X2Go Bug report logs - #1376
Arithmetic exception error reading variable: Division by zero git20190114.1758

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Subject: Bug#1376: [X2Go-Dev] Bug#1376: Arithmetic exception error reading variable: Division by zero git20190114.1758
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From: Ulrich Sibiller <ulrich.sibiller@gmail.com>
Date: Wed, 27 Feb 2019 22:54:32 +0100
Message-ID: <CANVnVYLFHpU4KJaN-sFeGO_sJVZkc+ahRwHmhuagY+QPEVhjEw@mail.gmail.com>
To: Robert Kudyba <rkudyba@fordham.edu>, 1376@bugs.x2go.org
Cc: submit@bugs.x2go.org
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Ouch... What does setxkmap -query -v 10 show outside the session and
(if possible) inside the session?

BTW: I don't see why NIS users should make a difference here
BTW2: try to avoid NIS. Today I read RHEL8 will finally drop it.

Uli

On Wed, Feb 27, 2019 at 9:51 PM Robert Kudyba <rkudyba@fordham.edu> wrote:
>
> Package: x2goserver-4.1.0.4-0.0x2go1.0.git20190114.1758.heuler.fc29.x86_64
> nx-libs-3.5.99.18-0.0build1.0.git20190208.3237.heuler.fc29.x86_64
> Version: 4.1.0.4-0.0x2go1.0.git20190114.1758
>
> git20190114.1758: Program terminated with signal SIGFPE, Arithmetic exception error reading variable: Division by zero
>
> Using X2Go with MATE. NIS users are impacted, local users can still login.
>
> from /var/log/message:
>
> Feb 15 09:19:17 ourserver /usr/bin/x2gostartagent[591]: successfully
> started X2Go Agent session with ID agw-57-1550240355_stDMATE_dp32
> Feb 15 09:19:18 ourserver /usr/bin/x2goruncommand[1114]: launching session
> with Xsession-x2go mechanism, using STARTUP="mate-session"
> Feb 15 09:19:18 ourserver /usr/bin/x2goruncommand[1116]: dbus wrapper
> available as /usr/bin/dbus-run-session
> Feb 15 09:19:21 ourserver gnome-keyring-daemon[1362]: couldn't access
> control socket: /run/user/1201/keyring/control: No such file or directory
> Feb 15 09:19:21 ourserver mate-session[1126]: WARNING: keycode1 not existent
> Feb 15 09:19:21 ourserver mate-session[1126]: WARNING: keycode2 not existent
> Feb 15 09:19:21 ourserver systemd[1653]: Starting Sound Service...
> Feb 15 09:19:21 ourserver mate-session[1126]: WARNING: Could not launch
> application 'dropbox.desktop': Unable to start application: Failed to
> execute child process <E2><80><9C>dropbox<E2><80><9D> (No such file or
> directory)
> Feb 15 09:19:21 ourserver gnome-keyring-daemon[1362]: The SSH agent was
> already initialized
> Feb 15 09:19:21 ourserver gnome-keyring-daemon[1362]: The PKCS#11 component
> was already initialized
> Feb 15 09:19:22 ourserver gnome-keyring-daemon[1362]: The Secret Service
> was already initialized
> Feb 15 09:19:22 ourserver spice-vdagent[1504]: Cannot access vdagent virtio
> channel /dev/virtio-ports/com.redhat.spice.0
> Feb 15 09:19:22 ourserver dbus-daemon[842]: [system] Rejected send message,
> 2 matched rules; type="method_call", sender=":1.349276" (uid=1201 pid=1415
> comm="/usr/bin/pulseaudio --daemonize=no ")
> interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects"
> error name="(unset)" requested_reply="0" destination="org.bluez" (bus)
> Feb 15 09:19:22 ourserver dbus-daemon[842]: [system] Activating service
> name='org.freedesktop.problems' requested by ':1.349262' (uid=1201 pid=1490
> comm="abrt-applet --gapplication-service ") (using servicehelper)
> Feb 15 09:19:22 ourserver systemd[1653]: Started Sound Service.
> Feb 15 09:19:22 ourserver pulseaudio[1415]: E: [pulseaudio] bluez5-util.c:
> GetManagedObjects() failed: org.freedesktop.DBus.Error.AccessDenied:
> Rejected send message, 2 matched rules; type="method_call",
> sender=":1.349276" (uid=1201 pid=1415 comm="/usr/bin/pulseaudio
> --daemonize=no ") interface="org.freedesktop.DBus.ObjectManager"
> member="GetManagedObjects" error name="(unset)" requested_reply="0"
> destination="org.bluez" (bus)
> Feb 15 09:19:24 ourserver kernel: traps: x2goagent[576] trap divide error
> ip:55fdd31839fc sp:7fff211e8100 error:0 in nxagent[55fdd3095000+318000]
> Feb 15 09:19:25 ourserver systemd[1]: Started Process Core Dump (PID
> 1650/UID 0).
> Feb 15 09:19:25 ourserver pulseaudio[1415]: XIO:  fatal IO error 11
> (Resource temporarily unavailable) on X server ":57"
> Feb 15 09:19:25 ourserver pulseaudio[1415]:      after 18 requests (18
> known processed) with 0 events remaining.
> Feb 15 09:19:25 ourserver systemd[1653]: pulseaudio.service: Main process
> exited, code=exited, status=1/FAILURE
> Feb 15 09:19:25 ourserver systemd[1653]: pulseaudio.service: Failed with
> result 'exit-code'.
> Feb 15 09:19:25 ourserver mate-session[1126]: WARNING: Detected that
> screensaver has left the bus
> Feb 15 09:19:26 ourserver systemd[1653]: pulseaudio.service: Service
> RestartSec=100ms expired, scheduling restart.
> Feb 15 09:19:26 ourserver systemd[1653]: pulseaudio.service: Scheduled
> restart job, restart counter is at 1.
> Feb 15 09:19:26 ourserver systemd[1653]: Stopped Sound Service.
> Feb 15 09:19:26 ourserver systemd[1653]: Starting Sound Service...
> Feb 15 09:19:28 ourserver pulseaudio[1686]: W: [pulseaudio] pid.c: Stale
> PID file, overwriting.
> Feb 15 09:19:28 ourserver dbus-daemon[842]: [system] Rejected send message,
> 2 matched rules; type="method_call", sender=":1.349363" (uid=1201 pid=1686
> comm="/usr/bin/pulseaudio --daemonize=no ")
> interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects"
> error name="(unset)" requested_reply="0" destination="org.bluez" (bus)
> Feb 15 09:19:28 ourserver systemd-coredump[1651]: Process 576 (x2goagent)
> of user 1201 dumped core.#012#012Stack trace of thread 576:#012#0
> 0x000055fdd31839fc n/a (nxagent)#012#1  0x000055fdd3183ad5 n/a
> (nxagent)#012#2  0x000055fdd3179c66 n/a (nxagent)#012#3  0x000055fdd30b5cc8
> n/a (nxagent)#012#4  0x000055fdd3099821 n/a (nxagent)#012#5
> 0x00007f634ffa3413 __libc_start_main (libc.so.6)#012#6  0x000055fdd3099b5e
> n/a (nxagent)
> Feb 15 09:19:29 ourserver pulseaudio[1686]: E: [pulseaudio] bluez5-util.c:
> GetManagedObjects() failed: org.freedesktop.DBus.Error.AccessDenied:
> Rejected send message, 2 matched rules; type="method_call",
> sender=":1.349363" (uid=1201 pid=1686 comm="/usr/bin/pulseaudio
> --daemonize=no ") interface="org.freedesktop.DBus.ObjectManager"
> member="GetManagedObjects" error name="(unset)" requested_reply="0"
> destination="org.bluez" (bus)
>
> here's a backtrace:
> Core was generated by: x2goagent -nolisten tcp -nolisten tcp -dpi 96 -D
> -auth /path/to/.Xauthori'.
> Program terminated with signal SIGFPE, Arithmetic exception.
> #0  0x000055fdd31839fc in XkbAdjustGroup (group=<error reading variable:
> Division by zero>, ctrls=ctrls at entry=0x55fdd440cd00) at xkbUtils.c:688
> 688     xkbUtils.c: No such file or directory.
> (gdb) bt full
> #0  0x000055fdd31839fc in XkbAdjustGroup (group=<error reading variable:
> Division by zero>, ctrls=ctrls at entry=0x55fdd440cd00) at xkbUtils.c:688
>         act = 0
> #1  0x000055fdd3183ad5 in XkbComputeDerivedState (xkbi=0x55fdd4422100) at
> xkbUtils.c:714
>         state = 0x55fdd4422112
>         ctrls = 0x55fdd440cd00
>         grp = <optimized out>
> #2  0x000055fdd3179c66 in ProcXkbLatchLockState (client=0x55fdd47b2930) at
> xkb.c:560
>         status = <optimized out>
>         dev = 0x55fdd43d8870
>         oldState = {group = 0 '\000', locked_group = 0 '\000', base_group =
> 0, latched_group = 0, mods = 0 '\000', base_mods = 0 '\000', latched_mods =
> 0 '\000', locked_mods = 0 '\000',
>           compat_state = 0 '\000', grab_mods = 0 '\000', compat_grab_mods =
> 0 '\000', lookup_mods = 0 '\000', compat_lookup_mods = 0 '\000',
> ptr_buttons = 0}
>         newState = 0x55fdd4422112
>         changed = <optimized out>
>         stuff = <optimized out>
> #3  0x000055fdd30b5cc8 in Dispatch () at NXdispatch.c:482
>         clientReady = 0x55fdd44064a0
>         result = <optimized out>
>         client = 0x55fdd47b2930
>         nready = <optimized out>
>         icheck = 0x55fdd34e36d0 <checkForInput>
>         start_tick = 0
>         currentDispatch = <optimized out>
> #4  0x000055fdd3099821 in main (argc=15, argv=0x7fff211e8358,
> envp=<optimized out>) at main.c:353
>         i = <optimized out>
>         xauthfile = <optimized out>
>         alwaysCheckForInput = {0, 1}
>
> xsession error log, from a later attempt:
> mate-session[16641]: WARNING: keycode1 not existent
> mate-session[16641]: WARNING: keycode2 not existent
> Window manager warning: Missing composite extension required for compositingmate-session[16641]: WARNING: Could not launch application 'dropbox.desktop': Unable to start application: Failed to execute child process “dropbox†(No such file or directory)
> Geolocation service not in use
> SSH_AUTH_SOCK=/run/user/1201/keyring/ssh
> Failure: Module initialization failed
> SSH_AUTH_SOCK=/run/user/1201/keyring/ssh
> SSH_AUTH_SOCK=/run/user/1201/keyring/ssh
> Gdk-Message: 09:03:57.940: marco: Fatal IO error 11 (Resource temporarily unavailable) on X server :57.
>
> Gdk-Message: 09:03:57.941: mate-settings-daemon: Fatal IO error 2 (No such file or directory) on X server :57.
>
> Unable to init server: Could not connect: Connection refused
>
> (polkit-mate-authentication-agent-1:16978): Gtk-WARNING **: 09:03:57.941: cannot open display: :57
> Gdk-Message: 09:03:57.944: mate-volume-control-applet: Fatal IO error 11 (Resource temporarily unavailable) on X server :57.
>
> Unable to init server: Could not connect: Connection refused
>
> (nm-applet:16974): Gtk-WARNING **: 09:03:57.945: cannot open display: :57
> Unable to init server: Could not connect: Connection refused
>
> (mate-power-manager:17041): Gtk-WARNING **: 09:03:59.505: cannot open display: :57
> Unable to init server: Could not connect: Connection refused
> Unable to init server: Could not connect: Connection refused
> vmware-user: could not open /proc/fs/vmblock/dev
> Gdk-Message: 09:04:02.022: caja: Fatal IO error 2 (No such file or directory) on X server :57.
>
> Gdk-Message: 09:04:02.022: mate-session: Fatal IO error 2 (No such file or directory) on X server :57.
>
>
> ** (mate-screensaver:16949): WARNING **: 09:04:02.031: Couldn't get presence status: Message recipient disconnected from message bus without replying
> Gdk-Message: 09:04:02.033: mate-screensaver: Fatal IO error 11 (Resource temporarily unavailable) on X server :57.
>
>
> ** (zeitgeist-datahub:17050): CRITICAL **: 09:04:02.040: log.vala:102: Unable to connect to Zeitgeist: Error calling StartServiceByName for org.gnome.zeitgeist.Engine: The connection is closed
> Error creating proxy: Error calling StartServiceByName for org.gtk.vfs.GoaVolumeMonitor: The connection is closed (g-io-error-quark, 18)
>
> (mate-panel:16883): GLib-GIO-CRITICAL **: 09:04:02.041: Error while sending AddMatch() message: The connection is closed
> Error creating proxy: Error calling StartServiceByName for org.gtk.vfs.MTPVolumeMonitor: The connection is closed (g-io-error-quark, 18)
>
> (mate-panel:16883): GLib-GIO-CRITICAL **: 09:04:02.042: Error while sending AddMatch() message: The connection is closed
> Error creating proxy: Error calling StartServiceByName for org.gtk.vfs.GPhoto2VolumeMonitor: The connection is closed (g-io-error-quark, 18)
>
> (mate-panel:16883): GLib-GIO-CRITICAL **: 09:04:02.042: Error while sending AddMatch() message: The connection is closed
> Error creating proxy: Error calling StartServiceByName for org.gtk.vfs.AfcVolumeMonitor: The connection is closed (g-io-error-quark, 18)
>
> (mate-panel:16883): GLib-GIO-CRITICAL **: 09:04:02.043: Error while sending AddMatch() message: The connection is closed
> Error creating proxy: Error calling StartServiceByName for org.gtk.vfs.Daemon: The connection is closed (g-io-error-quark, 18)
> Gdk-Message: 09:04:02.376: mate-panel: Fatal IO error 2 (No such file or directory) on X server :57.
>
> SELinux Troubleshooter: Applet requires SELinux be enabled to run
> Unable to init server: Could not connect: Connection refused
> Unable to init server: Could not connect: Connection refused
> Unable to init server: Could not connect: Connection refused
> Unable to init server: Could not connect: Connection refused
>
> ** (blueberry-obex-agent.py:16947): CRITICAL **: 09:04:05.296: Failed to get connection to xfconfd: Could not connect: Connection refused
> Traceback (most recent call last):
>   File "/usr/bin/dnfdragora-updater", line 32, in <module>
>     import dnfdaemon.client
>   File "/usr/lib/python3.7/site-packages/dnfdaemon/client/__init__.py", line 192, in <module>
>     session = DBus(Gio.bus_get_sync(Gio.BusType.SESSION, None))
> gi.repository.GLib.Error: g-io-error-quark: Could not connect: Connection refused (39)
> Unable to init server: Could not connect: Connection refused
>
> (blueberry-tray.py:17042): Gtk-WARNING **: 09:04:05.610: cannot open display: :57
> Unable to init server: Could not connect: Connection refused
>
> (evolution-alarm-notify:17015): Gtk-WARNING **: 09:04:06.303: cannot open display: :57
>
> (vmware-user:17085): Gtk-WARNING **: 09:04:07.405: cannot open display: :57
>
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