Running 

x2goserver-4.1.0.3-17.fc35.x86_64 in Fedora 35, which recently went EOL, so perhaps there is a fix in newer X2Go server?

 /usr/sbin/x2gocleansessions[2229]: mydir-50-1672173200_stDXFCE_dp32: state file for this session does not exist: /tmp/.x2go-moniot/C-mydir-50-1672173200_stDXFCE_dp32/state (this can be ignored during session startups)     Dec 27 15:33:25 erdos /usr/bin/x2gostartagent[3403257]: successfully started X2Go Agent session with ID  mydir-50-1672173200_stDXFCE_dp32

 

 ? 29/12/2022 ? ? 17:31.42 ? ? /home/mobaxterm ? c:/Program\ Files\ \(x86\)/x2goclient/x2goclient --debug

x2go-INFO-1> "Starting X2Go Client 4.1.2.2..."

x2go-WARNING-1> English language requested, not loading translator.

x2go-WARNING-1> English language requested, not loading translator.

x2go-DEBUG-../src/onmainwindow.cpp:10779> Getting X.Org Server settings.

x2go-INFO-3> "Started X2Go Client."

x2go-DEBUG-../src/onmainwindow.cpp:575> "$HOME=C:/Users/rober"

x2go-DEBUG-../src/onmainwindow.cpp:2266> Reading 3 sessions from config file.

x2go-DEBUG-../src/sessionbutton.cpp:361> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png".

x2go-DEBUG-../src/sessionbutton.cpp:361> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png".

x2go-DEBUG-../src/sessionbutton.cpp:361> Creating QPixmap with session icon: ":/img/icons/128x128/x2gosession.png".

x2go-DEBUG-../src/onmainwindow.cpp:13290> libssh not initialized yet. Initializing.

x2go-DEBUG-../src/pulsemanager.cpp:369> pulseaudio --version returned:"pulseaudio 13.0

"

x2go-DEBUG-../src/onmainwindow.cpp:10682> Starting helper servers for Windows ...

x2go-DEBUG-../src/onmainwindow.cpp:10849> "/cygdrive/C/Users/rober/.x2go/var" cygwin var path

x2go-DEBUG-../src/onmainwindow.cpp:10937> "C:/Users/rober/.x2go/etc/sshd_config created."

x2go-DEBUG-../src/onmainwindow.cpp:10344> Resolved localhost.

x2go-DEBUG-../src/onmainwindow.cpp:10366> Port is free: 7022

x2go-DEBUG-../src/onmainwindow.cpp:11288> Logging cygwin sshd to: "C:/Users/rober/.x2go/sshLogs/Hp7204.log"

x2go-DEBUG-../src/onmainwindow.cpp:11302> Creating desktop: x2go_rober

x2go-DEBUG-../src/onmainwindow.cpp:10344> Resolved localhost.

x2go-DEBUG-../src/pulsemanager.cpp:227> pulse started with arguments ("--exit-idle-time=-1", "-n", "-F", "C:\Users\rober\.x2go\pulse\config.pa", "-p", "C:\Program Files (x86)\x2goclient\pulse\lib\pulse-13.0\modules", "--log-level=debug", "--verbose", "--log-target=file:C:\Users\rober\.x2go\pulse\pulse.log") - waiting for it to finish...

x2go-DEBUG-../src/onmainwindow.cpp:10372> Port already in use: 7022

x2go-DEBUG-../src/onmainwindow.cpp:10344> Resolved localhost.

x2go-DEBUG-../src/onmainwindow.cpp:10372> Port already in use: 7022

x2go-DEBUG-../src/onmainwindow.cpp:11399> User mode OpenSSH server started successfully.

x2go-DEBUG-../src/onmainwindow.cpp:2752> Creating QPixmap with session icon: '":/img/icons/128x128/x2gosession.png"'.

x2go-DEBUG-../src/onmainwindow.cpp:2814> Starting session with key.

x2go-INFO-8> "Starting connection to server: pascal.dsm.fordham.edu:22"

x2go-DEBUG-../src/onmainwindow.cpp:2853> Starting new ssh connection to server:"pascal.dsm.fordham.edu":"22" krbLogin: false

x2go-DEBUG-../src/sshmasterconnection.cpp:168> SshMasterConnection, host "pascal.dsm.fordham.edu"; port 22; user "myuser"; useproxy false; proxyserver ""; proxyport 22

x2go-DEBUG-../src/sshmasterconnection.cpp:248> Starting SSH connection without Kerberos authentication.

x2go-DEBUG-../src/sshmasterconnection.cpp:250> SshMasterConnection, instance SshMasterConnection(0x3d1c518) created.

x2go-DEBUG-../src/sshmasterconnection.cpp:495> SshMasterConnection, instance SshMasterConnection(0x3d1c518) entering thread.

x2go-DEBUG-../src/sshmasterconnection.cpp:575> Setting SSH directory to C:/Users/rober/ssh

x2go-DEBUG-../src/sshmasterconnection.cpp:797> Session port before config file parse: 22

x2go-DEBUG-../src/sshmasterconnection.cpp:807> Session port after config file parse: 22

x2go-DEBUG-../src/sshmasterconnection.cpp:870> Session port before config file parse (part 2): 22

x2go-DEBUG-../src/sshmasterconnection.cpp:880> Session port after config file parse (part 2): 22

x2go-DEBUG-../src/sshmasterconnection.cpp:904> cserverAuth

x2go-DEBUG-../src/sshmasterconnection.cpp:943> state: 1

x2go-DEBUG-../src/sshmasterconnection.cpp:676> Setting SSH directory to C:/Users/rober/ssh

x2go-DEBUG-../src/sshmasterconnection.cpp:1324> Trying to authenticate user with private key.

x2go-DEBUG-../src/sshmasterconnection.cpp:1507> Authenticating with key: 0

x2go-DEBUG-../src/sshmasterconnection.cpp:687> User authentication OK.

x2go-DEBUG-../src/sshmasterconnection.cpp:1708> LOGIN CHECK:"LOGIN OK

"

x2go-DEBUG-../src/sshmasterconnection.cpp:1711> don't have interaction

x2go-DEBUG-../src/sshmasterconnection.cpp:1744> LOOP FINISHED

x2go-DEBUG-../src/sshmasterconnection.cpp:1748> No interaction needed, continue session

x2go-DEBUG-../src/sshmasterconnection.cpp:702> Login Check - OK

x2go-DEBUG-../src/onmainwindow.cpp:2947> SSH connection established.

x2go-DEBUG-../src/onmainwindow.cpp:3374> Continue normal X2Go session

x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 0: "x2golistsessions"

x2go-DEBUG-../src/sshprocess.cpp:213> this=SshProcess(0x39fae18) Running masterCon->addChannelConnection(this, ' "6be57a1e-8bf3-4a28-a817-a3e07fba9b99" ', ' "bash -l -c 'echo "X2GODATABEGIN:6be57a1e-8bf3-4a28-a817-a3e07fba9b99"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2golistsessions; echo "X2GODATAEND:6be57a1e-8bf3-4a28-a817-a3e07f" ');

x2go-DEBUG-../src/sshmasterconnection.cpp:1810> Locking SSH channel connection MUTEX.

x2go-DEBUG-../src/sshmasterconnection.cpp:1812> Passing new channel connection object to channelConnections.

x2go-DEBUG-../src/sshmasterconnection.cpp:1814> Unlocking SSH channel connection MUTEX.

x2go-DEBUG-../src/sshmasterconnection.cpp:1977> Creating new channel.

x2go-DEBUG-../src/sshmasterconnection.cpp:1990> New channel:0x3e52a98

x2go-DEBUG-../src/sshmasterconnection.cpp:2065> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:6be57a1e-8bf3-4a28-a817-a3e07fba9b99"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2golistsessions; echo "X2GODATAEND:6be57a1e-8bf3-4a28-a817-a3e07fba9b99";'"

x2go-DEBUG-../src/sshmasterconnection.cpp:2082> New exec channel created.

x2go-DEBUG-../src/sshmasterconnection.cpp:2165> EOF on channel 0x3e52a98; SshProcess object: 0

x2go-DEBUG-../src/sshmasterconnection.cpp:2222> EOF sent.

x2go-DEBUG-../src/sshmasterconnection.cpp:2224> Channel closed.

x2go-DEBUG-../src/sshprocess.cpp:532> SSH finished: raw output (stdout): "X2GODATABEGIN:6be57a1e-8bf3-4a28-a817-a3e07fba9b99

DBIconnect('dbname=/var/lib/x2go/x2go_sessions','',...)failed:unabletoopendatabasefileat/usr/share/perl5/vendor_perl/X2Go/Server/DB/SQLite3.pmline66.

X2GODATAEND:6be57a1e-8bf3-4a28-a817-a3e07fba9b99

"

x2go-DEBUG-../src/sshprocess.cpp:543> SSH finished: true - "DBIconnect('dbname=/var/lib/x2go/x2go_sessions','',...)failed:unabletoopendatabasefileat/usr/share/perl5/vendor_perl/X2Go/Server/DB/SQLite3.pmline66.

" (0).

x2go-DEBUG-../src/onmainwindow.cpp:3861> "DBIconnect('dbname=/var/lib/x2go/x2go_sessions','',...)failed:unabletoopendatabasefileat/usr/share/perl5/vendor_perl/X2Go/Server/DB/SQLite3.pmline66.

"

x2go-DEBUG-../src/onmainwindow.cpp:4349> Fullscreen: false

x2go-DEBUG-../src/onmainwindow.cpp:10344> Resolved localhost.

x2go-DEBUG-../src/onmainwindow.cpp:10372> Port already in use: 6000

x2go-DEBUG-../src/onmainwindow.cpp:10344> Resolved localhost.

x2go-DEBUG-../src/onmainwindow.cpp:10366> Port is free: 6001

x2go-DEBUG-../src/onmainwindow.cpp:10434> Using internal X.Org Server: true

x2go-DEBUG-../src/onmainwindow.cpp:10457> WxH:"800"x"600"

x2go-DEBUG-../src/onmainwindow.cpp:10462> "-multiwindow -notrayicon -clipboard"

x2go-DEBUG-../src/onmainwindow.cpp:10540> Running "C:/Program Files (x86)/x2goclient\vcxsrv\vcxsrv.exe" "-multiwindow -notrayicon -clipboard -nopn -silent-dup-error :1"

x2go-DEBUG-../src/onmainwindow.cpp:10541> Trying to start X.Org Server on DISPLAY: 1

x2go-DEBUG-../src/onmainwindow.cpp:4521> Executing remote command: "X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9 unix-kde-depth_32 us auto 1 D MATE both"

x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 1: "X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9 unix-kde-depth_32 us auto 1 D MATE both"

x2go-DEBUG-../src/sshprocess.cpp:213> this=SshProcess(0x3e6d668) Running masterCon->addChannelConnection(this, ' "cdaddf08-7bca-498b-91b7-8331c7c9762c" ', ' "bash -l -c 'echo "X2GODATABEGIN:cdaddf08-7bca-498b-91b7-8331c7c9762c"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9" ');

x2go-DEBUG-../src/sshmasterconnection.cpp:1810> Locking SSH channel connection MUTEX.

x2go-DEBUG-../src/sshmasterconnection.cpp:1812> Passing new channel connection object to channelConnections.

x2go-DEBUG-../src/sshmasterconnection.cpp:1814> Unlocking SSH channel connection MUTEX.

x2go-DEBUG-../src/sshmasterconnection.cpp:1977> Creating new channel.

x2go-DEBUG-../src/sshmasterconnection.cpp:1990> New channel:0x3e52fc0

x2go-DEBUG-../src/sshmasterconnection.cpp:2065> Executing remote: "bash -l -c 'echo "X2GODATABEGIN:cdaddf08-7bca-498b-91b7-8331c7c9762c"; export PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; X2GODPI=96 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9 unix-kde-depth_32 us auto 1 D MATE both; echo "X2GODATAEND:cdaddf08-7bca-498b-91b7-8331c7c9762c";'"

x2go-DEBUG-../src/sshmasterconnection.cpp:2082> New exec channel created.

x2go-DEBUG-../src/onmainwindow.cpp:10344> Resolved localhost.

x2go-DEBUG-../src/onmainwindow.cpp:10372> Port already in use: 6001

x2go-DEBUG-../src/onmainwindow.cpp:10602> X.Org Server started on DISPLAY 1.

x2go-DEBUG-../src/onmainwindow.cpp:10824> All helper servers for Windows are started.

x2go-DEBUG-../src/sshmasterconnection.cpp:2165> EOF on channel 0x3e52fc0; SshProcess object: 1

x2go-DEBUG-../src/sshmasterconnection.cpp:2222> EOF sent.

x2go-DEBUG-../src/sshmasterconnection.cpp:2224> Channel closed.

x2go-DEBUG-../src/sshprocess.cpp:532> SSH finished: raw output (stdout): "X2GODATABEGIN:cdaddf08-7bca-498b-91b7-8331c7c9762c

X2GODATAEND:cdaddf08-7bca-498b-91b7-8331c7c9762c

"

x2go-DEBUG-../src/sshprocess.cpp:538> Have stderr only, something must be wrong.

x2go-DEBUG-../src/sshprocess.cpp:543> SSH finished: false - "/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

Unable to find free display port or insert new session into database; parameters: port (50), hostname (pascal.dsm.fordham.edu) and session name ().

" (1).

x2go-DEBUG-../src/onmainwindow.cpp:5425> Agent output: "/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

/usr/lib64/x2go/x2gocheckport: line 131: connect('dbname=/var/lib/x2go/x2go_sessions','',...): syntax error in expression (error token is "('dbname=/var/lib/x2go/x2go_sessions','',...)")

Unable to find free display port or insert new session into database; parameters: port (50), hostname (pascal.dsm.fordham.edu) and session name ().

"

x2go-DEBUG-../src/onmainwindow.cpp:1527> Close event received.

x2go-DEBUG-../src/onmainwindow.cpp:1551> Quitting from tray icon and closing application.

x2go-INFO-6> "Closing X2Go Client ..."

x2go-DEBUG-../src/onmainwindow.cpp:1370> Saving settings ...

x2go-DEBUG-../src/onmainwindow.cpp:1379> Saved settings.

x2go-DEBUG-../src/onmainwindow.cpp:1401> Waiting for the SSH connection to finish ...

x2go-DEBUG-../src/sshmasterconnection.cpp:764> SshMasterConnection, instance SshMasterConnection(0x3d1c518) waiting for thread to finish.

x2go-DEBUG-../src/sshmasterconnection.cpp:1908> Disconnecting ...

x2go-DEBUG-../src/sshmasterconnection.cpp:1917> Deleting channel connections.

x2go-DEBUG-../src/sshmasterconnection.cpp:1923> Disconnecting session.

x2go-DEBUG-../src/sshmasterconnection.cpp:1927> Deleting sockets.

x2go-DEBUG-../src/sshmasterconnection.cpp:1932> All channels closed and session disconnected. Quitting session loop.

x2go-DEBUG-../src/sshmasterconnection.cpp:766> SshMasterConnection, instance SshMasterConnection(0x3d1c518) thread finished.

x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called.

x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called.

x2go-DEBUG-../src/sshmasterconnection.cpp:771> SshMasterConnection, instance SshMasterConnection(0x3d1c518) finished destructor.

x2go-DEBUG-../src/onmainwindow.cpp:1403> SSH connection finished.

x2go-DEBUG-../src/onmainwindow.cpp:1429> Terminating the X.Org Server ...

x2go-DEBUG-../src/onmainwindow.cpp:1431> Terminated the X.Org Server.

x2go-DEBUG-../src/onmainwindow.cpp:1432> Deleting the X.Org Server ...

QProcess: Destroyed while process is still running.

x2go-DEBUG-../src/onmainwindow.cpp:1434> Deleted the X.Org Server.

x2go-DEBUG-../src/pulsemanager.cpp:785> Pulseaudio finished with code:62097

x2go-DEBUG-../src/pulsemanager.cpp:788>

x2go-DEBUG-../src/pulsemanager.cpp:791>

x2go-DEBUG-../src/onmainwindow.cpp:1517> libssh finalized.

x2go-INFO-7> "Finished X2Go Client closing hooks."

x2go-DEBUG-../src/onmainwindow.cpp:590> Destroying X2Go Client's main window.

x2go-DEBUG-../src/onmainwindow.cpp:593> Finished destructor hooks for X2Go Client's main window.

                                                      From a Linux client here are some logs: