Well it's not firewalld.
lsof -i :6050 returns nothing.
from bash x:
bash -x /usr/lib64/x2go/x2gogetfreeport $(hostname) "$(which ss)" display 50
+ typeset current_host_name=ourdomain.edu
+ typeset ss=/usr/sbin/ss
+ typeset type=display
+ typeset start=50
+ typeset end=65535
+ typeset 'empty_regex=^[[:space:]]*$'
+ [[ -z ourdomain.edu ]]
+ [[ ourdomain.edu =~ ^[[:space:]]*$ ]]
+ [[ ourdomain.edu = \(\n\o\n\e\) ]]
+ [[ ourdomain.edu = \l\o\c\a\l\h\o\s\t ]]
+ [[ -z /usr/sbin/ss ]]
+ [[ /usr/sbin/ss =~ ^[[:space:]]*$ ]]
+ typeset -i start_i=50
+ typeset -i end_i=65535
+ [[ -z 50 ]]
+ [[ 50 != \5\0 ]]
+ [[ 50 -ne 50 ]]
+ [[ 50 -lt 0 ]]
+ [[ 50 -gt 65535 ]]
+ [[ -z 65535 ]]
+ [[ 65535 != \6\5\5\3\5 ]]
+ [[ 65535 -ne 65535 ]]
+ [[ 65535 -lt 50 ]]
+ [[ 65535 -gt 65535 ]]
+ [[ display != \l\o\w\l\e\v\e\l ]]
+ [[ display != \d\i\s\p\l\a\y ]]
++ x2gopath libexec
+ typeset x2go_lib_path=/usr/lib64/x2go
+ typeset X2GO_INTERNAL_SOURCE=1
+ : 1
+ . /usr/lib64/x2go/x2gocheckport
++ [[ -z 1 ]]
++ typeset -a used_x2go_ports
++ typeset -a used_system_ports
++ typeset -a used_display_ports
++ used_x2go_ports=()
++ used_system_ports=()
++ used_display_ports=()
+ unset X2GO_INTERNAL_SOURCE
+ typeset -i ret_port=50
+ typeset -i ret=1
+ typeset -i work_port=0
+ typeset -i stop_port=65535
+ [[ display = \d\i\s\p\l\a\y ]]
+ stop_port=59535
+ (( work_port = start ))
+ (( i <= stop_port ))
+ typeset -i i=0
+ typeset -i value_found=0
+ [[ display = \d\i\s\p\l\a\y ]]
+ check_display_port ourdomain.edu /usr/sbin/ss 50
+ typeset current_host_name=ourdomain.edu
+ typeset ss=/usr/sbin/ss
+ typeset port=50
+ typeset 'empty_regex=^[[:space:]]*$'
+ [[ -z ourdomain.edu ]]
+ [[ ourdomain.edu =~ ^[[:space:]]*$ ]]
+ [[ ourdomain.edu = \(\n\o\n\e\) ]]
+ [[ ourdomain.edu = \l\o\c\a\l\h\o\s\t ]]
+ [[ -z /usr/sbin/ss ]]
+ [[ /usr/sbin/ss =~ ^[[:space:]]*$ ]]
+ typeset -i port_i=50
+ [[ -z 50 ]]
+ [[ 50 != \5\0 ]]
+ [[ 50 -ne 50 ]]
+ [[ 50 -lt 0 ]]
+ [[ 50 -gt 59535 ]]
+ typeset -i ret=0
+ [[ 0 -eq 0 ]]
+ initialize_display_ports ourdomain.edu
+ typeset current_host_name=ourdomain.edu
+ typeset 'empty_regex=^[[:space:]]*$'
+ [[ -z ourdomain.edu ]]
+ [[ ourdomain.edu =~ ^[[:space:]]*$ ]]
+ [[ ourdomain.edu = \(\n\o\n\e\) ]]
+ [[ ourdomain.edu = \l\o\c\a\l\h\o\s\t ]]
+ typeset -a used_display_ports_work
+ used_display_ports_work=()
+ IFS='
|'
+ read -r -d '' -a used_display_ports_work
++ /usr/lib64/x2go/x2gogetdisplays ourdomain.edu
+ typeset -i item_i=0
+ typeset item=
+ for item in "${used_display_ports_work[@]}"
+ item_i=DBI
+ [[ -n DBI ]]
+ [[ DBI -eq 0 ]]
+ [[ DBI = \0 ]]
+ for item in "${used_display_ports_work[@]}"
+ item_i='connect('\''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','',...)")
+ printf '%d\n' 50
50
+ exit 1
Here's some debug from X2Go Mac Client:
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-INFO-3> "Started X2Go Client."
x2go-DEBUG-../src/onmainwindow.cpp:575> "$HOME=/Users/rkudyba"
x2go-DEBUG-../src/onmainwindow.cpp:2266> Reading 2 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/onmainwindow.cpp:13290> libssh not initialized yet.
Initializing.
x2go-DEBUG-../src/x2goutils.cpp:219> path value at beginning:
"/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Applications/VMware
Fusion.app/Contents/Public:/opt/X11/bin"
x2go-DEBUG-../src/x2goutils.cpp:242> tmp_clean_add: ("/usr/local/bin")
x2go-DEBUG-../src/x2goutils.cpp:270> clean_add: ("/usr/local/bin")
x2go-DEBUG-../src/x2goutils.cpp:291> found entry i (0) in orig_path_list
("/usr/local/bin"): true
x2go-DEBUG-../src/x2goutils.cpp:309> return value at end:
"/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Applications/VMware
Fusion.app/Contents/Public:/opt/X11/bin"
x2go-DEBUG-../src/x2goutils.cpp:219> path value at beginning:
"/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Applications/VMware
Fusion.app/Contents/Public:/opt/X11/bin"
x2go-DEBUG-../src/x2goutils.cpp:242> tmp_clean_add: ("/opt/local//bin")
x2go-DEBUG-../src/x2goutils.cpp:270> clean_add: ("/opt/local//bin")
x2go-DEBUG-../src/x2goutils.cpp:291> found entry i (0) in orig_path_list
("/opt/local//bin"): false
x2go-DEBUG-../src/x2goutils.cpp:309> return value at end:
"/opt/local//bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Applications/VMware
Fusion.app/Contents/Public:/opt/X11/bin"
x2go-DEBUG-../src/pulsemanager.cpp:131> Found PA binary as
"/Applications/x2goclient.app/Contents/exe/pulseaudio"
x2go-DEBUG-../src/pulsemanager.cpp:132> Corresponding working dir:
"/Applications/x2goclient.app/Contents/exe"
x2go-DEBUG-../src/pulsemanager.cpp:369> pulseaudio --version
returned:"pulseaudio 13.0-rebootstrapped
"
x2go-DEBUG-../src/pulsemanager.cpp:227> pulse started with arguments
("--exit-idle-time=-1", "-n", "-F", "/Users/rkudyba/.x2go/pulse/config.pa",
"-p",
"/Applications/x2goclient.app/Contents/Frameworks/pulse-13.0/modules",
"--high-priority", "--log-level=debug", "--verbose",
"--log-target=file:/Users/rkudyba/.x2go/pulse/pulse.log") - waiting for it
to finish...
x2go-DEBUG-../src/onmainwindow.cpp:2752> Creating QPixmap with session
icon: '":/img/icons/128x128/x2gosession.png"'.
x2go-DEBUG-../src/onmainwindow.cpp:6771> Setting focus.
x2go-INFO-8> "Starting connection to server: ourdomain.edu:22"
x2go-DEBUG-../src/onmainwindow.cpp:2853> Starting new ssh connection to
server:"ourdomain.edu":"22" krbLogin: false
x2go-DEBUG-../src/sshmasterconnection.cpp:168> SshMasterConnection, host "
ourdomain.edu"; port 22; user "localguy"; 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(0x7fe92e5bcd00) created.
x2go-DEBUG-../src/sshmasterconnection.cpp:495> SshMasterConnection,
instance SshMasterConnection(0x7fe92e5bcd00) entering thread.
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:1218> Trying password mechanism
if available.
x2go-DEBUG-../src/sshmasterconnection.cpp:1222> Password mechanism
available. Continuing.
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(0x7fe92e6c1450) Running
masterCon->addChannelConnection(this, '
"8c7a9bb9-2997-40cc-95d8-fd196ab46804" ', ' "bash -l -c 'echo
"X2GODATABEGIN:8c7a9bb9-2997-40cc-95d8-fd196ab46804"; export
PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2golistsessions;
echo "X2GODATAEND:8c7a9bb9-2997-40cc-95d8-fd196a" ');
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:0x7fe92e5da590
x2go-DEBUG-../src/sshmasterconnection.cpp:2065> Executing remote: "bash -l
-c 'echo "X2GODATABEGIN:8c7a9bb9-2997-40cc-95d8-fd196ab46804"; export
PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; x2golistsessions;
echo "X2GODATAEND:8c7a9bb9-2997-40cc-95d8-fd196ab46804";'"
x2go-DEBUG-../src/sshmasterconnection.cpp:2082> New exec channel created.
x2go-DEBUG-../src/sshmasterconnection.cpp:2165> EOF on channel
0x7fe92e5da590; 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:8c7a9bb9-2997-40cc-95d8-fd196ab46804
DBIconnect('dbname=/var/lib/x2go/x2go_sessions','',...)failed:unabletoopendatabasefileat/usr/share/perl5/vendor_perl/X2Go/Server/DB/SQLite3.pmline66.
X2GODATAEND:8c7a9bb9-2997-40cc-95d8-fd196ab46804
"
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:4521> Executing remote command:
"X2GODPI=72 X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9
unix-kde-depth_32 us query 0 D MATE both"
x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via
SshProcess object 1: "X2GODPI=72 X2GO_XINERAMA=no x2gostartagent 800x600
adsl 16m-jpeg-9 unix-kde-depth_32 us query 0 D MATE both"
x2go-DEBUG-../src/sshprocess.cpp:213> this=SshProcess(0x7fe92e5f7ef0) Running
masterCon->addChannelConnection(this, '
"563c9735-72a3-44ce-a284-7519be6288bc" ', ' "bash -l -c 'echo
"X2GODATABEGIN:563c9735-72a3-44ce-a284-7519be6288bc"; export
PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; X2GODPI=72
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:0x7fe92e66ac60
x2go-DEBUG-../src/sshmasterconnection.cpp:2065> Executing remote: "bash -l
-c 'echo "X2GODATABEGIN:563c9735-72a3-44ce-a284-7519be6288bc"; export
PATH="/usr/local/bin:/usr/bin:/bin";export TERM="dumb"; X2GODPI=72
X2GO_XINERAMA=no x2gostartagent 800x600 adsl 16m-jpeg-9 unix-kde-depth_32
us query 0 D MATE both; echo
"X2GODATAEND:563c9735-72a3-44ce-a284-7519be6288bc";'"
x2go-DEBUG-../src/sshmasterconnection.cpp:2082> New exec channel created.
x2go-DEBUG-../src/sshmasterconnection.cpp:2165> EOF on channel
0x7fe92e66ac60; 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:563c9735-72a3-44ce-a284-7519be6288bc
X2GODATAEND:563c9735-72a3-44ce-a284-7519be6288bc
"
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 (ourdomain.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 (ourserver.edu) and session name ().
"
2021-01-25 20:31:36.264 x2goclient[4934:264698] modalSession has been
exited prematurely - check for a reentrant call to endModalSession:
x2go-DEBUG-../src/onmainwindow.cpp:6771> Setting focus.
On Mon, Jan 25, 2021 at 5:49 PM Ulrich Sibiller <ulrich.sibil...@gmail.com>
wrote:
> Well, here's the code producing that output:
>
> typeset -i retry='0'
> typeset -i max_retry='10'
> typeset output=''
> for ((retry = 0; retry < max_retry; ++retry)); do
> typeset -i free_port="${X2GO_PORT}"
> if free_port="$("${X2GO_LIB_PATH}/x2gogetfreeport"
> "${current_host_name}" "${ss}" 'display' "${X2GO_PORT}")"; then
> X2GO_PORT="${free_port}"
>
> if [[ -n "${SHADREQ_USER}" ]]; then
>
> SESSION_NAME="${SHADREQ_USER}-${X2GO_PORT}-$(date '+%s')"
> else
> SESSION_NAME="${USER}-${X2GO_PORT}-$(date '+%s')"
> fi
> if [[ -n "${COLORDEPTH}" ]]; then
>
> SESSION_NAME="${SESSION_NAME}_st${SESSION_TYPE}${X2GO_CMD}_dp${COLORDEPTH}"
> SESSION_NAME="${SESSION_NAME//:/PP}"
> fi
>
> # sanitize session name
> SESSION_NAME="$(perl -pe 's/[^a-zA-Z0-9\.\_\-\@]//g'
> <<< "${SESSION_NAME}")"
>
> if [[ -n "${SHADREQ_USER}" ]]; then
> "${X2GO_LIB_PATH}/x2gosyslog" "${0}" 'debug'
> "initializing new shadow session with ID ${SESSION_NAME}"
>
> output="$("${X2GO_LIB_PATH}/x2goinsertshadowsession" "${X2GO_PORT}"
> "${current_host_name}" "${SESSION_NAME}" "${SHADREQ_USER}")"
> else
> "${X2GO_LIB_PATH}/x2gosyslog" "${0}" 'debug'
> "initializing new session with ID ${SESSION_NAME}"
> output="$("${X2GO_LIB_PATH}/x2goinsertsession"
> "${X2GO_PORT}" "${current_host_name}" "${SESSION_NAME}")"
> fi
>
> if [[ "${output}" = 'inserted' ]]; then
> break
> else
> "${X2GO_LIB_PATH}/x2gosyslog" "${0}" 'warning'
> "unable to insert display port into database. Retrying (run $((retry +
> 1)))."
> fi
> else
> "${X2GO_LIB_PATH}/x2gosyslog" "${0}" 'warning' "no
> free display number available, cannot start new session. Retrying (run
> $((retry + 1)))."
> fi
> done
>
> if [[ "${output}" != 'inserted' ]]; then
> typeset msg="Unable to find free display port or insert new
> session into database; parameters: port (${X2GO_PORT}), hostname
> (${current_host_name}) and session name (${SESSION_NAME})."
> "${X2GO_LIB_PATH}/x2gosyslog" "${0}" 'err' "${msg}"
>
> # Make x2goclient fail.
> echo "${msg}" >&2
> exit '10'
> fi
>
>
> This boils down to
>
> for ((retry = 0; retry < max_retry; ++retry)); do
> typeset -i free_port="${X2GO_PORT}"
> if free_port="$("${X2GO_LIB_PATH}/x2gogetfreeport"
> "${current_host_name}" "${ss}" 'display' "${X2GO_PORT}")"; then
> ...
> else
> "${X2GO_LIB_PATH}/x2gosyslog" "${0}" 'warning' "no
> free display number available, cannot start new session. Retrying (run
> $((retry + 1)))."
> fi
> done
>
> -> as you can see x2gofreeport does not seem to report the port as
> free. You can try this manually:
>
> /usr/lib/x2go/x2gogetfreeport $(hostname) "$(which ss)" display 50
>
> If that will output a free port x2go should generally work. If not,
> you still have something running and blocking these ports. You can
> check with lsof -i :6050 and you will see who is blocking the first
> checked port.
>
> You can also run the x2gogefreeport with bash -x:
> bash -x /usr/lib/x2go/x2gogetfreeport $(hostname) "$(which ss)" display 50
>
> and see what going on.
>
> Hope that helps,
>
> Uli
>
>
>
>
> On Mon, Jan 25, 2021 at 8:50 PM Robert Kudyba <rkud...@fordham.edu> wrote:
> >
> > I posted a similar issue back in Nov, 2020 at
> https://www.mail-archive.com/x2go-dev@lists.x2go.org/msg06284.html
> >
> > rpm -qa|grep -i x2go
> > x2goclient-4.1.2.2-3.fc33.x86_64
> > x2goserver-common-4.1.0.3-9.fc33.noarch
> > perl-X2Go-Server-4.1.0.3-9.fc33.noarch
> > perl-X2Go-Log-4.1.0.3-9.fc33.noarch
> > perl-X2Go-Server-DB-4.1.0.3-9.fc33.x86_64
> > x2goagent-4.1.0.3-9.fc33.x86_64
> > x2goserver-xsession-4.1.0.3-9.fc33.noarch
> > x2goserver-4.1.0.3-9.fc33.x86_64
> >
> > nxagent -display :55
> > NXAGENT - Version 3.5.99.25
> >
> > Jan 25 14:14:29 pascal /usr/bin/x2gostartagent[39654]: no free display
> number available, cannot start new session. Retrying (run 1).
> > Jan 25 14:14:30 pascal /usr/bin/x2gostartagent[39663]: no free display
> number available, cannot start new session. Retrying (run 2).
> > Jan 25 14:14:30 pascal /usr/bin/x2gostartagent[39672]: no free display
> number available, cannot start new session. Retrying (run 3).
> > Jan 25 14:14:30 pascal /usr/bin/x2gostartagent[39681]: no free display
> number available, cannot start new session. Retrying (run 4).
> > Jan 25 14:14:30 pascal /usr/bin/x2gostartagent[39690]: no free display
> number available, cannot start new session. Retrying (run 5).
> > Jan 25 14:14:30 pascal /usr/bin/x2gostartagent[39699]: no free display
> number available, cannot start new session. Retrying (run 6).
> > Jan 25 14:14:30 pascal /usr/bin/x2gostartagent[39708]: no free display
> number available, cannot start new session. Retrying (run 7).
> > Jan 25 14:14:30 pascal /usr/bin/x2gostartagent[39717]: no free display
> number available, cannot start new session. Retrying (run 8).
> > Jan 25 14:14:31 pascal /usr/bin/x2gostartagent[39726]: no free display
> number available, cannot start new session. Retrying (run 9).
> > Jan 25 14:14:31 pascal /usr/bin/x2gostartagent[39736]: no free display
> number available, cannot start new session. Retrying (run 10).
> > Jan 25 14:14:31 pascal /usr/bin/x2gostartagent[39737]: Unable to find
> free display port or insert new session into database; parameters: port
> (50), hostname (pascal.dsm.fordham.edu) and session name ().
> > Jan 25 14:14:31 pascal kernel: kauditd_printk_skb: 21 callbacks
> suppressed
> >
> > Let me to
> https://unix.stackexchange.com/questions/467507/x2go-unable-to-find-free-display-port-or-insert-new-session-into-database
> so I ran x2godbadmin --createdb
> >
> > Then I tried with another use and got:
> > Connection failed.
> > /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 (oudomain.edu) and session name ().
> >
> > How does one start X2Go Windows with debug enabled? I only found for Mac
> you can add the --debug flag.
> >
> > My colleague also had this error:
> >
> >
> > XSession-x2go: X session started for moniot at Mon Jan 25 09:01:13 EST
> 2021
> > ** Message: 09:01:15.605: couldn't access control socket:
> /run/user/1200/keyring/control: No such file or directory
> > SSH_AUTH_SOCK=/run/user/1200/keyring/ssh
> >
> > ** (mate-settings-daemon:1436112): WARNING **: 09:01:16.172: Could not
> open RFKILL control device, please verify your installation
> > SSH_AUTH_SOCK=/run/user/1200/keyring/ssh
> > SSH_AUTH_SOCK=/run/user/1200/keyring/ssh
> > vmware-user: could not open /proc/fs/vmblock/dev
> > Error: /usr/bin/vmtoolsd must be run inside a virtual machine on a
> VMware hypervisor product.
> > SSH_AUTH_SOCK=/run/user/1200/keyring/ssh
> >
> > (caja:1436133): Gtk-WARNING **: 09:01:17.552: Failed to register client:
> GDBus.Error:org.gnome.SessionManager.AlreadyRegistered: Unable to register
> client
> > *** ERROR ***
> > TI:09:01:17 TH:0x56299587f960 FI:gpm-manager.c
> FN:gpm_manager_systemd_inhibit,1786
> > - Error in dbus - GDBus.Error:org.freedesktop.DBus.Error.AccessDenied:
> Permission denied
> > Traceback:
> > mate-power-manager(+0x1d474) [0x562995487474]
> > mate-power-manager(+0x136ab) [0x56299547d6ab]
> > /lib64/libgobject-2.0.so.0(g_type_create_instance+0x248)
> [0x7f04c0b72498]
> > /lib64/libgobject-2.0.so.0(+0x19205) [0x7f04c0b58205]
> > /lib64/libgobject-2.0.so.0(g_object_new_with_properties+0x1dd)
> [0x7f04c0b596ad]
> > /lib64/libgobject-2.0.so.0(g_object_new+0xc1) [0x7f04c0b5a331]
> > mate-power-manager(+0x15f16) [0x56299547ff16]
> > mate-power-manager(+0xb20a) [0x56299547520a]
> > /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f04c0708082]
> > mate-power-manager(+0xb58e) [0x56299547558e]
> > Failure: Module initialization failed
> > SELinux Troubleshooter: Applet requires SELinux be enabled to run
> > Initializing caja-open-terminal extension
> > Initializing caja-xattr-tags extension
> > Initializing caja-image-converter extension
> > ICE default IO error handler doing an exit(), pid = 1436318, errno = 32
> >
> > (mate-settings-daemon:1436112): GLib-GIO-WARNING **: 09:02:44.229: Error
> releasing name org.mate.SettingsDaemon.Rfkill: The connection is closed
> > [1611583276,000,xklavier.c:xkl_engine_start_listen/] The backend does
> not require manual layout management - but it is provided by the application
> >
> >
> >
>
_______________________________________________
x2go-dev mailing list
x2go-dev@lists.x2go.org
https://lists.x2go.org/listinfo/x2go-dev
