subject:"Re\: \[X2Go\-User\] nxagent"

Re: [X2Go-User] nxagent SIGSEGV when running glxinfo (and firefox) on a host with cuda installed

2021-07-13 Thread Norman Gaywood

Thanks Ulrich!

Yes indeed the system was using the libGL of nvidia. I did these steps to
recover the system:

yum reinstall libglvnd* mesa*

That fixes most of the symlinks of libGL in /usr/lib64 to again point to
the system's libGL.

Except for this one:
 # ll /usr/lib64/libGLX_indirect.so.0
lrwxrwxrwx. 1 root root 26 Jul  1 16:03 /usr/lib64/libGLX_indirect.so.0 ->
libGLX_nvidia.so.470.42.01

So I did this:

# cd /usr/lib64
# rm -f libGLX_indirect.so.0
# ln -s libGLX_mesa.so.0.0.0 libGLX_indirect.so.0
# ll /usr/lib64/libGLX_indirect.so.0
lrwxrwxrwx. 1 root root 20 Jul 14 11:43 /usr/lib64/libGLX_indirect.so.0 ->
libGLX_mesa.so.0.0.0

Now glxinfo (and firefox) don't crash nxagent!

Not sure of the full implications of manually modifying that symlink.


On Tue, 13 Jul 2021 at 20:07, Ulrich Sibiller  wrote:

> I think the problem is that the system now uses the libGL of nvidia
> instead of the libGL that came with the system. So try to reinstall
> the lib. See
> https://forums.developer.nvidia.com/t/multiple-glx-client-libraries-in-the-nvidia-linux-driver-installer-package/41308
> for some details regarding the libGL handling in the nvidia driver.
>
> Hope that helps!
>
> Uli
>
> On Tue, Jul 13, 2021 at 9:05 AM Norman Gaywood 
> wrote:
> >
> > We have some centos 7 systems with GPUs that users access with x2go to
> run their machine learning task.
> >
> > After an update to cuda on the centos 7 systems, nxagent now segfaults
> when I run glxinfo or firefox.
> >
> > nxagent-3.5.99.26-1.el7.x86_64
> > x2goserver-4.1.0.3-9.el7.x86_64
> > cuda-11.4.0-1.x86_64
> > kmod-nvidia-latest-dkms-470.42.01-1.el7.x86_64
> >
> > What's also interesting is that if I x2go into a host that does not have
> cuda installed, and then:
> >ssh -Y cudahost glxinfo
> > then the nxagent on the non-cuda host segfaults.
> >
> > This happens with glxinfo and when trying to start firefox.
> google-chrome works fine.
> >
> > This was all working fine until I updated cuda and the GPU driver. On
> Centos 7.9.2009
> > This happens on a host with a K80 GPU and another host that has a V100
> GPU.
> >
> > I also have cuda-11.4 on a Fedora 34 host with a V100 GPU.
> > If I x2go (or ssh -Y) to the Fedora 34 host, glxinfo (and firefox) run
> fine.
> >
> > nxagent-3.5.99.26-1.fc34.x86_64
> > x2goserver-4.1.0.3-10.fc34.x86_64
> > cuda-11.4.0-1.x86_64
> > kmod-nvidia-latest-dkms-3:465.19.01-1.fc33.x86_64
> >
> > Any suggestions on how I might provide some debugging information to the
> developers?
> >
> >
> >  abrt-cli list --since 1626070479
> > id 35db2c461122be7229abdbe219ddfd92d0613da8
> > reason: nxagent killed by SIGSEGV
> > time:   Mon 05 Jul 2021 09:37:02 AEST
> > cmdline:x2goagent -nolisten tcp -nolisten tcp -dpi 97 -D -auth
> /home/ngaywood/.Xauthority -geometry 2560x1440 -name
> X2GO-ngaywood-50-1625441817_stDMATE_dp24 :50
> > package:nxagent-3.5.99.26-1.el7
> > uid:5125 (ngaywood)
> > count:  21
> > Directory:  /var/spool/abrt/ccpp-2021-07-05-09:37:02-2523
> >
> >
> >
> > --
> > Norman Gaywood, Computer Systems Officer
> > School of Science and Technology
> > University of New England
> > Armidale NSW 2351, Australia
> >
> > ngayw...@une.edu.au  http://turing.une.edu.au/~ngaywood
> > Phone: +61 (0)2 6773 2412  Mobile: +61 (0)4 7862 0062
> >
> > Please avoid sending me Word or Power Point attachments.
> > See http://www.gnu.org/philosophy/no-word-attachments.html
> > ___
> > x2go-user mailing list
> > x2go-user@lists.x2go.org
> > https://lists.x2go.org/listinfo/x2go-user
>


-- 
Norman Gaywood, Computer Systems Officer
School of Science and Technology
University of New England
Armidale NSW 2351, Australia

ngayw...@une.edu.au  http://turing.une.edu.au/~ngaywood
Phone: +61 (0)2 6773 2412  Mobile: +61 (0)4 7862 0062

Please avoid sending me Word or Power Point attachments.
See http://www.gnu.org/philosophy/no-word-attachments.html
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Re: [X2Go-User] nxagent SIGSEGV when running glxinfo (and firefox) on a host with cuda installed

2021-07-13 Thread Ulrich Sibiller

I think the problem is that the system now uses the libGL of nvidia
instead of the libGL that came with the system. So try to reinstall
the lib. See 
https://forums.developer.nvidia.com/t/multiple-glx-client-libraries-in-the-nvidia-linux-driver-installer-package/41308
for some details regarding the libGL handling in the nvidia driver.

Hope that helps!

Uli

On Tue, Jul 13, 2021 at 9:05 AM Norman Gaywood  wrote:
>
> We have some centos 7 systems with GPUs that users access with x2go to run 
> their machine learning task.
>
> After an update to cuda on the centos 7 systems, nxagent now segfaults when I 
> run glxinfo or firefox.
>
> nxagent-3.5.99.26-1.el7.x86_64
> x2goserver-4.1.0.3-9.el7.x86_64
> cuda-11.4.0-1.x86_64
> kmod-nvidia-latest-dkms-470.42.01-1.el7.x86_64
>
> What's also interesting is that if I x2go into a host that does not have cuda 
> installed, and then:
>ssh -Y cudahost glxinfo
> then the nxagent on the non-cuda host segfaults.
>
> This happens with glxinfo and when trying to start firefox. google-chrome 
> works fine.
>
> This was all working fine until I updated cuda and the GPU driver. On Centos 
> 7.9.2009
> This happens on a host with a K80 GPU and another host that has a V100 GPU.
>
> I also have cuda-11.4 on a Fedora 34 host with a V100 GPU.
> If I x2go (or ssh -Y) to the Fedora 34 host, glxinfo (and firefox) run fine.
>
> nxagent-3.5.99.26-1.fc34.x86_64
> x2goserver-4.1.0.3-10.fc34.x86_64
> cuda-11.4.0-1.x86_64
> kmod-nvidia-latest-dkms-3:465.19.01-1.fc33.x86_64
>
> Any suggestions on how I might provide some debugging information to the 
> developers?
>
>
>  abrt-cli list --since 1626070479
> id 35db2c461122be7229abdbe219ddfd92d0613da8
> reason: nxagent killed by SIGSEGV
> time:   Mon 05 Jul 2021 09:37:02 AEST
> cmdline:x2goagent -nolisten tcp -nolisten tcp -dpi 97 -D -auth 
> /home/ngaywood/.Xauthority -geometry 2560x1440 -name 
> X2GO-ngaywood-50-1625441817_stDMATE_dp24 :50
> package:nxagent-3.5.99.26-1.el7
> uid:5125 (ngaywood)
> count:  21
> Directory:  /var/spool/abrt/ccpp-2021-07-05-09:37:02-2523
>
>
>
> --
> Norman Gaywood, Computer Systems Officer
> School of Science and Technology
> University of New England
> Armidale NSW 2351, Australia
>
> ngayw...@une.edu.au  http://turing.une.edu.au/~ngaywood
> Phone: +61 (0)2 6773 2412  Mobile: +61 (0)4 7862 0062
>
> Please avoid sending me Word or Power Point attachments.
> See http://www.gnu.org/philosophy/no-word-attachments.html
> ___
> x2go-user mailing list
> x2go-user@lists.x2go.org
> https://lists.x2go.org/listinfo/x2go-user
___
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Re: [X2Go-User] nxagent

2018-03-07 Thread Robert Dinse



 Nothing custom to any of mine which makes it what I want.  Particularly,
when the database gets corrupted, I want to get rid of it and start fresh.

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 Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting.
   Knowledgeable human assistance, not telephone trees or script readers.
 See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

On Wed, 7 Mar 2018, Stefan Baur wrote:


Date: Wed, 7 Mar 2018 07:46:09 +0100
From: Stefan Baur 
To: x2go-user@lists.x2go.org
Subject: Re: [X2Go-User] nxagent

Am 07.03.2018 um 01:45 schrieb Robert Dinse:


 What I do:

apt purge nx* libnx* *x2go*


That does not sound clever.
"purge" also removes config files, which may not be what you want,
especially if you made custom changes to any of them.  A simple "remove"
will leave them in place (status "rc" when checking "dpkg -l" output),
so a new installation (no matter which version) can pick up on them.

Anyways, if you're in this mess on a production system, because you
chose to ignore our previous warning [0] about switching to saimaa or
disabling auto-updates, and don't have a proper backup, either, then at
least make sure to back up /etc/x2go/ *before* running a "purge" command.

Kind Regards,
Stefan Baur

[0] http://lists.x2go.org/pipermail/x2go-user/2018-February/004836.html

--
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Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243

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Re: [X2Go-User] nxagent

2018-03-06 Thread Stefan Baur

Am 07.03.2018 um 01:45 schrieb Robert Dinse:

>  What I do:
> 
> apt purge nx* libnx* *x2go*

That does not sound clever.
"purge" also removes config files, which may not be what you want,
especially if you made custom changes to any of them.  A simple "remove"
will leave them in place (status "rc" when checking "dpkg -l" output),
so a new installation (no matter which version) can pick up on them.

Anyways, if you're in this mess on a production system, because you
chose to ignore our previous warning [0] about switching to saimaa or
disabling auto-updates, and don't have a proper backup, either, then at
least make sure to back up /etc/x2go/ *before* running a "purge" command.

Kind Regards,
Stefan Baur

[0] http://lists.x2go.org/pipermail/x2go-user/2018-February/004836.html

-- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243



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Re: [X2Go-User] nxagent

2018-03-06 Thread Robert Dinse



 What I do:

apt purge nx* libnx* *x2go*
apt autoremove

 Change repos

apt clean all # purge the cache
apt install x2goserver  --install-suggests --install-recommends

-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
 Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting.
   Knowledgeable human assistance, not telephone trees or script readers.
 See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

On Tue, 6 Mar 2018, Mario Theodoridis wrote:


Date: Tue, 6 Mar 2018 15:03:52 +0100
From: Mario Theodoridis 
To: x2go-user@lists.x2go.org
Subject: Re: [X2Go-User] nxagent

On 06/03/18 14:18, martti pitkanen wrote:


Hi,

Is there hands-on instructions how to downgrade to Saimaa in Ubuntu 
(4.13.0-)?

X2Go sessions terminate in random way.


Yes.

This is what i just did more or less following Stefans advice.


sudo mv x2go-stable-trusty.list x2go-stable-trusty.list.not
sudo add-apt-repository ppa:x2go/saimaa
sudo apt-get update

sudo apt-get remove libnx-x11-6:i386 nxagent nxproxy nx-x11-common x2goclient 
x2goserver* libx2go-log-perl libx2go-server-db-perl libx2go-server-perl 
libxcomp3:i386 libxcompshad3:i386

sudo apt-get install x2goserver x2goserver-xsession

This leaves me with

 dpkg -l | egrep "(x2go|nx)" | sort
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1    all  
JavaScript support for Sphinx documentation
ii  libnx-x11-6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 client-side library
ii  libnx-xcomposite1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Composite extension library
ii  libnx-xdamage1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 damaged region extension library
ii  libnx-xdmcp6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Display Manager Control Protocol library
ii  libnx-xext6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 miscellaneous extension library
ii  libnx-xfixes3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 miscellaneous 'fixes' extension library
ii  libnx-xinerama1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Xinerama extension library
ii  libnx-xpm4:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 
nx-X11 pixmap library
ii  libnx-xrandr2:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 RandR extension library
ii  libnx-xrender1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Rendering Extension client library
ii  libnx-xtst6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Testing -- Record extension library
ii  libxcomp3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 
nx-X11 compression library
ii  libxcompext3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 protocol compression extensions library
ii  libxcompshad3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 shadowing library
ii  nxagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 NX 
agent
ii  nx-x11-common 2:3.5.0.33-0~201711080756~ubuntu14.04.1  all  
nx-X11 (common files)
ii  qtcreator-plugin-qnx:i386 3.0.1+14.04.20140410.1-0ubuntu1  
i386 QNX plugin for Qt Creator IDE
ii  x2goagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1  all  X2Go 
agent
ii  x2goserver 4.0.1.21-0~201711081403~ubuntu14.04.1    i386 X2Go 
server daemon scripts
ii  x2goserver-extensions 4.0.1.21-0~201711081403~ubuntu14.04.1    
all  X2Go server daemon scripts (extensions)
ii  x2goserver-xsession 4.0.1.21-0~201711081403~ubuntu14.04.1    
all  X2Go server daemon scripts (Xsession runner)
rc  libx2go-server-db-perl 4.1.0.0-0~1517~ubuntu14.04.1 
i386 Perl X2Go::Server:DB package
rc  x2goclient 4.1.1.1-0~1719~ubuntu14.04.1 i386 X2Go 
Client application (Qt4)
rc  x2goserver-common 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go Server (common files)
rc  x2goserver-fmbindings 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (file manager bindings)
rc  x2goserver-printing 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go server (printing support)
rc  x2goserver-x2goagent 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server's X2Go Agent


Unfortunately i can no longer connect. It connects then disconnects.
This is the session log

$ cat /tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/session.log

running as X2Go Agent

NXAGENT - Version 3.5.0

Copyright (C) 2001, 2011 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Agent running with pid '6173'.
Session: Starting session at 'Tue Mar  6 14:50:08 2018'.
Info: Proxy running in s

Re: [X2Go-User] nxagent

2018-03-06 Thread Mario Theodoridis


On 06.03.2018 16:26, martti pitkanen wrote:


Hi Mario,

Thanks for your clear instructions, X2Go seems now to be in stable state.
Only the v-e-r-y slow  phase "Status: connecting" has returned, takes 
2-3 minutes.


I actually followed Roberts advice and went back to x2goserver-4.1. So 
far it seems to work.

I'll know more tomorrow.

--
Mit freundlichen Grüßen/Best regards

Mario Theodoridis

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Re: [X2Go-User] nxagent

2018-03-06 Thread martti pitkanen


Hi Mario,

Thanks for your clear instructions, X2Go seems now to be in stable state.
Only the v-e-r-y slow  phase "Status: connecting" has returned, takes 
2-3 minutes.



On 03/06/2018 04:03 PM, Mario Theodoridis wrote:

On 06/03/18 14:18, martti pitkanen wrote:


Hi,

Is there hands-on instructions how to downgrade to Saimaa in Ubuntu 
(4.13.0-)?

X2Go sessions terminate in random way.


Yes.

This is what i just did more or less following Stefans advice.


sudo mv x2go-stable-trusty.list x2go-stable-trusty.list.not
sudo add-apt-repository ppa:x2go/saimaa
sudo apt-get update

sudo apt-get remove libnx-x11-6:i386 nxagent nxproxy nx-x11-common 
x2goclient x2goserver* libx2go-log-perl libx2go-server-db-perl 
libx2go-server-perl libxcomp3:i386 libxcompshad3:i386

sudo apt-get install x2goserver x2goserver-xsession

This leaves me with

 dpkg -l | egrep "(x2go|nx)" | sort
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1    all 
JavaScript support for Sphinx documentation
ii  libnx-x11-6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 client-side library
ii  libnx-xcomposite1:i386 
2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 
Composite extension library
ii  libnx-xdamage1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 damaged region extension library
ii  libnx-xdmcp6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Display Manager Control Protocol library
ii  libnx-xext6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 miscellaneous extension library
ii  libnx-xfixes3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 miscellaneous 'fixes' extension library
ii  libnx-xinerama1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Xinerama extension library
ii  libnx-xpm4:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 pixmap library
ii  libnx-xrandr2:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 RandR extension library
ii  libnx-xrender1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Rendering Extension client library
ii  libnx-xtst6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Testing -- Record extension library
ii  libxcomp3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 compression library
ii  libxcompext3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 protocol compression extensions library
ii  libxcompshad3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 shadowing library
ii  nxagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 
NX agent
ii  nx-x11-common 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
all  nx-X11 (common files)
ii  qtcreator-plugin-qnx:i386 
3.0.1+14.04.20140410.1-0ubuntu1  i386 QNX plugin 
for Qt Creator IDE
ii  x2goagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
all  X2Go agent
ii  x2goserver 4.0.1.21-0~201711081403~ubuntu14.04.1    
i386 X2Go server daemon scripts
ii  x2goserver-extensions 4.0.1.21-0~201711081403~ubuntu14.04.1    
all  X2Go server daemon scripts (extensions)
ii  x2goserver-xsession 4.0.1.21-0~201711081403~ubuntu14.04.1    
all  X2Go server daemon scripts (Xsession runner)
rc  libx2go-server-db-perl 
4.1.0.0-0~1517~ubuntu14.04.1 i386 Perl 
X2Go::Server:DB package
rc  x2goclient 4.1.1.1-0~1719~ubuntu14.04.1 
i386 X2Go Client application (Qt4)
rc  x2goserver-common 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go Server (common files)
rc  x2goserver-fmbindings 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (file manager bindings)
rc  x2goserver-printing 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go server (printing support)
rc  x2goserver-x2goagent 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server's X2Go Agent


Unfortunately i can no longer connect. It connects then disconnects.
This is the session log

$ cat /tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/session.log

running as X2Go Agent

NXAGENT - Version 3.5.0

Copyright (C) 2001, 2011 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Agent running with pid '6173'.
Session: Starting session at 'Tue Mar  6 14:50:08 2018'.
Info: Proxy running in server mode with pid '6173'.
Info: Waiting for connection from 'localhost' on port '52991'.
Info: Accepted connection from '127.0.0.1'.
Info: Connection with remote proxy completed.
Info: Using WAN link parameters 1408/24/1/0.
Info: Using agent parameters 5000/5/50/0/0.
Info: Using cache parameters 4/4096KB/8192KB/8192KB.
Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 1/1.
Info: No suitable cache file found.
Info: List

Re: [X2Go-User] nxagent

2018-03-06 Thread Mario Theodoridis


On 06/03/18 15:23, Robert Kudyba wrote:

Why not just disable DPMS (Display Power Management Signaling) support?
https://github.com/ArcticaProject/nx-libs/issues/671#issuecomment-370715419

Cause i hadn't seen the comment that it worked yet.

I'll try that now and hopefully can get back to work. Thanks.

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Re: [X2Go-User] nxagent

2018-03-06 Thread Robert Kudyba

Why not just disable DPMS (Display Power Management Signaling) support?
https://github.com/ArcticaProject/nx-libs/issues/671#issuecomment-370715419

So a command like: /usr/bin/xset -dpms s off s noblank s 0 0 s noexpose
-dpms

On Tue, Mar 6, 2018 at 9:03 AM, Mario Theodoridis  wrote:

> On 06/03/18 14:18, martti pitkanen wrote:
>
> Hi,
>
> Is there hands-on instructions how to downgrade to Saimaa in Ubuntu
> (4.13.0-)?
> X2Go sessions terminate in random way.
>
> Yes.
>
> This is what i just did more or less following Stefans advice.
>
>
> sudo mv x2go-stable-trusty.list x2go-stable-trusty.list.not
> sudo add-apt-repository ppa:x2go/saimaa
> sudo apt-get update
>
> sudo apt-get remove libnx-x11-6:i386 nxagent nxproxy nx-x11-common
> x2goclient x2goserver* libx2go-log-perl libx2go-server-db-perl
> libx2go-server-perl libxcomp3:i386 libxcompshad3:i386
> sudo apt-get install x2goserver x2goserver-xsession
>
> This leaves me with
>
>  dpkg -l | egrep "(x2go|nx)" | sort
> ii  libjs-sphinxdoc
> 1.2.2+dfsg-1ubuntu1.1all  JavaScript
> support for Sphinx documentation
> ii  libnx-x11-6:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11
> client-side library
> ii  libnx-xcomposite1:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11
> Composite extension library
> ii  libnx-xdamage1:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 damaged
> region extension library
> ii  libnx-xdmcp6:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 Display
> Manager Control Protocol library
> ii  libnx-xext6:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11
> miscellaneous extension library
> ii  libnx-xfixes3:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11
> miscellaneous 'fixes' extension library
> ii  libnx-xinerama1:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 Xinerama
> extension library
> ii  libnx-xpm4:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 pixmap
> library
> ii  libnx-xrandr2:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 RandR
> extension library
> ii  libnx-xrender1:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11
> Rendering Extension client library
> ii  libnx-xtst6:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 Testing
> -- Record extension library
> ii  libxcomp3:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11
> compression library
> ii  libxcompext3:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11 protocol
> compression extensions library
> ii  libxcompshad3:i386
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 nx-X11
> shadowing library
> ii  nxagent
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 NX agent
> ii  nx-x11-common
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  all  nx-X11 (common
> files)
> ii  qtcreator-plugin-qnx:i386
> 3.0.1+14.04.20140410.1-0ubuntu1  i386 QNX plugin for
> Qt Creator IDE
> ii  x2goagent
> 2:3.5.0.33-0~201711080756~ubuntu14.04.1  all  X2Go agent
> ii  x2goserver
> 4.0.1.21-0~201711081403~ubuntu14.04.1i386 X2Go server
> daemon scripts
> ii  x2goserver-extensions
> 4.0.1.21-0~201711081403~ubuntu14.04.1all  X2Go server
> daemon scripts (extensions)
> ii  x2goserver-xsession
> 4.0.1.21-0~201711081403~ubuntu14.04.1all  X2Go server
> daemon scripts (Xsession runner)
> rc  libx2go-server-db-perl
> 4.1.0.0-0~1517~ubuntu14.04.1 i386 Perl
> X2Go::Server:DB package
> rc  x2goclient
> 4.1.1.1-0~1719~ubuntu14.04.1 i386 X2Go Client
> application (Qt4)
> rc  x2goserver-common
> 4.1.0.0-0~1517~ubuntu14.04.1 i386 X2Go Server
> (common files)
> rc  x2goserver-fmbindings
> 4.1.0.0-0~1517~ubuntu14.04.1 all  X2Go Server
> (file manager bindings)
> rc  x2goserver-printing
> 4.1.0.0-0~1517~ubuntu14.04.1 all  X2Go server
> (printing support)
> rc  x2goserver-x2goagent
> 4.1.0.0-0~1517~ubuntu14.04.1 all  X2Go Server's
> X2Go Agent
>
> Unfortunately i can no longer connect. It connects then disconnects.
> This is the session log
>
> $ cat /tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/session.log
>
> running as X2Go Agent
>
> NXAGENT - Version 3.5.0
>
> Copyright (C) 2001, 2011 NoMachine.
> See http://www.nomachine.com/
> 
> for more information.
>
> Info: Agent running with pid '6173'.
> Session: Starting session at 'Tue Mar  6 14:50:08 2018'.
> Info: Pro

Re: [X2Go-User] nxagent

2018-03-06 Thread Mario Theodoridis


On 06/03/18 14:18, martti pitkanen wrote:


Hi,

Is there hands-on instructions how to downgrade to Saimaa in Ubuntu 
(4.13.0-)?

X2Go sessions terminate in random way.


Yes.

This is what i just did more or less following Stefans advice.


sudo mv x2go-stable-trusty.list x2go-stable-trusty.list.not
sudo add-apt-repository ppa:x2go/saimaa
sudo apt-get update

sudo apt-get remove libnx-x11-6:i386 nxagent nxproxy nx-x11-common 
x2goclient x2goserver* libx2go-log-perl libx2go-server-db-perl 
libx2go-server-perl libxcomp3:i386 libxcompshad3:i386

sudo apt-get install x2goserver x2goserver-xsession

This leaves me with

 dpkg -l | egrep "(x2go|nx)" | sort
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1    
all  JavaScript support for Sphinx documentation
ii  libnx-x11-6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 client-side library
ii  libnx-xcomposite1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Composite extension library
ii  libnx-xdamage1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 damaged region extension library
ii  libnx-xdmcp6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Display Manager Control Protocol library
ii  libnx-xext6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 miscellaneous extension library
ii  libnx-xfixes3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 miscellaneous 'fixes' extension library
ii  libnx-xinerama1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Xinerama extension library
ii  libnx-xpm4:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 pixmap library
ii  libnx-xrandr2:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 RandR extension library
ii  libnx-xrender1:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Rendering Extension client library
ii  libnx-xtst6:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 Testing -- Record extension library
ii  libxcomp3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 compression library
ii  libxcompext3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 protocol compression extensions library
ii  libxcompshad3:i386 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
i386 nx-X11 shadowing library
ii  nxagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1  i386 NX 
agent
ii  nx-x11-common 2:3.5.0.33-0~201711080756~ubuntu14.04.1  
all  nx-X11 (common files)
ii  qtcreator-plugin-qnx:i386 
3.0.1+14.04.20140410.1-0ubuntu1  i386 QNX plugin for 
Qt Creator IDE
ii  x2goagent 2:3.5.0.33-0~201711080756~ubuntu14.04.1  all  
X2Go agent
ii  x2goserver 4.0.1.21-0~201711081403~ubuntu14.04.1    i386 
X2Go server daemon scripts
ii  x2goserver-extensions 4.0.1.21-0~201711081403~ubuntu14.04.1    
all  X2Go server daemon scripts (extensions)
ii  x2goserver-xsession 4.0.1.21-0~201711081403~ubuntu14.04.1    
all  X2Go server daemon scripts (Xsession runner)
rc  libx2go-server-db-perl 4.1.0.0-0~1517~ubuntu14.04.1 
i386 Perl X2Go::Server:DB package
rc  x2goclient 4.1.1.1-0~1719~ubuntu14.04.1 i386 
X2Go Client application (Qt4)
rc  x2goserver-common 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go Server (common files)
rc  x2goserver-fmbindings 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (file manager bindings)
rc  x2goserver-printing 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go server (printing support)
rc  x2goserver-x2goagent 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server's X2Go Agent


Unfortunately i can no longer connect. It connects then disconnects.
This is the session log

$ cat /tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/session.log

running as X2Go Agent

NXAGENT - Version 3.5.0

Copyright (C) 2001, 2011 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Agent running with pid '6173'.
Session: Starting session at 'Tue Mar  6 14:50:08 2018'.
Info: Proxy running in server mode with pid '6173'.
Info: Waiting for connection from 'localhost' on port '52991'.
Info: Accepted connection from '127.0.0.1'.
Info: Connection with remote proxy completed.
Info: Using WAN link parameters 1408/24/1/0.
Info: Using agent parameters 5000/5/50/0/0.
Info: Using cache parameters 4/4096KB/8192KB/8192KB.
Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 1/1.
Info: No suitable cache file found.
Info: Listening to X11 connections on display ':56'.
Error: Aborting session with 'Unable to open display 
'nx/nx,options=/tmp/.x2go-mario/C-mario-56-1520344207_stDKDE_dp24/options:56''.

Session: Aborting session at 'Tue Mar

Re: [X2Go-User] nxagent

2018-03-06 Thread Stefan Baur

Am 06.03.2018 um 14:18 schrieb martti pitkanen:
> Is there hands-on instructions how to downgrade to Saimaa in Ubuntu
> (4.13.0-)?
> X2Go sessions terminate in random way.
> 

This is untested, but it should work something like this:

- Remove your current X2Go PPA
- use https://launchpad.net/~x2go/+archive/ubuntu/saimaa instead
- run apt-get update
- run the following set of commands:
  dpkg -l | awk '$1="ii" && ($2~/x2go/ || $2~/nx/) { print $2 }' | \
  xargs -n 1 apt-cache show | egrep 'Package|Version' | tr -d "\n" | \
  sed -e 's/Package: /\n/g' -e 's/Version: /=/g'

This should give you a list of all x2go/nx-related packages, along with
their version numbers, ready for copy-and-pasting to apt-get install.

Kind Regards,
Stefan Baur

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Re: [X2Go-User] nxagent

2018-03-06 Thread martti pitkanen


Hi,

Is there hands-on instructions how to downgrade to Saimaa in Ubuntu 
(4.13.0-)?

X2Go sessions terminate in random way.


On 03/06/2018 03:03 PM, Stefan Baur wrote:

Am 06.03.2018 um 13:54 schrieb Mario Theodoridis:

Is there a way to downgrade?

Several, actually.

You can switch to the saimaa repository, or to a timestamped repository
with a timestamp before the change.  I would suggest saimaa, as it means
you will not be cut off from security updates, unlike a timestamped repo.

You will probably have to force-downgrade the packages once you've
switched repos.

apt-get install =

is probably the command you should be using for that on Debian/Ubuntu.

Kind Regards,
Stefan Baur



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+358 9 1357266 Mob +358 40 0602157 www.aplcomp.com Mail: P.O.BOX 126 
00171 Helsinki Finland
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Re: [X2Go-User] nxagent

2018-03-06 Thread Stefan Baur

Am 06.03.2018 um 13:54 schrieb Mario Theodoridis:
> Is there a way to downgrade?

Several, actually.

You can switch to the saimaa repository, or to a timestamped repository
with a timestamp before the change.  I would suggest saimaa, as it means
you will not be cut off from security updates, unlike a timestamped repo.

You will probably have to force-downgrade the packages once you've
switched repos.

apt-get install =

is probably the command you should be using for that on Debian/Ubuntu.

Kind Regards,
Stefan Baur

-- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243



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Re: [X2Go-User] nxagent

2018-03-06 Thread Mario Theodoridis


On 05/03/18 16:48, Mario Theodoridis wrote:

On 05/03/18 13:41, Mario Theodoridis wrote:

On 04/03/18 09:44, Mihai Moldovan wrote:

* On 03/04/2018 01:54 AM, Robert Dinse wrote:

   Yes consuming a large amount of CPU and not doing anything useful,
customer is disconnected.  Connection is still possible but doesn't get rid
of the stuck processes, I have to kill -9 to get rid of them.

Uhm... "stuck" is pretty ambiguous in that context - I assume that you are
referring to the CPU usage, which doesn't go down to sane levels even after
reconnecting, but reconnecting to the session as such is possible?

Is there any reasonable way to trigger this behavior? Like starting a MATE
session, disconnecting and waiting for an hour to see the CPU usage spike? Or is
it triggered by other programs running inside of the session?

I'll need something to reproduce it, server OS information would also be great.

Oh, maybe some details
Server:

[mario@lindev 13:30:31 ~]$ dpkg -l | egrep "(x2go|nx)"
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1    all 
JavaScript support for Sphinx documentation
ii  libnx-x11-6:i386 2:3.5.99.14-0~816~ubuntu14.04.1  
i386 nxagent's libNX_X11 client-part library
rc  libnx-xcomposite1:i386 
2:3.5.0.33-0~710~ubuntu14.04.1   i386 nx-X11 
Composite extension library
rc  libnx-xdamage1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 damaged region extension library
rc  libnx-xdmcp6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Display Manager Control Protocol library
rc  libnx-xext6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 miscellaneous extension library
rc  libnx-xfixes3:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 miscellaneous 'fixes' extension library
rc  libnx-xinerama1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Xinerama extension library
rc  libnx-xpm4:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 pixmap library
rc  libnx-xrandr2:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 RandR extension library
rc  libnx-xrender1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Rendering Extension client library
rc  libnx-xtst6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Testing -- Record extension library
ii  libx2go-log-perl 4.1.0.0-0~1517~ubuntu14.04.1 
all  Perl X2Go::Log package
ii  libx2go-server-db-perl 
4.1.0.0-0~1517~ubuntu14.04.1 i386 Perl 
X2Go::Server:DB package
ii  libx2go-server-perl 4.1.0.0-0~1517~ubuntu14.04.1 
all  Perl X2Go::Server package
rc  libxcompext3:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 protocol compression extensions library
ii  nx-x11-common 2:3.5.99.14-0~816~ubuntu14.04.1  
all  nx-X11 (common files)
ii  nxagent 2:3.5.99.14-0~816~ubuntu14.04.1  i386 
Nested Xserver (aka NX Agent) supporting the NX compression protocol
ii  nxproxy 2:3.5.99.14-0~816~ubuntu14.04.1  i386 
NX proxy
ii  qtcreator-plugin-qnx:i386 
3.0.1+14.04.20140410.1-0ubuntu1  i386 QNX plugin 
for Qt Creator IDE
rc  x2goagent 2:3.5.0.33-0~710~ubuntu14.04.1   
all  X2Go agent
ii  x2goclient 4.1.1.1-0~1719~ubuntu14.04.1 
i386 X2Go Client application (Qt4)
ii  x2goserver 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go server daemon scripts
ii  x2goserver-common 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go Server (common files)
ii  x2goserver-extensions 
4.1.0.0-0~1517~ubuntu14.04.1 all  X2Go Server 
(extension support)
ii  x2goserver-fmbindings 
4.1.0.0-0~1517~ubuntu14.04.1 all  X2Go Server 
(file manager bindings)
ii  x2goserver-printing 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go server (printing support)
ii  x2goserver-x2goagent 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server's X2Go Agent
ii  x2goserver-xsession 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (Xsession runner)

[mario@lindev 13:38:15 ~]$ uname -a
Linux lindev.de.regify.com 3.13.0-142-generic #191-Ubuntu SMP Fri Feb 
2 12:14:37 UTC 2018 i686 i686 i686 GNU/Linux

[mario@lindev 13:38:32 ~]$ cat /etc/issue
Ubuntu 14.04.5 LTS \n \l

Client:
[mario@fatty 13:40:25 ~]$ dpkg -l | egrep "(x2go|nx)"
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1 all  JavaScript 
support for Sphinx documentation
ii  libxcomp3:amd64 2:3.5.0.33-0~710~ubuntu14.04.1 amd64    
nx-X11 compression library

ii  nxproxy 2:3.5.0.33-0~710~ubuntu14.04.1 amd64    NX proxy
ii  x2goclient 4.1.1.0-0~1679~ubuntu14.04.1 amd64    X2Go Client 
application (Qt4)

[mario@fatty 13:40:38 ~]$ uname -a
Linux fatty 3.13.0-137-generic #186-Ub

Re: [X2Go-User] nxagent

2018-03-05 Thread Mario Theodoridis


On 05/03/18 13:41, Mario Theodoridis wrote:

On 04/03/18 09:44, Mihai Moldovan wrote:

* On 03/04/2018 01:54 AM, Robert Dinse wrote:

   Yes consuming a large amount of CPU and not doing anything useful,
customer is disconnected.  Connection is still possible but doesn't get rid
of the stuck processes, I have to kill -9 to get rid of them.

Uhm... "stuck" is pretty ambiguous in that context - I assume that you are
referring to the CPU usage, which doesn't go down to sane levels even after
reconnecting, but reconnecting to the session as such is possible?

Is there any reasonable way to trigger this behavior? Like starting a MATE
session, disconnecting and waiting for an hour to see the CPU usage spike? Or is
it triggered by other programs running inside of the session?

I'll need something to reproduce it, server OS information would also be great.

Oh, maybe some details
Server:

[mario@lindev 13:30:31 ~]$ dpkg -l | egrep "(x2go|nx)"
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1    all 
JavaScript support for Sphinx documentation
ii  libnx-x11-6:i386 2:3.5.99.14-0~816~ubuntu14.04.1  i386 
nxagent's libNX_X11 client-part library
rc  libnx-xcomposite1:i386 
2:3.5.0.33-0~710~ubuntu14.04.1   i386 nx-X11 
Composite extension library
rc  libnx-xdamage1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 damaged region extension library
rc  libnx-xdmcp6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Display Manager Control Protocol library
rc  libnx-xext6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 miscellaneous extension library
rc  libnx-xfixes3:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 miscellaneous 'fixes' extension library
rc  libnx-xinerama1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Xinerama extension library
rc  libnx-xpm4:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 pixmap library
rc  libnx-xrandr2:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 RandR extension library
rc  libnx-xrender1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Rendering Extension client library
rc  libnx-xtst6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Testing -- Record extension library
ii  libx2go-log-perl 4.1.0.0-0~1517~ubuntu14.04.1 
all  Perl X2Go::Log package
ii  libx2go-server-db-perl 
4.1.0.0-0~1517~ubuntu14.04.1 i386 Perl 
X2Go::Server:DB package
ii  libx2go-server-perl 4.1.0.0-0~1517~ubuntu14.04.1 
all  Perl X2Go::Server package
rc  libxcompext3:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 protocol compression extensions library
ii  nx-x11-common 2:3.5.99.14-0~816~ubuntu14.04.1  
all  nx-X11 (common files)
ii  nxagent 2:3.5.99.14-0~816~ubuntu14.04.1  i386 
Nested Xserver (aka NX Agent) supporting the NX compression protocol
ii  nxproxy 2:3.5.99.14-0~816~ubuntu14.04.1  i386 
NX proxy
ii  qtcreator-plugin-qnx:i386 
3.0.1+14.04.20140410.1-0ubuntu1  i386 QNX plugin 
for Qt Creator IDE
rc  x2goagent 2:3.5.0.33-0~710~ubuntu14.04.1   
all  X2Go agent
ii  x2goclient 4.1.1.1-0~1719~ubuntu14.04.1 
i386 X2Go Client application (Qt4)
ii  x2goserver 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go server daemon scripts
ii  x2goserver-common 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go Server (common files)
ii  x2goserver-extensions 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (extension support)
ii  x2goserver-fmbindings 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (file manager bindings)
ii  x2goserver-printing 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go server (printing support)
ii  x2goserver-x2goagent 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server's X2Go Agent
ii  x2goserver-xsession 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (Xsession runner)

[mario@lindev 13:38:15 ~]$ uname -a
Linux lindev.de.regify.com 3.13.0-142-generic #191-Ubuntu SMP Fri Feb 
2 12:14:37 UTC 2018 i686 i686 i686 GNU/Linux

[mario@lindev 13:38:32 ~]$ cat /etc/issue
Ubuntu 14.04.5 LTS \n \l

Client:
[mario@fatty 13:40:25 ~]$ dpkg -l | egrep "(x2go|nx)"
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1 all  JavaScript 
support for Sphinx documentation
ii  libxcomp3:amd64 2:3.5.0.33-0~710~ubuntu14.04.1 amd64    nx-X11 
compression library

ii  nxproxy 2:3.5.0.33-0~710~ubuntu14.04.1 amd64    NX proxy
ii  x2goclient 4.1.1.0-0~1679~ubuntu14.04.1 amd64    X2Go Client 
application (Qt4)

[mario@fatty 13:40:38 ~]$ uname -a
Linux fatty 3.13.0-137-generic #186-Ubuntu SMP Mon Dec 4 19:09:19 UTC 
2017 x86_64 x8

Re: [X2Go-User] nxagent

2018-03-05 Thread Mario Theodoridis


On 04/03/18 09:44, Mihai Moldovan wrote:

* On 03/04/2018 01:54 AM, Robert Dinse wrote:

   Yes consuming a large amount of CPU and not doing anything useful,
customer is disconnected.  Connection is still possible but doesn't get rid
of the stuck processes, I have to kill -9 to get rid of them.

Uhm... "stuck" is pretty ambiguous in that context - I assume that you are
referring to the CPU usage, which doesn't go down to sane levels even after
reconnecting, but reconnecting to the session as such is possible?

Is there any reasonable way to trigger this behavior? Like starting a MATE
session, disconnecting and waiting for an hour to see the CPU usage spike? Or is
it triggered by other programs running inside of the session?

I'll need something to reproduce it, server OS information would also be great.

Oh, maybe some details
Server:

[mario@lindev 13:30:31 ~]$ dpkg -l | egrep "(x2go|nx)"
ii  libjs-sphinxdoc 1.2.2+dfsg-1ubuntu1.1    
all  JavaScript support for Sphinx documentation
ii  libnx-x11-6:i386 2:3.5.99.14-0~816~ubuntu14.04.1  
i386 nxagent's libNX_X11 client-part library
rc  libnx-xcomposite1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Composite extension library
rc  libnx-xdamage1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 damaged region extension library
rc  libnx-xdmcp6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Display Manager Control Protocol library
rc  libnx-xext6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 miscellaneous extension library
rc  libnx-xfixes3:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 miscellaneous 'fixes' extension library
rc  libnx-xinerama1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Xinerama extension library
rc  libnx-xpm4:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 pixmap library
rc  libnx-xrandr2:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 RandR extension library
rc  libnx-xrender1:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Rendering Extension client library
rc  libnx-xtst6:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 Testing -- Record extension library
ii  libx2go-log-perl 4.1.0.0-0~1517~ubuntu14.04.1 
all  Perl X2Go::Log package
ii  libx2go-server-db-perl 4.1.0.0-0~1517~ubuntu14.04.1 
i386 Perl X2Go::Server:DB package
ii  libx2go-server-perl 4.1.0.0-0~1517~ubuntu14.04.1 
all  Perl X2Go::Server package
rc  libxcompext3:i386 2:3.5.0.33-0~710~ubuntu14.04.1   
i386 nx-X11 protocol compression extensions library
ii  nx-x11-common 2:3.5.99.14-0~816~ubuntu14.04.1  
all  nx-X11 (common files)
ii  nxagent 2:3.5.99.14-0~816~ubuntu14.04.1  i386 
Nested Xserver (aka NX Agent) supporting the NX compression protocol
ii  nxproxy 2:3.5.99.14-0~816~ubuntu14.04.1  i386 NX 
proxy
ii  qtcreator-plugin-qnx:i386 
3.0.1+14.04.20140410.1-0ubuntu1  i386 QNX plugin for 
Qt Creator IDE
rc  x2goagent 2:3.5.0.33-0~710~ubuntu14.04.1   all  
X2Go agent
ii  x2goclient 4.1.1.1-0~1719~ubuntu14.04.1 i386 
X2Go Client application (Qt4)
ii  x2goserver 4.1.0.0-0~1517~ubuntu14.04.1 i386 
X2Go server daemon scripts
ii  x2goserver-common 4.1.0.0-0~1517~ubuntu14.04.1 
i386 X2Go Server (common files)
ii  x2goserver-extensions 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (extension support)
ii  x2goserver-fmbindings 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (file manager bindings)
ii  x2goserver-printing 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go server (printing support)
ii  x2goserver-x2goagent 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server's X2Go Agent
ii  x2goserver-xsession 4.1.0.0-0~1517~ubuntu14.04.1 
all  X2Go Server (Xsession runner)

[mario@lindev 13:38:15 ~]$ uname -a
Linux lindev.de.regify.com 3.13.0-142-generic #191-Ubuntu SMP Fri Feb 2 
12:14:37 UTC 2018 i686 i686 i686 GNU/Linux

[mario@lindev 13:38:32 ~]$ cat /etc/issue
Ubuntu 14.04.5 LTS \n \l

Client:
[mario@fatty 13:40:25 ~]$ dpkg -l | egrep "(x2go|nx)"
ii  libjs-sphinxdoc 
1.2.2+dfsg-1ubuntu1.1  all JavaScript 
support for Sphinx documentation
ii  libxcomp3:amd64 
2:3.5.0.33-0~710~ubuntu14.04.1 amd64 nx-X11 
compression library
ii  nxproxy 2:3.5.0.33-0~710~ubuntu14.04.1 amd64 
NX proxy
ii  x2goclient 4.1.1.0-0~1679~ubuntu14.04.1   
amd64 X2Go Client application (Qt4)

[mario@fatty 13:40:38 ~]$ uname -a
Linux fatty 3.13.0-137-generic #186-

Re: [X2Go-User] nxagent

2018-03-05 Thread Mario Theodoridis


On 04/03/18 09:44, Mihai Moldovan wrote:

* On 03/04/2018 01:54 AM, Robert Dinse wrote:

   Yes consuming a large amount of CPU and not doing anything useful,
customer is disconnected.  Connection is still possible but doesn't get rid
of the stuck processes, I have to kill -9 to get rid of them.

Uhm... "stuck" is pretty ambiguous in that context - I assume that you are
referring to the CPU usage, which doesn't go down to sane levels even after
reconnecting, but reconnecting to the session as such is possible?

Is there any reasonable way to trigger this behavior? Like starting a MATE
session, disconnecting and waiting for an hour to see the CPU usage spike? Or is
it triggered by other programs running inside of the session?

I'll need something to reproduce it, server OS information would also be great.


I'm having this problem at the moment.
I was running a KDE session and screensaver has always been disabled.
I installed the new server this morning, worked and then went to lunch.
When i came back the client won't connect and nxagent is having a CPU 
for breakfast.


Any additional details i can provide?

--
Mit freundlichen Grüßen/Kind regards

Mario Theodoridis

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Re: [X2Go-User] nxagent

2018-03-05 Thread Mihai Moldovan

* On 03/04/2018 10:51 AM, Robert Dinse wrote:
>   It hasn't happened to me so I don't know what the people are doing 
> before
> it gets stuck, could be mate, kde, lxde, lfce, openbox, they're all on there.
> Next time it happens I'll trace it to see what it is doing.

Please follow https://github.com/ArcticaProject/nx-libs/issues/671



Mihai




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Re: [X2Go-User] nxagent

2018-03-04 Thread Robert Dinse



 It hasn't happened to me so I don't know what the people are doing before
it gets stuck, could be mate, kde, lxde, lfce, openbox, they're all on there.
Next time it happens I'll trace it to see what it is doing.

-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
 Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting.
   Knowledgeable human assistance, not telephone trees or script readers.
 See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

On Sun, 4 Mar 2018, Mihai Moldovan wrote:


Date: Sun, 4 Mar 2018 09:44:03 +0100
From: Mihai Moldovan 
To: Robert Dinse 
Cc: x2go-user@lists.x2go.org
Subject: Re: nxagent

* On 03/04/2018 01:54 AM, Robert Dinse wrote:

  Yes consuming a large amount of CPU and not doing anything useful,
customer is disconnected.  Connection is still possible but doesn't get rid
of the stuck processes, I have to kill -9 to get rid of them.


Uhm... "stuck" is pretty ambiguous in that context - I assume that you are
referring to the CPU usage, which doesn't go down to sane levels even after
reconnecting, but reconnecting to the session as such is possible?

Is there any reasonable way to trigger this behavior? Like starting a MATE
session, disconnecting and waiting for an hour to see the CPU usage spike? Or is
it triggered by other programs running inside of the session?

I'll need something to reproduce it, server OS information would also be great.

There is https://bugs.x2go.org/1260 which sounds like the same issue, but I
haven't had time to get into this yet. This issue is observable on Fedora 27,
but if it's even observable on Debian or Ubuntu or other distros it would also
be interesting information.



Mihai




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Re: [X2Go-User] nxagent

2018-03-04 Thread Mihai Moldovan

* On 03/04/2018 01:54 AM, Robert Dinse wrote:
>   Yes consuming a large amount of CPU and not doing anything useful, 
> customer is disconnected.  Connection is still possible but doesn't get rid
> of the stuck processes, I have to kill -9 to get rid of them.

Uhm... "stuck" is pretty ambiguous in that context - I assume that you are
referring to the CPU usage, which doesn't go down to sane levels even after
reconnecting, but reconnecting to the session as such is possible?

Is there any reasonable way to trigger this behavior? Like starting a MATE
session, disconnecting and waiting for an hour to see the CPU usage spike? Or is
it triggered by other programs running inside of the session?

I'll need something to reproduce it, server OS information would also be great.

There is https://bugs.x2go.org/1260 which sounds like the same issue, but I
haven't had time to get into this yet. This issue is observable on Fedora 27,
but if it's even observable on Debian or Ubuntu or other distros it would also
be interesting information.

Mihai

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Re: [X2Go-User] nxagent

2018-03-03 Thread Robert Dinse



 Yes consuming a large amount of CPU and not doing anything useful, 
customer is disconnected.  Connection is still possible but doesn't get rid

of the stuck processes, I have to kill -9 to get rid of them.

-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
 Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting.
   Knowledgeable human assistance, not telephone trees or script readers.
 See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.

On Sun, 4 Mar 2018, Mihai Moldovan wrote:


Date: Sun, 4 Mar 2018 01:42:09 +0100
From: Mihai Moldovan 
To: Robert Dinse 
Cc: x2go-user@lists.x2go.org
Subject: Re: nxagent

* On 03/04/2018 01:35 AM, Robert Dinse wrote:

  We are seeing nxagent processes stuck running in a loop when the customer
is no longer logged in.


Stuck in a loop, i.e., using a high amount of CPU resources and not doing
anything useful? Is connecting still possible? Does the usage return to normal
levels after that?


Mihai



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Re: [X2Go-User] nxagent

2018-03-03 Thread Mihai Moldovan

* On 03/04/2018 01:35 AM, Robert Dinse wrote:
>   We are seeing nxagent processes stuck running in a loop when the 
> customer
> is no longer logged in.

Stuck in a loop, i.e., using a high amount of CPU resources and not doing
anything useful? Is connecting still possible? Does the usage return to normal
levels after that?

Mihai

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Re: [X2Go-User] nxagent SIGSEGV when running glxinfo (and firefox) on a host with cuda installed

Re: [X2Go-User] nxagent SIGSEGV when running glxinfo (and firefox) on a host with cuda installed

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