[X2Go-User] nxagent

[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 at 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 at 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 at lindev 13:38:32 ~]$ cat /etc/issue
>> Ubuntu 14.04.5 LTS \n \l
>>
>> Client:
>> [mario at 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 at 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 x86_64 x86_64 GNU/Linux
>> [mario at fatty 13:40:48 ~]$ cat /etc/issue
>> Ubuntu 14.04.5 LTS \n \l
> It just happened a second time.
> I seem to be able to repro this fairly well.
>
> I am, BTW, not able to reconnect. It just connects and disconnects again.

Is there a way to downgrade?

My setup is rather unusable. If i leave it unattended for 10-20 minutes 
i have to shoot it down

This is the 4th time today.


-- 
Mit freundlichen Grüßen/Kind regards

Mario Theodoridis

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