You can reach the person managing the list at
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When replying, please edit your Subject line so it is more specific
than "Re: Contents of X2Go-User digest..."


Today's Topics:

   1. Re: Win32 X2Go Client: Please Test nightly 4.0.2.0 build with
      newer dependencies (Mike Gabriel)


----------------------------------------------------------------------

Message: 1
Date: Sat, 29 Mar 2014 21:58:25 +0000
From: Mike Gabriel <mike.gabriel-QcRmU36LScxyC2I0vPwN6RvVK+yQ3ZXh@public.gmane.org>
To: Stefan Baur <newsgroups.mail2-vjdCSGcUOx+CT0AhDRffsw@public.gmane.org>
Cc: x2go-user-0fE9KPoRgki2Dh4bq9cB+A@public.gmane.orge
Subject: Re: [X2Go-User] Win32 X2Go Client: Please Test nightly
        4.0.2.0 build with newer dependencies
Message-ID:
        <20140329215825.Horde.pv6vFaMgy1wVTB-AaVJBHA1-UQc5W1mzpBgZgcxgSwaMJoTxlz3pEh+D@public.gmane.org>

Content-Type: text/plain; charset="utf-8"; Format="flowed";
        DelSp="Yes"

HI Stefan,

On  Fr 21 M?r 2014 08:36:12 CET, Stefan Baur wrote:

> Am 21.03.2014 02:22, schrieb Mike Gabriel:
>
>> And for the Mac users: we recently set up nightly builds for the
>> Mac OS X version of X2Go Client. Please also test these .dmg
>> installers [1]. Give feedback to Oleksandr Shneyder if you observe
>> any issues with the Mac OS X version.
>
> Does that mean we won't be needing my Mac mini any more?
> Or did you set this up on my machine? :-)

the nightly builds run on Alex's Mac. But the release builds should be
built on your Mac Mini (as Clemens is doing those).

Mike
--

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

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

freeBusy:
https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb
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End of X2Go-User Digest, Vol 43, Issue 23
*****************************************

<div>
<div dir="ltr">
<div>
<div>
<div>
<div>
<div>Hi Mike,<br><br>
</div>we talked some month back about me helping with some X2go documentation.<br><br>
</div>I wrote some things, kinda like a newbie intro, please see here:<br><br><a href="https://docs.google.com/document/d/1ioso0_lZkIQrgYkhvbaZg8PBgwqG9u-uEDWtG5zYxe4/edit?usp=sharing">https://docs.google.com/document/d/1ioso0_lZkIQrgYkhvbaZg8PBgwqG9u-uEDWtG5zYxe4/edit?usp=sharing</a><br><br>
</div>I don't know how the wiki works and how to get write access to it, otherwise I would include it right away. <br><br>I logged into the IRC chatroom, but I don't know if I did it correctly (my first time on IRC ever), because I saw nobody else online.<br>
</div>It might be easier to discuss this over IRC, but I would have to see about timing (my time zone is PST)<br><br>
</div>In the linked document, you see that I mention 2 Videos, one about a typical X2go session and one about how Thinclient looks like, I still have to do these video.<br><br>Thanks,<br><br>Markus<br>
</div>
<div class="gmail_extra">
<br><br><div class="gmail_quote">On Sun, Mar 30, 2014 at 3:00 AM,  <span dir="ltr">&lt;<a href="mailto:x2go-user-request@..." target="_blank">x2go-user-request@...</a>&gt;</span> wrote:<br><blockquote class="gmail_quote">Send X2Go-User mailing list submissions to<br>
&nbsp; &nbsp; &nbsp; &nbsp; <a href="mailto:x2go-user@...">x2go-user <at> lists.berlios.de</a><br><br>
To subscribe or unsubscribe via the World Wide Web, visit<br>
&nbsp; &nbsp; &nbsp; &nbsp; <a href="https://lists.berlios.de/mailman/listinfo/x2go-user" target="_blank">https://lists.berlios.de/mailman/listinfo/x2go-user</a><br>
or, via email, send a message with subject or body 'help' to<br>
&nbsp; &nbsp; &nbsp; &nbsp; <a href="mailto:x2go-user-request@...">x2go-user-request@...</a><br><br>
You can reach the person managing the list at<br>
&nbsp; &nbsp; &nbsp; &nbsp; <a href="mailto:x2go-user-owner@...">x2go-user-owner@...</a><br><br>
When replying, please edit your Subject line so it is more specific<br>
than "Re: Contents of X2Go-User digest..."<br><br><br>
Today's Topics:<br><br>
&nbsp; &nbsp;1. Re: Win32 X2Go Client: Please Test nightly 4.0.2.0 build with<br>
&nbsp; &nbsp; &nbsp; newer dependencies (Mike Gabriel)<br><br><br>
----------------------------------------------------------------------<br><br>
Message: 1<br>
Date: Sat, 29 Mar 2014 21:58:25 +0000<br>
From: Mike Gabriel &lt;<a href="mailto:mike.gabriel@...">mike.gabriel@...</a>&gt;<br>
To: Stefan Baur &lt;<a href="mailto:newsgroups.mail2@...">newsgroups.mail2@...</a>&gt;<br>
Cc: <a href="mailto:x2go-user@...">x2go-user@...e</a><br>
Subject: Re: [X2Go-User] Win32 X2Go Client: Please Test nightly<br>
&nbsp; &nbsp; &nbsp; &nbsp; 4.0.2.0 build with newer dependencies<br>
Message-ID:<br>
&nbsp; &nbsp; &nbsp; &nbsp; &lt;<a href="mailto:20140329215825.Horde.pv6vFaMgy1wVTB-AaVJBHA1@...">20140329215825.Horde.pv6vFaMgy1wVTB-AaVJBHA1@...</a>&gt;<br><br>
Content-Type: text/plain; charset="utf-8"; Format="flowed";<br>
&nbsp; &nbsp; &nbsp; &nbsp; DelSp="Yes"<br><br>
HI Stefan,<br><br>
On &nbsp;Fr 21 M?r 2014 08:36:12 CET, Stefan Baur wrote:<br><br>
&gt; Am <a href="tel:21.03.2014%2002" value="+12103201402">21.03.2014 02</a>:22, schrieb Mike Gabriel:<br>
&gt;<br>
&gt;&gt; And for the Mac users: we recently set up nightly builds for the<br>
&gt;&gt; Mac OS X version of X2Go Client. Please also test these .dmg<br>
&gt;&gt; installers [1]. Give feedback to Oleksandr Shneyder if you observe<br>
&gt;&gt; any issues with the Mac OS X version.<br>
&gt;<br>
&gt; Does that mean we won't be needing my Mac mini any more?<br>
&gt; Or did you set this up on my machine? :-)<br><br>
the nightly builds run on Alex's Mac. But the release builds should be<br>
built on your Mac Mini (as Clemens is doing those).<br><br>
Mike<br>
--<br><br>
DAS-NETZWERKTEAM<br>
mike gabriel, herweg 7, 24357 fleckeby<br>
fon: +49 (1520) 1976 148<br><br>
GnuPG Key ID 0x25771B31<br>
mail: <a href="mailto:mike.gabriel@...">mike.gabriel <at> das-netzwerkteam.de</a>, <a href="http://das-netzwerkteam.de" target="_blank">http://das-netzwerkteam.de</a><br><br>
freeBusy:<br><a href="https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb" target="_blank">https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb</a><br>
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End of X2Go-User Digest, Vol 43, Issue 23<br>
*****************************************≤br>
</blockquote>
</div>
<br>
</div>
</div>
Nigra Truo | 28 Mar 12:27 2014
Picon

Re: X2Go-User Digest, Vol 43, Issue 21


Date: Thu, 27 Mar 2014 12:25:04 +0100
From: "GZ Nianguan E.T." <opensource-QDnqK6RPC4KQWHG76I6BsA@public.gmane.org>
To: x2go-user-0fE9KPoRgki2Dh4bq9cB+A@public.gmane.orge
Subject: Re: [X2Go-User] Running Blender 3d in X2go
Message-ID: <lh11q1$kue$1 <at> ger.gmane.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Hi,

May I ask what's your particular use case for Blender3D via X2Go?
I cant imagine working on 3D modelling via X2Go being a very productive
solution.

If your just using remote machine for render and not design... there is
better ways to do that... from the command line.
We got some code laying around somewhere, for blander render clusters...
though its a bit old and I'm not sure if it works even with the current
version of blender... Though if that's what you need shoot me a private
e-mail and I'll see if we can help you out.


-GZNGET


Hi,

thanks for the reply. I indeed do network rendering. I'm using the official network rendering plugin of Blender.
It allows to set a master server, that coordinates all the rendering effort. Then you set slaves that do the actual rendering and connect to the master. Then, from a blender instance set to client, you can send render requests to the master and that then distributes it around to the slaves.  I have some GPUs sitting around that I want to attach to x2go servers and use them as slaves.

So you run at least 3 instances of blender with these 3 different roles. The configuration in Blender for this cannot be done on the command line so far (the render script is still marked as experimental) and for this I need to start up blender with the interface, which I cannot.

I did setup some .blend files that are set on master and slave to run these via the command line, but that no longer works for some reason. It might be that the config got changed, but I cannot even get into the GUI to check.

The funny thing is that before I had the ATI card in the X2go server, it worked flawlessly. The GUI rendering was not fluid, but pretty usable.
Now that I installed the proprietary drivers on it and X is running on the server (a strange requirement in order to use GPU rendering at all), blender segfaults.

I would be interested in the rendering script that you might have, but I won't be able to use it if I cannot set the configuration on the server to use the right compute device, and so far it looks like blender, as GUI program does not offer the full configuration options on the command line.

Thanks,

Markus
 
From: Marcus Moeller <marcus.moeller-OI3hZJvNYWs@public.gmane.org>
To: x2go-user-0fE9KPoRgki2Dh4bq9cB+A@public.gmane.orge
Subject: Re: [X2Go-User] LXDE window decoration flickers
Message-ID: <5335120C.1030205 <at> gmx.ch>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

X2Go-User mailing list
X2Go-User-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org
https://lists.berlios.de/mailman/listinfo/x2go-user

End of X2Go-User Digest, Vol 43, Issue 21
*****************************************

<div><div dir="ltr">
<br><div class="gmail_extra">
<div class="gmail_quote">
<blockquote class="gmail_quote">
Date: Thu, 27 Mar 2014 12:25:04 +0100<br>
From: "GZ Nianguan E.T." &lt;<a href="mailto:opensource <at> gznianguan.com">opensource@...</a>&gt;<br>
To: <a href="mailto:x2go-user@...">x2go-user@...e</a><br>
Subject: Re: [X2Go-User] Running Blender 3d in X2go<br>
Message-ID: &lt;lh11q1$kue$<a href="mailto:1 <at> ger.gmane.org">1 <at> ger.gmane.org</a>&gt;<br>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed<br><br>
Hi,<br><br>
May I ask what's your particular use case for Blender3D via X2Go?<br>
I cant imagine working on 3D modelling via X2Go being a very productive<br>
solution.<br><br>
If your just using remote machine for render and not design... there is<br>
better ways to do that... from the command line.<br>
We got some code laying around somewhere, for blander render clusters...<br>
though its a bit old and I'm not sure if it works even with the current<br>
version of blender... Though if that's what you need shoot me a private<br>
e-mail and I'll see if we can help you out.<br><br><br>
-GZNGET<br><br>
</blockquote>
<div><br></div>
<div>Hi,<br><br>thanks for the reply. I indeed do network rendering. I'm using the official network rendering plugin of Blender.<br>
</div>
<div>It allows to set a master server, that coordinates all the rendering effort. Then you set slaves that do the actual rendering and connect to the master. Then, from a blender instance set to client, you can send render requests to the master and that then distributes it around to the slaves.&nbsp; I have some GPUs sitting around that I want to attach to x2go servers and use them as slaves.<br><br>
</div>
<div>So you run at least 3 instances of blender with these 3 different roles. The configuration in Blender for this cannot be done on the command line so far (the render script is still marked as experimental) and for this I need to start up blender with the interface, which I cannot.<br><br>
</div>
<div>I did setup some .blend files that are set on master and slave to run these via the command line, but that no longer works for some reason. It might be that the config got changed, but I cannot even get into the GUI to check.<br><br>
</div>
<div>The funny thing is that before I had the ATI card in the X2go server, it worked flawlessly. The GUI rendering was not fluid, but pretty usable. <br>
</div>
<div>Now that I installed the proprietary drivers on it and X is running on the server (a strange requirement in order to use GPU rendering at all), blender segfaults.<br><br>
</div>
<div>I would be interested in the rendering script that you might have, but I won't be able to use it if I cannot set the configuration on the server to use the right compute device, and so far it looks like blender, as GUI program does not offer the full configuration options on the command line.<br><br>
</div>
<div>Thanks,<br><br>Markus<br>
</div>
<div>&nbsp;<br>
</div>
<blockquote class="gmail_quote">
From: Marcus Moeller &lt;<a href="mailto:marcus.moeller@...">marcus.moeller@...</a>&gt;<br>
To: <a href="mailto:x2go-user@...">x2go-user@...e</a><br>
Subject: Re: [X2Go-User] LXDE window decoration flickers<br>
Message-ID: &lt;<a href="mailto:5335120C.1030205@...">5335120C.1030205 <at> gmx.ch</a>&gt;<br>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed<br><br>
X2Go-User mailing list<br><a href="mailto:X2Go-User@...">X2Go-User@...</a><br><a href="https://lists.berlios.de/mailman/listinfo/x2go-user" target="_blank">https://lists.berlios.de/mailman/listinfo/x2go-user</a><br><br>
End of X2Go-User Digest, Vol 43, Issue 21<br>
*****************************************≤br>
</blockquote>
</div>
<br>
</div>
</div></div>
Nigra Truo | 27 Mar 11:24 2014
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Running Blender 3d in X2go

Hi,

Blender worked in X2go before. But now I installed the ATI Graphics card drivers and now the program crashes with the following error:

X Error of failed request:  GLXBadRenderRequest
  Major opcode of failed request:  147 (GLX)
  Minor opcode of failed request:  1 (X_GLXRender)
  Serial number of failed request:  153
  Current serial number in output stream:  178

Segmentation fault

Of course I don't want to have to run Blender on the screen attached to the graphics card, as this is a headless server. Why does the installation of the GPU driver interfere with X2go?

Is the GLX being used of the GPU instead of the X2go virtual display?

Thanks,

Markus
<div><div dir="ltr">
<div>
<div>
<div>
<div>Hi,<br><br>
</div>Blender worked in X2go before. But now I installed the ATI Graphics card drivers and now the program crashes with the following error:<br><br>X Error of failed request:&nbsp; GLXBadRenderRequest<br>
&nbsp; Major opcode of failed request:&nbsp; 147 (GLX)<br>&nbsp; Minor opcode of failed request:&nbsp; 1 (X_GLXRender)<br>&nbsp; Serial number of failed request:&nbsp; 153<br>&nbsp; Current serial number in output stream:&nbsp; 178<br><br>Segmentation fault<br><br>
</div>Of course I don't want to have to run Blender on the screen attached to the graphics card, as this is a headless server. Why does the installation of the GPU driver interfere with X2go?<br><br>
</div>Is the GLX being used of the GPU instead of the X2go virtual display?<br><br>
</div>Thanks,<br><br>Markus<br>
</div></div>
Marcus Moeller | 26 Mar 08:40 2014
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Picon

IceWM Systray

Hi all.

I am trying to set up an IceWM x2go session. In general it works, but 
the systray does not work within the x2go session. It works fine on a 
local login, btw.

Greets
Marcus

Attachment (smime.p7s): application/pkcs7-signature, 5073 bytes
Hi all.

I am trying to set up an IceWM x2go session. In general it works, but 
the systray does not work within the x2go session. It works fine on a 
local login, btw.

Greets
Marcus

Mathias Ewald | 24 Mar 17:56 2014
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Problem with Autologin through SSH Tunnel

Hi,

I am seeing a problems with a new set up environment using the broker 
with SSH tunneling and session autologin. I start x2goclient connecting 
to my broker, log in, receive a list of session profiles, select the one 
that uses auto login, enter my SSH proxy password and get asked to enter 
a password for some key.

Authentication to the broker is no problem:

--
2014-03-24 13:49:12,972 - broker - INFO - X2Go Session Broker (0.0.3.0),
2014-03-24 13:49:12,973 - broker - INFO -   written by Mike Gabriel 
(X2Go Project) <mike.gabriel@...>
2014-03-24 13:49:12,973 - broker - INFO - Setting up the broker's 
environment...
2014-03-24 13:49:12,974 - broker - INFO -   X2GOBROKER_DEBUG: True
2014-03-24 13:49:12,974 - broker - INFO -   X2GOBROKER_CONFIG: 
/etc/x2go/x2gobroker.conf
2014-03-24 13:49:12,974 - broker - INFO -   X2GOBROKER_AGENT_CMD: 
/usr/lib/x2go/x2gobroker-agent
2014-03-24 13:49:12,974 - broker - INFO - 
X2GOBROKER_AUTHSERVICE_SOCKET: /run/x2gobroker/x2gobroker-authservice.socket
2014-03-24 13:49:12,975 - broker - INFO -   X2GOBROKER_DEFAULT_BACKEND: 
inifile
2014-03-24 13:49:12,975 - broker - INFO -   X2GOBROKER_SSL_CERTFILE:
2014-03-24 13:49:12,975 - broker - INFO -   X2GOBROKER_SSL_KEYFILE:
2014-03-24 13:49:12,981 - broker - INFO - client address is 127.0.0.1
2014-03-24 13:49:12,981 - broker - DEBUG - username: mathias, password: 
XXXXX, task: selectsession, profile_id: termsrv, cookie:
2014-03-24 13:49:12,982 - broker - DEBUG - 
base_broker.X2GoBroker.get_authentication_mechanism(): found 
default-auth-mech in global config section: pam
2014-03-24 13:49:12,982 - broker - DEBUG - 
base_broker.X2GoBroker._do_authenticate(): authenticating user=mathias 
with password=<hidden> against backend=inifile.
2014-03-24 13:49:12,982 - broker - DEBUG - connecting to authentication 
service socket /run/x2gobroker/x2gobroker-authservice.socket
2014-03-24 13:49:12,983 - broker - DEBUG - sending username=mathias, 
password=<hidden>, service=x2gobroker to authentication service
2014-03-24 13:49:12,999 - broker - INFO - authentication against PAM 
service »x2gobroker« succeeded for user »mathias«
2014-03-24 13:49:12,999 - broker - DEBUG - 
base_broker.X2GoBroker.check_access(): result of authentication check 
is: True
2014-03-24 13:49:13,006 - broker - DEBUG - 
base_broker.X2GoBroker.get_agent_query_mode(): found 
default-agent-query-mode in global config section: none
--

After entering the SSH Proxy password auth.log says

--
Mar 24 13:52:43 access sshd[24551]: Accepted password for x2gosshproxy 
from 80.187.108.145 port 8948 ssh2
Mar 24 13:52:43 access sshd[24551]: pam_unix(sshd:session): session 
opened for user x2gosshproxy by (uid=0)
--

so that worked, too!

On the x2goserver, I see this in auth.log right after I entered the 
proxy password:

--
Mar 24 17:49:31 termsrv sshd[10065]: Did not receive identification 
string from 10.173.20.3
Mar 24 17:49:31 termsrv sshd[10067]: Did not receive identification 
string from 10.173.20.3
--

10.173.20.3 is the inner IP address of my ssh proxy and x2go broker. I 
think this is where the problem lies. I assume at this point x2gobroker 
should connect to x2goserver using the x2gobroker account and the 
installed public key. Manually, I can create this connection from the 
broker though:

--
root <at> access:~# su - x2gobroker
x2gobroker <at> access:~$ ssh 10.173.20.2
Welcome to Ubuntu 13.10 (GNU/Linux 3.11.0-12-generic x86_64)

  * Documentation:  https://help.ubuntu.com/

Last login: Mon Mar 24 17:17:29 2014 from 10.173.20.3
x2gobroker <at> termsrv:~$
--

Anybody with good troubleshooting skills? :D

cheers
Mathias
Michael DePaulo | 19 Mar 15:20 2014
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Win32 X2Go Client: Please Test nightly 4.0.2.0 build with newer dependencies

As mentioned in this thread:,
https://lists.berlios.de/pipermail/x2go-dev/2014-March/007075.html

I have prepared a X2Go Client build with newer dependencies. It is
incompatible with Windows XP. Here it is
http://code.x2go.org/releases/binary-win32/x2goclient/heuler/mingw32-4.4/qt-4.8/x2goclient-4.0.2.0-2014.03.19-new-dependencies-setup.exe

I am asking for testers.

If you do encounter a bug, please see if you can reproduce the bug on
this build without the new dependencies:
http://code.x2go.org/releases/binary-win32/x2goclient/heuler/mingw32-4.4/qt-4.8/x2goclient-4.0.2.0-2014.03.19-old-dependencies-setup.exe
(Note: Both builds do have PulseAudio 5.0. That's the only updated
dependency in the latter compared to 4.0.1.3+build2 .)

Also, you may notice that the file size is smaller for the build with
new dependencies. That is because I removed unnecessary files from
VcXsrv. Details here:
http://wiki.x2go.org/doku.php/wiki:development:build-howto-mswin:x2goclient#vcxsrv

-Mike#2

Gmane