From rkudyba@fordham.edu Tue Feb 20 16:46:52 2018 Received: (at submit) by bugs.x2go.org; 20 Feb 2018 15:46:55 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HTML_MESSAGE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.1 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 6156E5DAEA for ; Tue, 20 Feb 2018 16:46:52 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3YPADWVChOow for ; Tue, 20 Feb 2018 16:46:47 +0100 (CET) Received: from mail-io0-x230.google.com (mail-io0-x230.google.com [IPv6:2607:f8b0:4001:c06::230]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 9EC4C5DACB for ; Tue, 20 Feb 2018 16:46:46 +0100 (CET) Received: by mail-io0-x230.google.com with SMTP id t126so15351963iof.4 for ; Tue, 20 Feb 2018 07:46:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fordham-edu.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=r0KCeO9hUgSDHQL+uxJ1lprjA7JJ1agms4xYmSEGB8U=; b=kSHUBAt/dgmIrsM9KY9QmkNoiGgU8ikYwZ3S24Z0xyWYO2Gg+8e9rCHrvqDinsRG0O yeLhqBguLo6f09Rv69KwPkAP71xCwT5QDyLGwE8rYiruyS3UHfEghPvYjjqk1bnCuzLi zVI+8R6VclRCmRm9YwNzfwzxHySGqe1p/P2BeqaD2Izn96sIWG4Knd4t7s/8SxPNXMw5 msVUYJ/QqYOccV/zSYVYHZaVtBUqN2C21keajB4xU/e9hb9OygswnM1ndkrXbLlPbQux nee+6YoMrFnqSTkYMSf4CztQyagEOwZPLgQBK5FQ32/q1R85qw8+hByNspfQQJdlBwHL nxxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=r0KCeO9hUgSDHQL+uxJ1lprjA7JJ1agms4xYmSEGB8U=; b=iNtadFbyNZ5pR15IegifEYq52SLqV/gz3ycSZcUEvH231rdbwdfpl/XaMg6S91/zaR M1IaXuJ5fKJuLcIsShQ33dIjXnVIUakeXiGHoD0XQXPBN2qZgpEF33PxVGWjcTZTphfM 3P8fJmmHP6br4Zc2k9cTWpnl2yydDZKQK0InlTqhbTFdmVARKyd/n6eyb5y7+RbL1/9c W88uUiP9d399GQXs0j25UvX0N+Cbd8CN8pjvCj9TmAs2eRbIoNCldCus+I3KkPOgDKNM Y7T1YAbOrWebaCroNT9yw9kalajkVhOlEbV1POgN1cKGN9DYmdJRkig5T0Hn0srlKW2p YrMw== X-Gm-Message-State: APf1xPC7eLaw3ZQO4mfF30zBVWZV8nJ3H7h4MhXQ8YC1ztIps4CpZB1Z Csz3KEP6nQuS0m5t6jhxdGeK37w7kR05O21O7oe0NwdY X-Google-Smtp-Source: AH8x225rC6OTqbHv5rBuTqbxtdDmF867SCpvvhq5rLD/DFV2ByjY0Ssda6tvOpYTGeFCvTFJLpCBL18+a1FxNMJylF8= X-Received: by 10.107.157.146 with SMTP id g140mr80523ioe.5.1519141603930; Tue, 20 Feb 2018 07:46:43 -0800 (PST) MIME-Version: 1.0 Received: by 10.2.164.1 with HTTP; Tue, 20 Feb 2018 07:46:43 -0800 (PST) From: Robert Kudyba Date: Tue, 20 Feb 2018 10:46:43 -0500 Message-ID: Subject: high CPU usage with Fedora 27 and users that disconnect, Caja and Mate crash/coredump To: submit@bugs.x2go.org Content-Type: multipart/alternative; boundary="001a11409824aa922a0565a6b76e" --001a11409824aa922a0565a6b76e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Package: x2goserver-4.1.0.1-0.0x2go1.0.git20180218.1532.heuler.fc27.x86_64 Version: 4.1.0.1-0 We experience a high load after users disconnect. The logs the follow below indicate that Caja and Mate crash. I have uploaded core files to: 1) Mate: http://storm.cis.fordham.edu/~rkudyba/core.mate-notificati.6675.6ecbb92662c= 74928aaa33397e2281f5d.13324.1519094587000000.lz4 2) Caja http://storm.cis.fordham.edu/~rkudyba/ core.caja.6675.6ecbb92662c74928aaa33397e2281f5d.11928.1519007933000000.lz4 Here is the server load with just 1 X2Go suspended user session: 2 users, load average: 3.74, 4.95, 5.18 Here are some of his processes: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 11914 ouruser 20 0 20.488g 0.018t 7116 R 90.7 80.5 1542:41 mate-panel 11624 ouruser 20 0 48564 3812 2960 S 0.3 0.0 18:55.56 dbus-daemon 11932 ouruser 20 0 601340 8040 5768 S 0.3 0.0 22:01.75 wnck-applet 12338 ouruser 20 0 591444 6180 5436 S 0.3 0.0 7:40.26 notification-ar Here is a ps: ps -auwx | grep x2go root 8749 0.1 0.0 183668 11428 ? S Feb19 3:01 /usr/bin/perl /usr/sbin/x2gocleansessions root 11516 0.0 0.0 115996 1024 pts/0 S+ 09:48 0:00 grep --color=3Dauto x2go ouruser 11518 0.0 0.0 116572 2720 ? Ss Feb18 0:00 /bin/bash /usr/bin/x2goruncommand 327 11426 ouruser-327-1519007899_stDMATE_dp32 59504 mate-session nosnd D ouruser 11623 0.0 0.0 32340 1096 ? S Feb18 0:00 /usr/bin/dbus-run-session /etc/x2go/Xsession And a systemctl status x2goserver =E2=97=8F x2goserver.service - X2Go Server Daemon Loaded: loaded (/usr/lib/systemd/system/x2goserver.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2018-02-19 02:16:54 EST; 1 day 7h ago Main PID: 8749 (x2gocleansessio) Tasks: 1 (limit: 4915) Memory: 15.5M CPU: 6h 42min 49.407s CGroup: /system.slice/x2goserver.service =E2=94=94=E2=94=808749 /usr/bin/perl /usr/sbin/x2gocleansessions Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable. rpm -q x2goserver x2goserver-4.1.0.1-0.0x2go1.0.git20180218.1532.heuler.fc27.x86_64 Logs at the time the user logs in and disconnects: Feb 18 21:38:15 ourserver systemd[1]: Started User Manager for UID 6675. Feb 18 21:38:21 ourserver /usr/sbin/x2gocleansessions[30526]: ouruser-327-1519007899_stDMATE_dp32: state file for this s ession does not exist: /tmp/.x2go-ouruser/C-ouruser-327-1519007899_stDMATE_dp32/state (this can be ignored during s ession startups) Feb 18 21:38:23 ourserver /usr/bin/x2gostartagent[11435]: successfully started X2Go Agent session with ID ouruser-327-15 19007899_stDMATE_dp32 Feb 18 21:38:26 ourserver /usr/bin/x2gosetkeyboard[11597]: Setting X keyboard according to /u/ourserver/csga/ouruser/.x2go/C -ouruser-327-1519007899_stDMATE_dp32/keyboard Feb 18 21:38:26 ourserver /usr/bin/x2goruncommand[11617]: launching session with Xsession-x2go mechanism, using STARTUP=3D" mate-session" Feb 18 21:38:26 ourserver /usr/bin/x2goruncommand[11618]: dbus wrapper available as /usr/bin/dbus-run-session Feb 18 21:38:27 ourserver baloo_file[17852]: QObject::connect: invalid null parameter Feb 18 21:38:28 ourserver baloo_file[18750]: QObject::connect: invalid null parameter Feb 18 21:38:28 ourserver baloo_file[5557]: QObject::connect: invalid null parameter Feb 18 21:38:28 ourserver baloo_file[3418]: QObject::connect: invalid null parameter Feb 18 21:38:31 ourserver gnome-keyring-daemon[11896]: couldn't access control socket: /run/user/6675/keyring/control: No such file or directory Feb 18 21:38:31 ourserver mate-session[11631]: WARNING: GSIdleMonitor: IDLETIME counter not found Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITICAL: object GSIdleMonitor 0x7f73040054d0 finalized while still in-construction Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITICAL: Custom constructor for class GSIdleMonitor returned NULL (which is invalid). Please use GInitable instead. Feb 18 21:38:36 ourserver gnome-keyring-daemon[11896]: The Secret Service was already initialized Feb 18 21:38:36 ourserver spice-vdagent[11943]: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0 Feb 18 21:38:37 ourserver gnome-keyring-daemon[11896]: The SSH agent was already initialized Feb 18 21:38:37 ourserver pulseaudio[12014]: [pulseaudio] core-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pul= se-client.conf': No such file or directory Feb 18 21:38:37 ourserver pulseaudio[11975]: [pulseaudio] core-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pul= se-client.conf': No such file or directory Feb 18 21:38:38 ourserver dbus-daemon[892]: [system] Activating service name=3D'org.freedesktop.problems' requested by ':1.14085' (uid=3D6675 pid= =3D12070 comm=3D"abrt-applet ") (using servicehelper) Feb 18 21:38:38 ourserver dbus-daemon[892]: [system] Successfully activated service 'org.freedesktop.problems' Feb 18 21:38:39 ourserver pulseaudio[12159]: [pulseaudio] core-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pul= se-client.conf': No such file or directory Feb 18 21:38:39 ourserver dbus-daemon[892]: [system] Rejected send message, 2 matched rules; type=3D"method_call", sender=3D":1.14100" (uid=3D6675 pid= =3D12088 comm=3D"/usr/bin/pulseaudio --start --log-target=3Dsyslog ") interface=3D"org.freedesktop.DBus.ObjectManager" member=3D"GetManagedObject= s" error name=3D"(unset)" requested_reply=3D"0" destination=3D"org.bluez" (bus= ) Feb 18 21:38:39 ourserver gnome-keyring-daemon[11896]: The PKCS#11 component was already initialized Feb 18 21:38:40 ourserver pulseaudio[12088]: [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DBus.Error.AccessDenied: Rejected send message, 2 matched rules; type=3D"method_call", sender=3D":1.14100" (uid=3D6675 pid=3D12088 comm=3D"/usr/bin/pulseaudio --s= tart --log-target=3Dsyslog ") interface=3D"org.freedesktop.DBus.ObjectManager" member=3D"GetManagedObjects" error name=3D"(unset)" requested_reply=3D"0" destination=3D"org.bluez" (bus) Feb 18 21:38:41 ourserver caja[11928]: [N-A] Caja-Actions Tracker 1.8.3 initializing... Feb 18 21:38:41 ourserver pulseaudio[12200]: [pulseaudio] pid.c: Daemon already running. Feb 18 21:38:41 ourserver caja[11928]: [N-A] Caja-Actions Menu Extender 1.8.3 initializing... Feb 18 21:38:41 ourserver pulseaudio[12227]: [pulseaudio] pid.c: Daemon already running. Feb 18 21:38:41 ourserver dbus-daemon[892]: [system] Activating via systemd: service name=3D'org.bluez' unit=3D'dbus-org.bluez.service' request= ed by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D"python3 /bin/blueman-applet "= ) Feb 18 21:38:41 ourserver dbus-daemon[892]: [system] Activating via systemd: service name=3D'org.bluez' unit=3D'dbus-org.blue z.service' requested by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D"python3 /bin/blueman-applet ") Feb 18 21:38:41 ourserver systemd[1]: /usr/lib/systemd/system/bluetooth.service:22: Not an absolute path, ignoring: @stat edir@ Feb 18 21:38:41 ourserver systemd[1]: /usr/lib/systemd/system/bluetooth.service:23: Not an absolute path, ignoring: @conf dir@ Feb 18 21:38:43 ourserver dbus-daemon[892]: [system] Activating via systemd: service name=3D'org.baseurl.DnfSystem' unit=3D'd nfdaemon.service' requested by ':1.14084' (uid=3D6675 pid=3D11942 comm=3D"p= ython3 /bin/dnfdragora-updater ") Feb 18 21:38:43 ourserver systemd[1]: Starting Package management dnf daemon... Feb 18 21:38:43 ourserver dbus-daemon[892]: [system] Successfully activated service 'org.baseurl.DnfSystem' Feb 18 21:38:43 ourserver systemd[1]: Started Package management dnf daemon= . Feb 18 21:38:53 ourserver kernel: traps: caja[11928] trap int3 ip:7fbd51c6a771 sp:7fff3feea110 error:0 in libglib-2.0.so. 0.5400.3[7fbd51c1a000+111000] Feb 18 21:38:54 ourserver systemd[1]: Started Process Core Dump (PID 12386/UID 0). Feb 18 21:38:54 ourserver caja[12395]: [N-A] Caja-Actions Tracker 1.8.3 initializing... Feb 18 21:38:54 ourserver caja[12395]: [N-A] Caja-Actions Menu Extender 1.8.3 initializing... Feb 18 21:39:01 ourserver systemd-coredump[12387]: Process 11928 (caja) of user 6675 dumped core.#012#012Stack trace of t hread 11928:#012#0 0x00007fbd51c6a771 _g_log_abort (libglib-2.0.so.0)#012#1 0x00007fbd51c6cda1 g_log_writer_default (libglib-2.0.so.0)#012#2 0x00007fbd51c6b30e g_log_structured_array (libglib-2.0.so.0)#012#3 0x00007fbd51c6b607 g_log_structured (libglib-2.0.so.0)#012#4 0x00007fbd5334c1e1 _gdk_x11_display_error_event (libgdk-3.so.0)#012#5 0x00007fbd53359783 gdk_x_error (libgdk-3.so.0)#012#6 0x00007fbd51921e3a _XError (libX11.so.6)#012#7 0x00007fbd5191ed6b handle_error (libX11.so.6)#012#8 0x00007fbd5191ee15 handle_response (libX11.so.6)#012#9 0x00007fbd5191f745 _XEventsQueued (libX11.so.6)#012#10 0x00007fbd51911240 XEventsQueued (libX11.so.6)#012#11 0x00007fbd527e6252 _cairo_xlib_shm_su0x00007fbd527e70fc _cairo_xlib_surface_create_similar_shm (libcairo.so.2)#012#14 0x00007fbd527b3f13 cairo_surface_create_similar_image (libcairo.so.2)#012#15 0x00007fbd53317e4c gdk_cairo_set_source_pixbuf (libgdk-3.so.0)#012#16 0x00007fbd54885c22 mate_bg_create_surface (libmate-desktop-2.so.17)#012#17 0x0000559937d3d24a eel_background_ensure_realized (caja)#012#18 0x0000559937d3d3c8 eel_background_set_up_widget (caja)#012#19 0x0000559937d3d57e background_changed_cb (caja)#012#20 0x00007fbd51c61577 g_idle_dispatch (libglib-2.0.so.0)#012#21 0x00007fbd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#22 0x00007fbd51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#23 0x00007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#24 0x00007fbd52221cad g_application_run (libgio-2.0.so.0)#012#25 0x0000559937c5f500 main (caja)#012#26 0x00007fbd5056e00a __libc_start_main (libc.so.6)#012#27 0x0000559937c5f57a _start (caja)#012#012Stack trace of thread 12181:#012#0 0x00007fbd5226759f g_file_monitor_source_handle_event (libgio-2.0.so.0)#012#1 0x00007fbd5229393e ih_event_callback (libgio-2.0.so.0)#012#2 0x00007fbd52292d09 ip_event_dispatch.part.4 (libgio-2.0.so.0)#012#3 0x00007fbd52292f4e ip_event_callback (libgio-2.0.so.0)#012#4 0x00007fbd5229229a ik_source_dispatch (libgio-2.0.so.0)#012#5 0x00007fbd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#6 0x00007fbd51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#7 0x00007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#8 0x00007fbd51c64ff1 glib_worker_main (libglib-2.0.so.0)#012#9 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#10 0x00007fbd5093761b start_thread (libpthread.so.0)#012#11 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread 12192:#012#0 0x00007fbd506583db __poll (libc.so.6)#012#1 0x00007fbd51c64e99 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#2 0x00007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#3 0x00007fbd4079442d dconf_gdbus_worker_thread (libdconfsettings.so)#012#4 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread 12370:#012#0 0x00007fbd5065ebf9 syscall (libc.so.6)#012#1 0x00007fbd51caa62a g_cond_wait_until (libglib-2.0.so.0)#012#2 0x00007fbd51c39381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)#012#3 0x00007fbd51c8ce24 g_thread_pool_thread_proxy (libglib-2.0.so.0)#012#4 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread 12182:#012#0 0x00007fbd506583db __poll (libc.so.6)#012#1 0x00007fbd51c64e99 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#2 0x00007fbd51c65232 g_main_loop_run (libglib-2.0.so.0)#012#3 0x00007fbd5224db56 gdbus_shared_thread_func (libgio-2.0.so.0)#012#4 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6 0x00007fbd5066498f __clone (libc.so.6) Feb 18 21:39:04 ourserver baloo_file[3418]: QObject::connect: invalid null parameter Feb 18 21:39:04 ourserver baloo_file[5557]: QObject::connect: invalid null parameter Feb 18 21:39:05 ourserver baloo_file[18750]: QObject::connect: invalid null parameter Feb 18 21:39:05 ourserver baloo_file[17852]: QObject::connect: invalid null parameter Feb 18 21:39:06 ourserver dbus-daemon[892]: [system] Failed to activate service 'org.bluez': timed out (service_start_timeout=3D25000ms) Feb 18 21:39:08 ourserver python3[12179]: detected unhandled Python exception in '/bin/blueman-applet' Feb 18 21:39:21 ourserver dbus-daemon[892]: [system] Activating service name=3D'org.mate.SettingsDaemon.DateTimeMechanism' requested by ':1.14131' (uid=3D6675 pid=3D12336 comm=3D"/usr/libexec/mate-panel/clock-applet ") (us= ing servicehelper) Feb 18 21:39:21 ourserver dbus-daemon[892]: [system] Successfully activated service 'org.mate.SettingsDaemon.DateTimeMechanism' Feb 18 21:39:36 ourserver abrt-notification[12723]: Process 11928 (caja) crashed in gdk_x_error() Feb 18 21:39:36 ourserver abrt-server[12509]: Deleting problem directory Python3-2018-02-18-21:39:08-12179 (dup of Python3-2018-02-15-18:40:16-3479) Feb 18 21:39:37 ourserver abrt-notification[12735]: Process 3479 (blueman-applet) of user 6675 encountered an uncaught GLib.GError exception Feb 18 21:41:02 ourserver automount[31776]: add_host_addrs: hostname lookup failed: No address associated with hostname Feb 18 21:41:43 ourserver PackageKit[15297]: search-file transaction /12276_bcdacbee from uid 6675 finished with success after 408ms Feb 18 21:45:50 ourserver baloo_file[5557]: QObject::connect: invalid null parameter Feb 18 21:45:51 ourserver baloo_file[17852]: QObject::connect: invalid null parameter Feb 18 21:45:51 ourserver baloo_file[3418]: QObject::connect: invalid null parameter Feb 18 21:45:51 ourserver baloo_file[18750]: QObject::connect: invalid null parameter Feb 18 21:46:01 ourserver /usr/bin/x2gosuspend-session[14346]: session with ID ouruser-327-1519007899_stDMATE_dp32 has been suspended successfully Feb 18 21:46:02 ourserver systemd-logind[1945]: Removed session 4273. Feb 18 21:46:02 ourserver systemd[1]: Stopping User Manager for UID 6675... I figured I'd include what I could get from a gdb on the Mate core file: warning: core file may not match specified executable file. Reading symbols from /usr/libexec/mate-notification-daemon...Reading symbols from /usr/lib/debug/usr/libexec/mate-notification-daemon-1.19.1-1.fc27.x86_64.de= bug...done. done. warning: Ignoring non-absolute filename: Missing separate debuginfo for linux-vdso.so.1 Try: dnf --enablerepo=3D'*debug*' install /usr/lib/debug/.build-id/34/aef3552ea0558533a32c64cecbea32c5a96c52 Missing separate debuginfo for /lib64/libwayland-egl.so.1 Try: dnf --enablerepo=3D'*debug*' install /usr/lib/debug/.build-id/34/03db48ea562a74e13d645554fe90b7cbdb138f warning: .dynamic section for "/lib64/libwayland-egl.so.1" is not at the expected address (wrong library or version mismatch?) [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/usr/libexec/mate-notification-daemon'. Program terminated with signal SIGTRAP, Trace/breakpoint trap. #0 _g_log_abort (breakpoint=3Dbreakpoint@entry=3D1) at gmessages.c:554 554 } --001a11409824aa922a0565a6b76e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Package: x2goserver-4.1.0.1-0.0x2go1.0.git20180218.15= 32.heuler.fc27.x86_64
Version: 4.1.= 0.1-0

We experience a high load after users= disconnect. The logs the follow below indicate that Caja and Mate crash. I= have uploaded core files to:=C2=A0
2) Caja=C2=A0http://storm.cis.fordham.e= du/~rkudyba/core.caja.6675.6ecbb92662c74928aaa33397e2281f5d.1192= 8.1519007933000000.lz4


Here is= the server load with just 1 X2Go suspended user session:
2 users= ,=C2=A0 load average: 3.74, 4.95, 5.18

Here are so= me of his processes:
=C2=A0 PID USER=C2=A0 =C2=A0 =C2=A0 PR=C2=A0= NI=C2=A0 =C2=A0 VIRT=C2=A0 =C2=A0 RES=C2=A0 =C2=A0 SHR S=C2=A0 %CPU %MEM= =C2=A0 =C2=A0 =C2=A0TIME+ COMMAND=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0
11914 ouruser
= =C2=A0 20=C2=A0 =C2=A00 20.488g 0.018t=C2=A0 =C2=A07116 R=C2=A0 90.7 80.5= =C2=A0 =C2=A01542:41 mate-panel=C2=A0=C2=A0
11624 ouruser=C2=A0 2= 0=C2=A0 =C2=A00=C2=A0 =C2=A048564=C2=A0 =C2=A03812=C2=A0 =C2=A02960 S=C2=A0= =C2=A00.3=C2=A0 0.0=C2=A0 18:55.56 dbus-daemon=C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0
11932 ouruser=C2=A0 20=C2=A0 =C2=A00=C2=A0 601340=C2= =A0 =C2=A08040=C2=A0 =C2=A05768 S=C2=A0 =C2=A00.3=C2=A0 0.0=C2=A0 22:01.75 = wnck-applet=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0=
12338 ouruser=C2=A0 20=C2=A0 =C2=A00=C2=A0 591444=C2=A0 =C2=A061= 80=C2=A0 =C2=A05436 S=C2=A0 =C2=A00.3=C2=A0 0.0=C2=A0 =C2=A07:40.26 notific= ation-ar=C2=A0

Here is a ps:
ps -auwx | = grep x2go
root=C2=A0 =C2=A0 =C2=A0 8749=C2=A0 0.1=C2=A0 0.0 18366= 8 11428 ?=C2=A0 =C2=A0 =C2=A0 =C2=A0 S=C2=A0 =C2=A0 Feb19=C2=A0 =C2=A03:01 = /usr/bin/perl /usr/sbin/x2gocleansessions
root=C2=A0 =C2=A0 =C2= =A011516=C2=A0 0.0=C2=A0 0.0 115996=C2=A0 1024 pts/0=C2=A0 =C2=A0 S+=C2=A0 = =C2=A009:48=C2=A0 =C2=A00:00 grep --color=3Dauto x2go
ouruser 115= 18=C2=A0 0.0=C2=A0 0.0 116572=C2=A0 2720 ?=C2=A0 =C2=A0 =C2=A0 =C2=A0 Ss=C2= =A0 =C2=A0Feb18=C2=A0 =C2=A00:00 /bin/bash /usr/bin/x2goruncommand 327 1142= 6 ouruser-327-1519007899_stDMATE_dp32 59504 mate-session nosnd D
= ouruser 11623=C2=A0 0.0=C2=A0 0.0=C2=A0 32340=C2=A0 1096 ?=C2=A0 =C2=A0 =C2= =A0 =C2=A0 S=C2=A0 =C2=A0 Feb18=C2=A0 =C2=A00:00 /usr/bin/dbus-run-session = /etc/x2go/Xsession

And a systemctl status x2goserv= er
=E2=97=8F x2goserver.service - X2Go Server Daemon
= =C2=A0 =C2=A0Loaded: loaded (/usr/lib/systemd/system/x2goserver.service; en= abled; vendor preset: disabled)
=C2=A0 =C2=A0Active: active (runn= ing) since Mon 2018-02-19 02:16:54 EST; 1 day 7h ago
=C2=A0Main P= ID: 8749 (x2gocleansessio)
=C2=A0 =C2=A0 Tasks: 1 (limit: 4915)
=C2=A0 =C2=A0Memory: 15.5M
=C2=A0 =C2=A0 =C2=A0 CPU: 6h = 42min 49.407s
=C2=A0 =C2=A0CGroup: /system.slice/x2goserver.servi= ce
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=94=94=E2=94=80874= 9 /usr/bin/perl /usr/sbin/x2gocleansessions

Warnin= g: Journal has been rotated since unit was started. Log output is incomplet= e or unavailable.

rpm -q x2goserver
x2go= server-4.1.0.1-0.0x2go1.0.git20180218.1532.heuler.fc27.x86_64
Logs at the time the user logs in and disconnects:
Fe= b 18 21:38:15 ourserver systemd[1]: Started User Manager for UID 6675.
Feb 18 21:38:21 ourserver /usr/sbin/x2gocleansessions[30526]: ouruser= -327-1519007899_stDMATE_dp32: state file for this s
ession does n= ot exist: /tmp/.x2go-ouruser/C-ouruser-327-1519007899_stDMATE_dp32/state (t= his can be ignored during s
ession startups)
Feb 18 21:= 38:23 ourserver /usr/bin/x2gostartagent[11435]: successfully started X2Go A= gent session with ID ouruser-327-15
19007899_stDMATE_dp32
Feb 18 21:38:26 ourserver /usr/bin/x2gosetkeyboard[11597]: Setting X key= board according to /u/ourserver/csga/ouruser/.x2go/C
-ouruser-327= -1519007899_stDMATE_dp32/keyboard
Feb 18 21:38:26 ourserver /usr/= bin/x2goruncommand[11617]: launching session with Xsession-x2go mechanism, = using STARTUP=3D"
mate-session"
Feb 18 21:38:= 26 ourserver /usr/bin/x2goruncommand[11618]: dbus wrapper available as /usr= /bin/dbus-run-session
Feb 18 21:38:27 ourserver baloo_file[17852]= : QObject::connect: invalid null parameter
Feb 18 21:38:28 ourser= ver baloo_file[18750]: QObject::connect: invalid null parameter
F= eb 18 21:38:28 ourserver baloo_file[5557]: QObject::connect: invalid null p= arameter
Feb 18 21:38:28 ourserver baloo_file[3418]: QObject::con= nect: invalid null parameter
Feb 18 21:38:31 ourserver gnome-keyr= ing-daemon[11896]: couldn't access control socket: /run/user/6675/keyri= ng/control: No such file or directory
Feb 18 21:38:31 ourserver m= ate-session[11631]: WARNING: GSIdleMonitor: IDLETIME counter not found
Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITICAL:= object GSIdleMonitor 0x7f73040054d0 finalized while still in-construction<= /div>
Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITI= CAL: Custom constructor for class GSIdleMonitor returned NULL (which is inv= alid). Please use GInitable instead.
Feb 18 21:38:36 ourserver gn= ome-keyring-daemon[11896]: The Secret Service was already initialized
=
Feb 18 21:38:36 ourserver spice-vdagent[11943]: Cannot access vdagent = virtio channel /dev/virtio-ports/com.redhat.spice.0
Feb 18 21:38:= 37 ourserver gnome-keyring-daemon[11896]: The SSH agent was already initial= ized
Feb 18 21:38:37 ourserver pulseaudio[12014]: [pulseaudio] co= re-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser= /.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pulse-client.conf': No su= ch file or directory
Feb 18 21:38:37 ourserver pulseaudio[11975]:= [pulseaudio] core-util.c: Failed to open configuration file '/u/ourser= ver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pulse-client.= conf': No such file or directory
Feb 18 21:38:38 ourserver db= us-daemon[892]: [system] Activating service name=3D'org.freedesktop.pro= blems' requested by ':1.14085' (uid=3D6675 pid=3D12070 comm=3D&= quot;abrt-applet ") (using servicehelper)
Feb 18 21:38:38 ou= rserver dbus-daemon[892]: [system] Successfully activated service 'org.= freedesktop.problems'
Feb 18 21:38:39 ourserver pulseaudio[12= 159]: [pulseaudio] core-util.c: Failed to open configuration file '/u/o= urserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pulse-cl= ient.conf': No such file or directory
Feb 18 21:38:39 ourserv= er dbus-daemon[892]: [system] Rejected send message, 2 matched rules; type= =3D"method_call", sender=3D":1.14100" (uid=3D6675 pid= =3D12088 comm=3D"/usr/bin/pulseaudio --start --log-target=3Dsyslog &qu= ot;) interface=3D"org.freedesktop.DBus.ObjectManager" member=3D&q= uot;GetManagedObjects" error name=3D"(unset)" requested_repl= y=3D"0" destination=3D"org.bluez" (bus)
Feb 1= 8 21:38:39 ourserver gnome-keyring-daemon[11896]: The PKCS#11 component was= already initialized
Feb 18 21:38:40 ourserver pulseaudio[12088]:= [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DB= us.Error.AccessDenied: Rejected send message, 2 matched rules; type=3D"= ;method_call", sender=3D":1.14100" (uid=3D6675 pid=3D12088 c= omm=3D"/usr/bin/pulseaudio --start --log-target=3Dsyslog ") inter= face=3D"org.freedesktop.DBus.ObjectManager" member=3D"GetMan= agedObjects" error name=3D"(unset)" requested_reply=3D"= 0" destination=3D"org.bluez" (bus)
Feb 18 21:38:41= ourserver caja[11928]: [N-A] Caja-Actions Tracker 1.8.3 initializing...
Feb 18 21:38:41 ourserver pulseaudio[12200]: [pulseaudio] pid.c: Da= emon already running.
Feb 18 21:38:41 ourserver caja[11928]: [N-A= ] Caja-Actions Menu Extender 1.8.3 initializing...
Feb 18 21:38:4= 1 ourserver pulseaudio[12227]: [pulseaudio] pid.c: Daemon already running.<= /div>
Feb 18 21:38:41 ourserver dbus-daemon[892]: [system] Activating v= ia systemd: service name=3D'org.bluez' unit=3D'dbus-org.bluez.s= ervice' requested by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D= "python3 /bin/blueman-applet ")
Feb 18 21:38:41 ourserv= er dbus-daemon[892]: [system] Activating via systemd: service name=3D'o= rg.bluez' unit=3D'dbus-org.blue
z.service' requested = by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D"python3 /bin/blu= eman-applet ")
Feb 18 21:38:41 ourserver systemd[1]: /usr/li= b/systemd/system/bluetooth.service:22: Not an absolute path, ignoring: @sta= t
edir@
Feb 18 21:38:41 ourserver systemd[1]: /usr/lib/= systemd/system/bluetooth.service:23: Not an absolute path, ignoring: @conf<= /div>
dir@
Feb 18 21:38:43 ourserver dbus-daemon[892]: [syste= m] Activating via systemd: service name=3D'org.baseurl.DnfSystem' u= nit=3D'd
nfdaemon.service' requested by ':1.14084'= ; (uid=3D6675 pid=3D11942 comm=3D"python3 /bin/dnfdragora-updater &quo= t;)
Feb 18 21:38:43 ourserver systemd[1]: Starting Package manage= ment dnf daemon...
Feb 18 21:38:43 ourserver dbus-daemon[892]: [s= ystem] Successfully activated service 'org.baseurl.DnfSystem'
=
Feb 18 21:38:43 ourserver systemd[1]: Started Package management dnf d= aemon.
Feb 18 21:38:53 ourserver kernel: traps: caja[11928] trap = int3 ip:7fbd51c6a771 sp:7fff3feea110 error:0 in libglib-2.0.so.
0.5400.3[7fbd51c1a000+111000]
Feb 18 21:38:54 ourserver systemd[1]: Started Process Core Dump (PID 1238= 6/UID 0).
Feb 18 21:38:54 ourserver caja[12395]: [N-A] Caja-Actio= ns Tracker 1.8.3 initializing...
Feb 18 21:38:54 ourserver caja[1= 2395]: [N-A] Caja-Actions Menu Extender 1.8.3 initializing...
Feb= 18 21:39:01 ourserver systemd-coredump[12387]: Process 11928 (caja) of use= r 6675 dumped core.#012#012Stack trace of t
hread 11928:#012#0=C2= =A0 0x00007fbd51c6a771 _g_log_abort (libglib-2.0.so.0)#012#1=C2=A0 0x00007f= bd51c6cda1 g_log_writer_default (libglib-2.0.so.0)#012#2=C2=A0 0x00007fbd51= c6b30e g_log_structured_array (libglib-2.0.so.0)#012#3=C2=A0 0x00007fbd51c6= b607 g_log_structured (libglib-2.0.so.0)#012#4=C2=A0 0x00007fbd5334c1e1 _gd= k_x11_display_error_event (libgdk-3.so.0)#012#5=C2=A0 0x00007fbd53359783 gd= k_x_error (libgdk-3.so.0)#012#6=C2=A0 0x00007fbd51921e3a _XError (libX11.so= .6)#012#7=C2=A0 0x00007fbd5191ed6b handle_error (libX11.so.6)#012#8=C2=A0 0= x00007fbd5191ee15 handle_response (libX11.so.6)#012#9=C2=A0 0x00007fbd5191f= 745 _XEventsQueued (libX11.so.6)#012#10 0x00007fbd51911240 XEventsQueued (l= ibX11.so.6)#012#11 0x00007fbd527e6252 _cairo_xlib_shm_su0x00007fbd527e70fc = _cairo_xlib_surface_create_similar_shm (libcairo.so.2)#012#14 0x00007fbd527= b3f13 cairo_surface_create_similar_image (libcairo.so.2)#012#15 0x00007fbd5= 3317e4c gdk_cairo_set_source_pixbuf (libgdk-3.so.0)#012#16 0x00007fbd54885c= 22 mate_bg_create_surface (libmate-desktop-2.so.17)#012#17 0x0000559937d3d2= 4a eel_background_ensure_realized (caja)#012#18 0x0000559937d3d3c8 eel_back= ground_set_up_widget (caja)#012#19 0x0000559937d3d57e background_changed_cb= (caja)#012#20 0x00007fbd51c61577 g_idle_dispatch (libglib-2.0.so.0)#012#21= 0x00007fbd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#22 0x000= 07fbd51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#23 0x00= 007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#24 0x00007fb= d52221cad g_application_run (libgio-2.0.so.0)#012#25 0x0000559937c5f500 mai= n (caja)#012#26 0x00007fbd5056e00a __libc_start_main (libc.so.6)#012#27 0x0= 000559937c5f57a _start (caja)#012#012Stack trace of thread 12181:#012#0=C2= =A0 0x00007fbd5226759f g_file_monitor_source_handle_event (libgio-2.0.so.0)= #012#1=C2=A0 0x00007fbd5229393e ih_event_callback (libgio-2.0.so.0)#012#2= =C2=A0 0x00007fbd52292d09 ip_event_dispatch.part.4 (libgio-2.0.so.0)#012#3= =C2=A0 0x00007fbd52292f4e ip_event_callback (libgio-2.0.so.0)#012#4=C2=A0 0= x00007fbd5229229a ik_source_dispatch (libgio-2.0.so.0)#012#5=C2=A0 0x00007f= bd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#6=C2=A0 0x00007fb= d51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#7=C2=A0 0x0= 0007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#8=C2=A0 0x0= 0007fbd51c64ff1 glib_worker_main (libglib-2.0.so.0)#012#9=C2=A0 0x00007fbd5= 1c8c486 g_thread_proxy (libglib-2.0.so.0)#012#10 0x00007fbd5093761b start_t= hread (libpthread.so.0)#012#11 0x00007fbd5066498f __clone (libc.so.6)#012#0= 12Stack trace of thread 12192:#012#0=C2=A0 0x00007fbd506583db __poll (libc.= so.6)#012#1=C2=A0 0x00007fbd51c64e99 g_main_context_iterate.isra.23 (libgli= b-2.0.so.0)#012#2=C2=A0 0x00007fbd51c64fac g_main_context_iteration (libgli= b-2.0.so.0)#012#3=C2=A0 0x00007fbd4079442d dconf_gdbus_worker_thread (libdc= onfsettings.so)#012#4=C2=A0 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.= so.0)#012#5=C2=A0 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6= =C2=A0 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread = 12370:#012#0=C2=A0 0x00007fbd5065ebf9 syscall (libc.so.6)#012#1=C2=A0 0x000= 07fbd51caa62a g_cond_wait_until (libglib-2.0.so.0)#012#2=C2=A0 0x00007fbd51= c39381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)#012#3=C2=A0 0x0= 0007fbd51c8ce24 g_thread_pool_thread_proxy (libglib-2.0.so.0)#012#4=C2=A0 0= x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5=C2=A0 0x00007fbd5= 093761b start_thread (libpthread.so.0)#012#6=C2=A0 0x00007fbd5066498f __clo= ne (libc.so.6)#012#012Stack trace of thread 12182:#012#0=C2=A0 0x00007fbd50= 6583db __poll (libc.so.6)#012#1=C2=A0 0x00007fbd51c64e99 g_main_context_ite= rate.isra.23 (libglib-2.0.so.0)#012#2=C2=A0 0x00007fbd51c65232 g_main_loop_= run (libglib-2.0.so.0)#012#3=C2=A0 0x00007fbd5224db56 gdbus_shared_thread_f= unc (libgio-2.0.so.0)#012#4=C2=A0 0x00007fbd51c8c486 g_thread_proxy (libgli= b-2.0.so.0)#012#5=C2=A0 0x00007fbd5093761b start_thread (libpthread.so.0)#0= 12#6=C2=A0 0x00007fbd5066498f __clone (libc.so.6)
Feb 18 21:39:04= ourserver baloo_file[3418]: QObject::connect: invalid null parameter
=
Feb 18 21:39:04 ourserver baloo_file[5557]: QObject::connect: invalid = null parameter
Feb 18 21:39:05 ourserver baloo_file[18750]: QObje= ct::connect: invalid null parameter
Feb 18 21:39:05 ourserver bal= oo_file[17852]: QObject::connect: invalid null parameter
Feb 18 2= 1:39:06 ourserver dbus-daemon[892]: [system] Failed to activate service = 9;org.bluez': timed out (service_start_timeout=3D25000ms)
Feb= 18 21:39:08 ourserver python3[12179]: detected unhandled Python exception = in '/bin/blueman-applet'
Feb 18 21:39:21 ourserver dbus-d= aemon[892]: [system] Activating service name=3D'org.mate.SettingsDaemon= .DateTimeMechanism' requested by ':1.14131' (uid=3D6675 pid=3D1= 2336 comm=3D"/usr/libexec/mate-panel/clock-applet ") (using servi= cehelper)
Feb 18 21:39:21 ourserver dbus-daemon[892]: [system] Su= ccessfully activated service 'org.mate.SettingsDaemon.DateTimeMechanism= '
Feb 18 21:39:36 ourserver abrt-notification[12723]: Process= 11928 (caja) crashed in gdk_x_error()
Feb 18 21:39:36 ourserver = abrt-server[12509]: Deleting problem directory Python3-2018-02-18-21:39:08-= 12179 (dup of Python3-2018-02-15-18:40:16-3479)
Feb 18 21:39:37 o= urserver abrt-notification[12735]: Process 3479 (blueman-applet) of user 66= 75 encountered an uncaught GLib.GError exception
Feb 18 21:41:02 = ourserver automount[31776]: add_host_addrs: hostname lookup failed: No addr= ess associated with hostname
Feb 18 21:41:43 ourserver PackageKit= [15297]: search-file transaction /12276_bcdacbee from uid 6675 finished wit= h success after 408ms
Feb 18 21:45:50 ourserver baloo_file[5557]:= QObject::connect: invalid null parameter
Feb 18 21:45:51 ourserv= er baloo_file[17852]: QObject::connect: invalid null parameter
Fe= b 18 21:45:51 ourserver baloo_file[3418]: QObject::connect: invalid null pa= rameter
Feb 18 21:45:51 ourserver baloo_file[18750]: QObject::con= nect: invalid null parameter
Feb 18 21:46:01 ourserver /usr/bin/x= 2gosuspend-session[14346]: session with ID ouruser-327-1519007899_stDMATE_d= p32 has been suspended successfully
Feb 18 21:46:02 ourserver sys= temd-logind[1945]: Removed session 4273.
Feb 18 21:46:02 ourserve= r systemd[1]: Stopping User Manager for UID 6675...

I figured I'd include what I could get from a gdb on the Mate core fi= le:
warning: core file may not match specified executable file.
Reading symbols from /usr/libexec/mate-notification-daemon...R= eading symbols from /usr/lib/debug/usr/libexec/mate-notification-daemon-1.1= 9.1-1.fc27.x86_64.debug...done.
done.
warning: Ignoring= non-absolute filename: <linux-vdso.so.1>
Missing separ= ate debuginfo for linux-vdso.so.1
Try: dnf --enablerepo=3D'*d= ebug*' install /usr/lib/debug/.build-id/34/aef3552ea0558533a32c64cecbea= 32c5a96c52
Missing separate debuginfo for /lib64/libwayland-egl.s= o.1
Try: dnf --enablerepo=3D'*debug*' install /usr/lib/de= bug/.build-id/34/03db48ea562a74e13d645554fe90b7cbdb138f

warning: .dynamic section for "/lib64/libwayland-egl.so.1" = is not at the expected address (wrong library or version mismatch?)
[Thread debugging using libthread_db enabled]
Using host libth= read_db library "/lib64/libthread_db.so.1".
Core was ge= nerated by `/usr/libexec/mate-notification-daemon'.
Program t= erminated with signal SIGTRAP, Trace/breakpoint trap.
#0=C2=A0 _g= _log_abort (breakpoint=3Dbreakpoint@entry=3D1) at gmessages.c:554
554 }


=
--001a11409824aa922a0565a6b76e-- From ionic@ionic.de Mon Mar 5 08:51:18 2018 Received: (at 1260) by bugs.x2go.org; 5 Mar 2018 07:51:21 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.1 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 963EA5DAE9 for <1260@bugs.x2go.org>; Mon, 5 Mar 2018 08:51:18 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pOx0nEq3ycqG for <1260@bugs.x2go.org>; Mon, 5 Mar 2018 08:51:12 +0100 (CET) Received: from mail.ionic.de (ionic.de [87.98.244.45]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 7B2965DA8C for <1260@bugs.x2go.org>; Mon, 5 Mar 2018 08:51:12 +0100 (CET) Received: from [10.30.40.3] (178.162.222.41.adsl.inet-telecom.org [178.162.222.41]) by mail.ionic.de (Postfix) with ESMTPSA id 1CA924F038CB; Mon, 5 Mar 2018 08:51:05 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=ionic.de; s=default; t=1520236265; bh=i2ImuClWYbaendi35roiOVwLRXuCKW1pSuUZ1QhzUKY=; h=Subject:To:References:From:Date:In-Reply-To:From; b=mS2BsSdTsMvgOCkx+JIjAHON8JjOak8mryXsMsESttVUJhev6UwnOj13zLN2lXBZR Lp1TTB6NHwtfm9tGDFlrk2wOVkluq3oFAS3yF8UYy8tGIuqvPsaA4ixrDpSyWmUIcq p4rmdMWDcjWDBi5FMinqoWxh8iz3Fcf/HGKs7czg= Subject: Re: [X2Go-Dev] high CPU usage with Fedora 27 and users that disconnect, Caja and Mate crash/coredump To: Robert Kudyba , 1260@bugs.x2go.org References: From: Mihai Moldovan Message-ID: <8229524a-d798-ff2c-7dca-10c78aedeebf@ionic.de> Date: Mon, 5 Mar 2018 08:51:00 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="1Govk1pO0m77ekuCbGxERLBuS1RuupBGu" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --1Govk1pO0m77ekuCbGxERLBuS1RuupBGu Content-Type: multipart/mixed; boundary="mAg8JkmokFDHobsh8oCXNOrV19Jo9rvEv"; protected-headers="v1" From: Mihai Moldovan To: Robert Kudyba , 1260@bugs.x2go.org Message-ID: <8229524a-d798-ff2c-7dca-10c78aedeebf@ionic.de> Subject: Re: [X2Go-Dev] high CPU usage with Fedora 27 and users that disconnect, Caja and Mate crash/coredump References: In-Reply-To: --mAg8JkmokFDHobsh8oCXNOrV19Jo9rvEv Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Control: forwarded -1 https://github.com/ArcticaProject/nx-libs/issues/67= 1 Control: severity -1 grave * On 02/20/2018 04:46 PM, Robert Kudyba wrote: > Package: x2goserver-4.1.0.1-0.0x2go1.0.git20180218.1532.heuler.fc27.x86= _64 > Version: 4.1.0.1-0 >=20 > We experience a high load after users disconnect. The logs the follow b= elow > indicate that Caja and Mate crash. Can reproduce on Debian Unstable with current X2Go Stable packages. Forwarded to https://github.com/ArcticaProject/nx-libs/issues/671 Mihai --mAg8JkmokFDHobsh8oCXNOrV19Jo9rvEv-- --1Govk1pO0m77ekuCbGxERLBuS1RuupBGu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIzBAEBCgAdFiEEbhHQj3UzgcdE8cg8H9Yu2W4lOocFAlqc9uQACgkQH9Yu2W4l OoeRxxAAiNtB6poFCtRErLFKg+oO9mB014edLpyf1LvupSJkcl7CTQVE/g/9fCzP PJR31IWy8bK23muafBdyplSPNMe/qyzpKOZDPHQdfALUlDGQnSSvfAKo+U5VrVb4 YjlO+tdmECB6lchgP7gH7MZdyp7gkyHR+s+LFAT8VAffOD63Xf7U/iJg/lpc5lrG EGacG1jOV3MpWK65ZKSSjrmjcHdrmWrYF9NAykblAlwRg0a3/S/vWzldzgsFPeju XDC2uABSXezlAt5/8RlryMlxfW+PH1vfF7HHpeaOfMCV3Ui40i2E+Oo/X7BcY1RV AtBHgzGFv1fw8dQQWypZWuky84E90DOV0hELw5wdndipL7niElAHdN4kK+SK+AH6 4bIYSko/xGZ9XEUqeSXti6Way+5zRHlM90M/Vcm3DekUQD3nh+35MAGX5v4ZCpzE OI4dcp58T8rp/23KeZnOlIeS0UpRoUv4Cu7wKW+cOlIoLyaqkg7BJI+P3caXIwZZ zbbcdfvilHItODjmgjP7t3Des/1oV7AeShk8U+yCYnT/rirPzI2Yf+7pwDhJFj4/ m0Zf0arMhrlYlMK7bfs7SZLAGBdW4Z4A/Vq8c6qZ973GkolaSdp7s6T7zt8F9qcz A56QOmt27IFpQRgH6JphEeHDNW4NINrP47YbDBlwgJMdyeczRwo= =Ydce -----END PGP SIGNATURE----- --1Govk1pO0m77ekuCbGxERLBuS1RuupBGu-- From ionic@ionic.de Mon Mar 5 08:58:06 2018 Received: (at control) by bugs.x2go.org; 5 Mar 2018 07:58:07 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on ymir.das-netzwerkteam.de X-Spam-Level: * X-Spam-Status: No, score=2.0 required=3.0 tests=BAYES_05,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MISSING_SUBJECT,RDNS_NONE autolearn=no autolearn_force=no version=3.4.1 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 9C2505DAE9 for ; Mon, 5 Mar 2018 08:58:06 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YnHipOHcKCfx for ; Mon, 5 Mar 2018 08:58:02 +0100 (CET) Received: from mail.ionic.de (unknown [IPv6:2001:41d0:a:588b:1::2]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id E14B15DA8C for ; Mon, 5 Mar 2018 08:58:01 +0100 (CET) Received: from [10.30.40.3] (178.162.222.41.adsl.inet-telecom.org [178.162.222.41]) by mail.ionic.de (Postfix) with ESMTPSA id 91DE64F038CB for ; Mon, 5 Mar 2018 08:58:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=ionic.de; s=default; t=1520236681; bh=moQ9ji56YI1Vq1bX/nX75Rancqqh7KKx+Mx4zXoMVLQ=; h=To:From:Date:From; b=R6RRILDY09FqXG/YWSth9VYoWJspv1T7BTc2wseVv8HvpdQHG86gaH5IsFpdHMY5d iUlOBG4UTW3tGBcOLmQJk7xKvY5fZIy4+EgmjTy9prv+8TnT7h5C/wAJ/r1OS66iIq gvmYMOkNfMorEaP638WK+naHq8FNv7pHtCxaFRe0= To: control@bugs.x2go.org From: Mihai Moldovan Message-ID: Date: Mon, 5 Mar 2018 08:58:01 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="xMLnD9jV8ppXhJrowGrXe3uNfjm3dPgqV" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --xMLnD9jV8ppXhJrowGrXe3uNfjm3dPgqV Content-Type: multipart/mixed; boundary="0wnutkubhVdfGM9AmcgSBhuo7v5U7wt1J"; protected-headers="v1" From: Mihai Moldovan To: control@bugs.x2go.org Message-ID: --0wnutkubhVdfGM9AmcgSBhuo7v5U7wt1J Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable reassign 1260 nx-libs 3.5.99.14 --0wnutkubhVdfGM9AmcgSBhuo7v5U7wt1J-- --xMLnD9jV8ppXhJrowGrXe3uNfjm3dPgqV Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIzBAEBCgAdFiEEbhHQj3UzgcdE8cg8H9Yu2W4lOocFAlqc+IkACgkQH9Yu2W4l Ooe80Q/+OeMJYwal0rnCTK/PTEZgZrMPEC6b+M+nSyXmNCcfxWp5woe5d4mNqgBG x5+rvIhuGywSLuQy9AKUHqi9dchTpgYm3zTqsgiq9wDBWFmhsK39HKWY9g7Thkcc EV37aVlVwn4VvGyZ54OQY31Wf7ZQxnUcs8/LZMD96DT3yYBdlc1lhbmfZVrbO2Un arrnfqR5mISrZKSgDaWxIULEEJeSaLJu06cDKy11+Z0bo17SGLYV3hpQjXkL35NT wvVojiaFLq8AZmWD8h4vpdXwlOujitGX6ghtUa549TX4nADovIJYo03LNCjYRSd/ 5T9IUecTSuWcYByO/6sLAkOuAXZAOLaVXU4m9tkdrMrpJ5OUoCj9FlHzzTW4+EHh d15iIL8VkfNmH3Q29ArU4JbjVrlWvqM+piTXmS8zwBoDs5uvD/fkSsyvN7Q3FMN5 X8wChhxA3io109cQnyxpkVYUsGcKNatjrXA1AnzSQGRNFJmRxBJ3iHsFMyzIrOSx 2odpfP+dthha7oq0c9c8ptgS4Q4MvyYzmU/azqvqFubr2/nr2CWL6C36vcNx1huP HUR3Wpy5FlIDhUQusABP+H/JUaNMY0+sUrj/3pEPTKh188YjSIMuciyEo0v+1fO6 BlMZ84IsdzKnqIUp1jGPdFEoX5DRIi9yU/T+EzenaywJf933mUc= =LgGv -----END PGP SIGNATURE----- --xMLnD9jV8ppXhJrowGrXe3uNfjm3dPgqV-- From ionic@ionic.de Thu Mar 8 04:58:59 2018 Received: (at control) by bugs.x2go.org; 8 Mar 2018 03:59:01 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-0.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MISSING_SUBJECT autolearn=no autolearn_force=no version=3.4.1 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 62ABF5DAE9 for ; Thu, 8 Mar 2018 04:58:59 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1lrtKPTKJkvm for ; Thu, 8 Mar 2018 04:58:54 +0100 (CET) Received: from mail.ionic.de (ionic.de [87.98.244.45]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id DEAFD5DA96 for ; Thu, 8 Mar 2018 04:58:53 +0100 (CET) Received: from [10.30.40.3] (178.162.222.41.adsl.inet-telecom.org [178.162.222.41]) by mail.ionic.de (Postfix) with ESMTPSA id BE60C4F006AE for ; Thu, 8 Mar 2018 04:58:52 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=ionic.de; s=default; t=1520481532; bh=yj2e8x2ThBbeZSTuoWzQ/fRpu2vkgnI0fgqw02SHgio=; h=To:From:Date:From; b=Mi7UcZYinkw2W3vtHA2h6hLvsoSnvouL938S50rydwHio/p1oRKC4J6FOI+Fcg36c yzwkPZ8W2LyYu/DUdaHtS+ZWOVhm8IB3Od3HQf/i3i2TkxIcO45sTK4nUd+dkAHCIk VDL08XhFKrBbXhte6quyIiHh4aXZVbYN9WKjo06U= To: control@bugs.x2go.org From: Mihai Moldovan Message-ID: <1457a7e4-699a-6a81-cbb3-8186f3e12120@ionic.de> Date: Thu, 8 Mar 2018 04:58:52 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="OIFwhIicMBR6EBtepgDXKM8bs67pdNqGW" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --OIFwhIicMBR6EBtepgDXKM8bs67pdNqGW Content-Type: multipart/mixed; boundary="eoTMJmB4PnBt42C1MNLHdeAtJpgL1j5G6"; protected-headers="v1" From: Mihai Moldovan To: control@bugs.x2go.org Message-ID: <1457a7e4-699a-6a81-cbb3-8186f3e12120@ionic.de> --eoTMJmB4PnBt42C1MNLHdeAtJpgL1j5G6 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable fixed 1260 3.5.99.15 close 1260 --eoTMJmB4PnBt42C1MNLHdeAtJpgL1j5G6-- --OIFwhIicMBR6EBtepgDXKM8bs67pdNqGW Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIzBAEBCgAdFiEEbhHQj3UzgcdE8cg8H9Yu2W4lOocFAlqgtPwACgkQH9Yu2W4l OodISw//V/52ilER0MbAl/HqckO9fp4RmbLuCklHh6EASf/gn5eMW3VOa8R45UPh 2xUfoD4M/m2USIqfP/gDEsTFF2Z2Qzobp6LpsBtPzD0MfXXXO701/rpT6XohFBkY 32sgoj5AHcwmErb4dOIkvWfFLBEXNLr/Yl8Vh8n9r5ZcRy77pa1pM4TNTqkMrz8U Bq0sSYmtIhnWoAdeYSW79RDp+5DtsP0890BPd0rRwsIpYKxWaSOHKJBPVKavIWp1 RJvsBb4XAV4z9nB98m9KJDkcGkCoCecaE3f/Nq8yIx6VCSjIZECac6Ypc80cY+oh rzRLntRiPX6ZIecRluDEX3BlUIF9k6dwlXIdb59kZOVrIZG4RVr2hWsodTtKGwUG tIsi+vKAj7ga/nrD/IGa3KFAyFeLkmE6/oU7G07GwErcEbefpOoJwIDrVcx7YtUF HOrTTi1ZZWB9ksVpQKmrXbT74XaJPGNr3TkH/BtDYWd6dUS4cmJiPGDy2/7kcX7C gBhVlPisMHuvcc0QURb15hMf8/w/U1zyUNKnABMDiK8HZQO5RtV1NFTcZDDTeozy QkMcjNOKTtpq56sK8Vud3shUGJUQjkRNl/NWNOjXjVcnPftBSenn2aBNO7ATMY+B mCJcR0rII6FQrTfZgc3+tAH6e50cAin2yLpfGk32EXgtb92xSEs= =QhHP -----END PGP SIGNATURE----- --OIFwhIicMBR6EBtepgDXKM8bs67pdNqGW-- From unknown Thu Mar 28 21:38:24 2024 MIME-Version: 1.0 X-Mailer: MIME-tools 5.507 (Entity 5.507) X-Loop: owner@bugs.x2go.org From: owner@bugs.x2go.org (X2Go Bug Tracking System) Subject: Bug#1260 closed by Mihai Moldovan () Message-ID: References: <1457a7e4-699a-6a81-cbb3-8186f3e12120@ionic.de> X-X2go-PR-Message: they-closed 1260 X-X2go-PR-Package: nx-libs Date: Thu, 08 Mar 2018 04:00:04 +0000 Content-Type: multipart/mixed; boundary="----------=_1520481604-6960-0" This is a multi-part message in MIME format... ------------=_1520481604-6960-0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 This is an automatic notification regarding your Bug report which was filed against the nx-libs package: #1260: high CPU usage with Fedora 27 and users that disconnect, Caja and Ma= te crash/coredump It has been closed by Mihai Moldovan . Their explanation is attached below along with your original report. If this explanation is unsatisfactory and you have not received a better one in a separate message then please contact Mihai Moldovan by replying to this email. --=20 X2Go Bug Tracking System Contact owner@bugs.x2go.org with problems ------------=_1520481604-6960-0 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at control) by bugs.x2go.org; 8 Mar 2018 03:59:01 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-0.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MISSING_SUBJECT autolearn=no autolearn_force=no version=3.4.1 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 62ABF5DAE9 for ; Thu, 8 Mar 2018 04:58:59 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1lrtKPTKJkvm for ; 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Tue, 20 Feb 2018 07:46:43 -0800 (PST) MIME-Version: 1.0 Received: by 10.2.164.1 with HTTP; Tue, 20 Feb 2018 07:46:43 -0800 (PST) From: Robert Kudyba Date: Tue, 20 Feb 2018 10:46:43 -0500 Message-ID: Subject: high CPU usage with Fedora 27 and users that disconnect, Caja and Mate crash/coredump To: submit@bugs.x2go.org Content-Type: multipart/alternative; boundary="001a11409824aa922a0565a6b76e" --001a11409824aa922a0565a6b76e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Package: x2goserver-4.1.0.1-0.0x2go1.0.git20180218.1532.heuler.fc27.x86_64 Version: 4.1.0.1-0 We experience a high load after users disconnect. The logs the follow below indicate that Caja and Mate crash. I have uploaded core files to: 1) Mate: http://storm.cis.fordham.edu/~rkudyba/core.mate-notificati.6675.6ecbb92662c= 74928aaa33397e2281f5d.13324.1519094587000000.lz4 2) Caja http://storm.cis.fordham.edu/~rkudyba/ core.caja.6675.6ecbb92662c74928aaa33397e2281f5d.11928.1519007933000000.lz4 Here is the server load with just 1 X2Go suspended user session: 2 users, load average: 3.74, 4.95, 5.18 Here are some of his processes: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 11914 ouruser 20 0 20.488g 0.018t 7116 R 90.7 80.5 1542:41 mate-panel 11624 ouruser 20 0 48564 3812 2960 S 0.3 0.0 18:55.56 dbus-daemon 11932 ouruser 20 0 601340 8040 5768 S 0.3 0.0 22:01.75 wnck-applet 12338 ouruser 20 0 591444 6180 5436 S 0.3 0.0 7:40.26 notification-ar Here is a ps: ps -auwx | grep x2go root 8749 0.1 0.0 183668 11428 ? S Feb19 3:01 /usr/bin/perl /usr/sbin/x2gocleansessions root 11516 0.0 0.0 115996 1024 pts/0 S+ 09:48 0:00 grep --color=3Dauto x2go ouruser 11518 0.0 0.0 116572 2720 ? Ss Feb18 0:00 /bin/bash /usr/bin/x2goruncommand 327 11426 ouruser-327-1519007899_stDMATE_dp32 59504 mate-session nosnd D ouruser 11623 0.0 0.0 32340 1096 ? S Feb18 0:00 /usr/bin/dbus-run-session /etc/x2go/Xsession And a systemctl status x2goserver =E2=97=8F x2goserver.service - X2Go Server Daemon Loaded: loaded (/usr/lib/systemd/system/x2goserver.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2018-02-19 02:16:54 EST; 1 day 7h ago Main PID: 8749 (x2gocleansessio) Tasks: 1 (limit: 4915) Memory: 15.5M CPU: 6h 42min 49.407s CGroup: /system.slice/x2goserver.service =E2=94=94=E2=94=808749 /usr/bin/perl /usr/sbin/x2gocleansessions Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable. rpm -q x2goserver x2goserver-4.1.0.1-0.0x2go1.0.git20180218.1532.heuler.fc27.x86_64 Logs at the time the user logs in and disconnects: Feb 18 21:38:15 ourserver systemd[1]: Started User Manager for UID 6675. Feb 18 21:38:21 ourserver /usr/sbin/x2gocleansessions[30526]: ouruser-327-1519007899_stDMATE_dp32: state file for this s ession does not exist: /tmp/.x2go-ouruser/C-ouruser-327-1519007899_stDMATE_dp32/state (this can be ignored during s ession startups) Feb 18 21:38:23 ourserver /usr/bin/x2gostartagent[11435]: successfully started X2Go Agent session with ID ouruser-327-15 19007899_stDMATE_dp32 Feb 18 21:38:26 ourserver /usr/bin/x2gosetkeyboard[11597]: Setting X keyboard according to /u/ourserver/csga/ouruser/.x2go/C -ouruser-327-1519007899_stDMATE_dp32/keyboard Feb 18 21:38:26 ourserver /usr/bin/x2goruncommand[11617]: launching session with Xsession-x2go mechanism, using STARTUP=3D" mate-session" Feb 18 21:38:26 ourserver /usr/bin/x2goruncommand[11618]: dbus wrapper available as /usr/bin/dbus-run-session Feb 18 21:38:27 ourserver baloo_file[17852]: QObject::connect: invalid null parameter Feb 18 21:38:28 ourserver baloo_file[18750]: QObject::connect: invalid null parameter Feb 18 21:38:28 ourserver baloo_file[5557]: QObject::connect: invalid null parameter Feb 18 21:38:28 ourserver baloo_file[3418]: QObject::connect: invalid null parameter Feb 18 21:38:31 ourserver gnome-keyring-daemon[11896]: couldn't access control socket: /run/user/6675/keyring/control: No such file or directory Feb 18 21:38:31 ourserver mate-session[11631]: WARNING: GSIdleMonitor: IDLETIME counter not found Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITICAL: object GSIdleMonitor 0x7f73040054d0 finalized while still in-construction Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITICAL: Custom constructor for class GSIdleMonitor returned NULL (which is invalid). Please use GInitable instead. Feb 18 21:38:36 ourserver gnome-keyring-daemon[11896]: The Secret Service was already initialized Feb 18 21:38:36 ourserver spice-vdagent[11943]: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0 Feb 18 21:38:37 ourserver gnome-keyring-daemon[11896]: The SSH agent was already initialized Feb 18 21:38:37 ourserver pulseaudio[12014]: [pulseaudio] core-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pul= se-client.conf': No such file or directory Feb 18 21:38:37 ourserver pulseaudio[11975]: [pulseaudio] core-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pul= se-client.conf': No such file or directory Feb 18 21:38:38 ourserver dbus-daemon[892]: [system] Activating service name=3D'org.freedesktop.problems' requested by ':1.14085' (uid=3D6675 pid= =3D12070 comm=3D"abrt-applet ") (using servicehelper) Feb 18 21:38:38 ourserver dbus-daemon[892]: [system] Successfully activated service 'org.freedesktop.problems' Feb 18 21:38:39 ourserver pulseaudio[12159]: [pulseaudio] core-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pul= se-client.conf': No such file or directory Feb 18 21:38:39 ourserver dbus-daemon[892]: [system] Rejected send message, 2 matched rules; type=3D"method_call", sender=3D":1.14100" (uid=3D6675 pid= =3D12088 comm=3D"/usr/bin/pulseaudio --start --log-target=3Dsyslog ") interface=3D"org.freedesktop.DBus.ObjectManager" member=3D"GetManagedObject= s" error name=3D"(unset)" requested_reply=3D"0" destination=3D"org.bluez" (bus= ) Feb 18 21:38:39 ourserver gnome-keyring-daemon[11896]: The PKCS#11 component was already initialized Feb 18 21:38:40 ourserver pulseaudio[12088]: [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DBus.Error.AccessDenied: Rejected send message, 2 matched rules; type=3D"method_call", sender=3D":1.14100" (uid=3D6675 pid=3D12088 comm=3D"/usr/bin/pulseaudio --s= tart --log-target=3Dsyslog ") interface=3D"org.freedesktop.DBus.ObjectManager" member=3D"GetManagedObjects" error name=3D"(unset)" requested_reply=3D"0" destination=3D"org.bluez" (bus) Feb 18 21:38:41 ourserver caja[11928]: [N-A] Caja-Actions Tracker 1.8.3 initializing... Feb 18 21:38:41 ourserver pulseaudio[12200]: [pulseaudio] pid.c: Daemon already running. Feb 18 21:38:41 ourserver caja[11928]: [N-A] Caja-Actions Menu Extender 1.8.3 initializing... Feb 18 21:38:41 ourserver pulseaudio[12227]: [pulseaudio] pid.c: Daemon already running. Feb 18 21:38:41 ourserver dbus-daemon[892]: [system] Activating via systemd: service name=3D'org.bluez' unit=3D'dbus-org.bluez.service' request= ed by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D"python3 /bin/blueman-applet "= ) Feb 18 21:38:41 ourserver dbus-daemon[892]: [system] Activating via systemd: service name=3D'org.bluez' unit=3D'dbus-org.blue z.service' requested by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D"python3 /bin/blueman-applet ") Feb 18 21:38:41 ourserver systemd[1]: /usr/lib/systemd/system/bluetooth.service:22: Not an absolute path, ignoring: @stat edir@ Feb 18 21:38:41 ourserver systemd[1]: /usr/lib/systemd/system/bluetooth.service:23: Not an absolute path, ignoring: @conf dir@ Feb 18 21:38:43 ourserver dbus-daemon[892]: [system] Activating via systemd: service name=3D'org.baseurl.DnfSystem' unit=3D'd nfdaemon.service' requested by ':1.14084' (uid=3D6675 pid=3D11942 comm=3D"p= ython3 /bin/dnfdragora-updater ") Feb 18 21:38:43 ourserver systemd[1]: Starting Package management dnf daemon... Feb 18 21:38:43 ourserver dbus-daemon[892]: [system] Successfully activated service 'org.baseurl.DnfSystem' Feb 18 21:38:43 ourserver systemd[1]: Started Package management dnf daemon= . Feb 18 21:38:53 ourserver kernel: traps: caja[11928] trap int3 ip:7fbd51c6a771 sp:7fff3feea110 error:0 in libglib-2.0.so. 0.5400.3[7fbd51c1a000+111000] Feb 18 21:38:54 ourserver systemd[1]: Started Process Core Dump (PID 12386/UID 0). Feb 18 21:38:54 ourserver caja[12395]: [N-A] Caja-Actions Tracker 1.8.3 initializing... Feb 18 21:38:54 ourserver caja[12395]: [N-A] Caja-Actions Menu Extender 1.8.3 initializing... Feb 18 21:39:01 ourserver systemd-coredump[12387]: Process 11928 (caja) of user 6675 dumped core.#012#012Stack trace of t hread 11928:#012#0 0x00007fbd51c6a771 _g_log_abort (libglib-2.0.so.0)#012#1 0x00007fbd51c6cda1 g_log_writer_default (libglib-2.0.so.0)#012#2 0x00007fbd51c6b30e g_log_structured_array (libglib-2.0.so.0)#012#3 0x00007fbd51c6b607 g_log_structured (libglib-2.0.so.0)#012#4 0x00007fbd5334c1e1 _gdk_x11_display_error_event (libgdk-3.so.0)#012#5 0x00007fbd53359783 gdk_x_error (libgdk-3.so.0)#012#6 0x00007fbd51921e3a _XError (libX11.so.6)#012#7 0x00007fbd5191ed6b handle_error (libX11.so.6)#012#8 0x00007fbd5191ee15 handle_response (libX11.so.6)#012#9 0x00007fbd5191f745 _XEventsQueued (libX11.so.6)#012#10 0x00007fbd51911240 XEventsQueued (libX11.so.6)#012#11 0x00007fbd527e6252 _cairo_xlib_shm_su0x00007fbd527e70fc _cairo_xlib_surface_create_similar_shm (libcairo.so.2)#012#14 0x00007fbd527b3f13 cairo_surface_create_similar_image (libcairo.so.2)#012#15 0x00007fbd53317e4c gdk_cairo_set_source_pixbuf (libgdk-3.so.0)#012#16 0x00007fbd54885c22 mate_bg_create_surface (libmate-desktop-2.so.17)#012#17 0x0000559937d3d24a eel_background_ensure_realized (caja)#012#18 0x0000559937d3d3c8 eel_background_set_up_widget (caja)#012#19 0x0000559937d3d57e background_changed_cb (caja)#012#20 0x00007fbd51c61577 g_idle_dispatch (libglib-2.0.so.0)#012#21 0x00007fbd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#22 0x00007fbd51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#23 0x00007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#24 0x00007fbd52221cad g_application_run (libgio-2.0.so.0)#012#25 0x0000559937c5f500 main (caja)#012#26 0x00007fbd5056e00a __libc_start_main (libc.so.6)#012#27 0x0000559937c5f57a _start (caja)#012#012Stack trace of thread 12181:#012#0 0x00007fbd5226759f g_file_monitor_source_handle_event (libgio-2.0.so.0)#012#1 0x00007fbd5229393e ih_event_callback (libgio-2.0.so.0)#012#2 0x00007fbd52292d09 ip_event_dispatch.part.4 (libgio-2.0.so.0)#012#3 0x00007fbd52292f4e ip_event_callback (libgio-2.0.so.0)#012#4 0x00007fbd5229229a ik_source_dispatch (libgio-2.0.so.0)#012#5 0x00007fbd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#6 0x00007fbd51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#7 0x00007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#8 0x00007fbd51c64ff1 glib_worker_main (libglib-2.0.so.0)#012#9 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#10 0x00007fbd5093761b start_thread (libpthread.so.0)#012#11 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread 12192:#012#0 0x00007fbd506583db __poll (libc.so.6)#012#1 0x00007fbd51c64e99 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#2 0x00007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#3 0x00007fbd4079442d dconf_gdbus_worker_thread (libdconfsettings.so)#012#4 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread 12370:#012#0 0x00007fbd5065ebf9 syscall (libc.so.6)#012#1 0x00007fbd51caa62a g_cond_wait_until (libglib-2.0.so.0)#012#2 0x00007fbd51c39381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)#012#3 0x00007fbd51c8ce24 g_thread_pool_thread_proxy (libglib-2.0.so.0)#012#4 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread 12182:#012#0 0x00007fbd506583db __poll (libc.so.6)#012#1 0x00007fbd51c64e99 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#2 0x00007fbd51c65232 g_main_loop_run (libglib-2.0.so.0)#012#3 0x00007fbd5224db56 gdbus_shared_thread_func (libgio-2.0.so.0)#012#4 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6 0x00007fbd5066498f __clone (libc.so.6) Feb 18 21:39:04 ourserver baloo_file[3418]: QObject::connect: invalid null parameter Feb 18 21:39:04 ourserver baloo_file[5557]: QObject::connect: invalid null parameter Feb 18 21:39:05 ourserver baloo_file[18750]: QObject::connect: invalid null parameter Feb 18 21:39:05 ourserver baloo_file[17852]: QObject::connect: invalid null parameter Feb 18 21:39:06 ourserver dbus-daemon[892]: [system] Failed to activate service 'org.bluez': timed out (service_start_timeout=3D25000ms) Feb 18 21:39:08 ourserver python3[12179]: detected unhandled Python exception in '/bin/blueman-applet' Feb 18 21:39:21 ourserver dbus-daemon[892]: [system] Activating service name=3D'org.mate.SettingsDaemon.DateTimeMechanism' requested by ':1.14131' (uid=3D6675 pid=3D12336 comm=3D"/usr/libexec/mate-panel/clock-applet ") (us= ing servicehelper) Feb 18 21:39:21 ourserver dbus-daemon[892]: [system] Successfully activated service 'org.mate.SettingsDaemon.DateTimeMechanism' Feb 18 21:39:36 ourserver abrt-notification[12723]: Process 11928 (caja) crashed in gdk_x_error() Feb 18 21:39:36 ourserver abrt-server[12509]: Deleting problem directory Python3-2018-02-18-21:39:08-12179 (dup of Python3-2018-02-15-18:40:16-3479) Feb 18 21:39:37 ourserver abrt-notification[12735]: Process 3479 (blueman-applet) of user 6675 encountered an uncaught GLib.GError exception Feb 18 21:41:02 ourserver automount[31776]: add_host_addrs: hostname lookup failed: No address associated with hostname Feb 18 21:41:43 ourserver PackageKit[15297]: search-file transaction /12276_bcdacbee from uid 6675 finished with success after 408ms Feb 18 21:45:50 ourserver baloo_file[5557]: QObject::connect: invalid null parameter Feb 18 21:45:51 ourserver baloo_file[17852]: QObject::connect: invalid null parameter Feb 18 21:45:51 ourserver baloo_file[3418]: QObject::connect: invalid null parameter Feb 18 21:45:51 ourserver baloo_file[18750]: QObject::connect: invalid null parameter Feb 18 21:46:01 ourserver /usr/bin/x2gosuspend-session[14346]: session with ID ouruser-327-1519007899_stDMATE_dp32 has been suspended successfully Feb 18 21:46:02 ourserver systemd-logind[1945]: Removed session 4273. Feb 18 21:46:02 ourserver systemd[1]: Stopping User Manager for UID 6675... I figured I'd include what I could get from a gdb on the Mate core file: warning: core file may not match specified executable file. Reading symbols from /usr/libexec/mate-notification-daemon...Reading symbols from /usr/lib/debug/usr/libexec/mate-notification-daemon-1.19.1-1.fc27.x86_64.de= bug...done. done. warning: Ignoring non-absolute filename: Missing separate debuginfo for linux-vdso.so.1 Try: dnf --enablerepo=3D'*debug*' install /usr/lib/debug/.build-id/34/aef3552ea0558533a32c64cecbea32c5a96c52 Missing separate debuginfo for /lib64/libwayland-egl.so.1 Try: dnf --enablerepo=3D'*debug*' install /usr/lib/debug/.build-id/34/03db48ea562a74e13d645554fe90b7cbdb138f warning: .dynamic section for "/lib64/libwayland-egl.so.1" is not at the expected address (wrong library or version mismatch?) [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/usr/libexec/mate-notification-daemon'. Program terminated with signal SIGTRAP, Trace/breakpoint trap. #0 _g_log_abort (breakpoint=3Dbreakpoint@entry=3D1) at gmessages.c:554 554 } --001a11409824aa922a0565a6b76e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Package: x2goserver-4.1.0.1-0.0x2go1.0.git20180218.15= 32.heuler.fc27.x86_64
Version: 4.1.= 0.1-0

We experience a high load after users= disconnect. The logs the follow below indicate that Caja and Mate crash. I= have uploaded core files to:=C2=A0
2) Caja=C2=A0http://storm.cis.fordham.e= du/~rkudyba/core.caja.6675.6ecbb92662c74928aaa33397e2281f5d.1192= 8.1519007933000000.lz4


Here is= the server load with just 1 X2Go suspended user session:
2 users= ,=C2=A0 load average: 3.74, 4.95, 5.18

Here are so= me of his processes:
=C2=A0 PID USER=C2=A0 =C2=A0 =C2=A0 PR=C2=A0= NI=C2=A0 =C2=A0 VIRT=C2=A0 =C2=A0 RES=C2=A0 =C2=A0 SHR S=C2=A0 %CPU %MEM= =C2=A0 =C2=A0 =C2=A0TIME+ COMMAND=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0
11914 ouruser
= =C2=A0 20=C2=A0 =C2=A00 20.488g 0.018t=C2=A0 =C2=A07116 R=C2=A0 90.7 80.5= =C2=A0 =C2=A01542:41 mate-panel=C2=A0=C2=A0
11624 ouruser=C2=A0 2= 0=C2=A0 =C2=A00=C2=A0 =C2=A048564=C2=A0 =C2=A03812=C2=A0 =C2=A02960 S=C2=A0= =C2=A00.3=C2=A0 0.0=C2=A0 18:55.56 dbus-daemon=C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0
11932 ouruser=C2=A0 20=C2=A0 =C2=A00=C2=A0 601340=C2= =A0 =C2=A08040=C2=A0 =C2=A05768 S=C2=A0 =C2=A00.3=C2=A0 0.0=C2=A0 22:01.75 = wnck-applet=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0=
12338 ouruser=C2=A0 20=C2=A0 =C2=A00=C2=A0 591444=C2=A0 =C2=A061= 80=C2=A0 =C2=A05436 S=C2=A0 =C2=A00.3=C2=A0 0.0=C2=A0 =C2=A07:40.26 notific= ation-ar=C2=A0

Here is a ps:
ps -auwx | = grep x2go
root=C2=A0 =C2=A0 =C2=A0 8749=C2=A0 0.1=C2=A0 0.0 18366= 8 11428 ?=C2=A0 =C2=A0 =C2=A0 =C2=A0 S=C2=A0 =C2=A0 Feb19=C2=A0 =C2=A03:01 = /usr/bin/perl /usr/sbin/x2gocleansessions
root=C2=A0 =C2=A0 =C2= =A011516=C2=A0 0.0=C2=A0 0.0 115996=C2=A0 1024 pts/0=C2=A0 =C2=A0 S+=C2=A0 = =C2=A009:48=C2=A0 =C2=A00:00 grep --color=3Dauto x2go
ouruser 115= 18=C2=A0 0.0=C2=A0 0.0 116572=C2=A0 2720 ?=C2=A0 =C2=A0 =C2=A0 =C2=A0 Ss=C2= =A0 =C2=A0Feb18=C2=A0 =C2=A00:00 /bin/bash /usr/bin/x2goruncommand 327 1142= 6 ouruser-327-1519007899_stDMATE_dp32 59504 mate-session nosnd D
= ouruser 11623=C2=A0 0.0=C2=A0 0.0=C2=A0 32340=C2=A0 1096 ?=C2=A0 =C2=A0 =C2= =A0 =C2=A0 S=C2=A0 =C2=A0 Feb18=C2=A0 =C2=A00:00 /usr/bin/dbus-run-session = /etc/x2go/Xsession

And a systemctl status x2goserv= er
=E2=97=8F x2goserver.service - X2Go Server Daemon
= =C2=A0 =C2=A0Loaded: loaded (/usr/lib/systemd/system/x2goserver.service; en= abled; vendor preset: disabled)
=C2=A0 =C2=A0Active: active (runn= ing) since Mon 2018-02-19 02:16:54 EST; 1 day 7h ago
=C2=A0Main P= ID: 8749 (x2gocleansessio)
=C2=A0 =C2=A0 Tasks: 1 (limit: 4915)
=C2=A0 =C2=A0Memory: 15.5M
=C2=A0 =C2=A0 =C2=A0 CPU: 6h = 42min 49.407s
=C2=A0 =C2=A0CGroup: /system.slice/x2goserver.servi= ce
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=94=94=E2=94=80874= 9 /usr/bin/perl /usr/sbin/x2gocleansessions

Warnin= g: Journal has been rotated since unit was started. Log output is incomplet= e or unavailable.

rpm -q x2goserver
x2go= server-4.1.0.1-0.0x2go1.0.git20180218.1532.heuler.fc27.x86_64
Logs at the time the user logs in and disconnects:
Fe= b 18 21:38:15 ourserver systemd[1]: Started User Manager for UID 6675.
Feb 18 21:38:21 ourserver /usr/sbin/x2gocleansessions[30526]: ouruser= -327-1519007899_stDMATE_dp32: state file for this s
ession does n= ot exist: /tmp/.x2go-ouruser/C-ouruser-327-1519007899_stDMATE_dp32/state (t= his can be ignored during s
ession startups)
Feb 18 21:= 38:23 ourserver /usr/bin/x2gostartagent[11435]: successfully started X2Go A= gent session with ID ouruser-327-15
19007899_stDMATE_dp32
Feb 18 21:38:26 ourserver /usr/bin/x2gosetkeyboard[11597]: Setting X key= board according to /u/ourserver/csga/ouruser/.x2go/C
-ouruser-327= -1519007899_stDMATE_dp32/keyboard
Feb 18 21:38:26 ourserver /usr/= bin/x2goruncommand[11617]: launching session with Xsession-x2go mechanism, = using STARTUP=3D"
mate-session"
Feb 18 21:38:= 26 ourserver /usr/bin/x2goruncommand[11618]: dbus wrapper available as /usr= /bin/dbus-run-session
Feb 18 21:38:27 ourserver baloo_file[17852]= : QObject::connect: invalid null parameter
Feb 18 21:38:28 ourser= ver baloo_file[18750]: QObject::connect: invalid null parameter
F= eb 18 21:38:28 ourserver baloo_file[5557]: QObject::connect: invalid null p= arameter
Feb 18 21:38:28 ourserver baloo_file[3418]: QObject::con= nect: invalid null parameter
Feb 18 21:38:31 ourserver gnome-keyr= ing-daemon[11896]: couldn't access control socket: /run/user/6675/keyri= ng/control: No such file or directory
Feb 18 21:38:31 ourserver m= ate-session[11631]: WARNING: GSIdleMonitor: IDLETIME counter not found
Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITICAL:= object GSIdleMonitor 0x7f73040054d0 finalized while still in-construction<= /div>
Feb 18 21:38:31 ourserver mate-session[11631]: GLib-GObject-CRITI= CAL: Custom constructor for class GSIdleMonitor returned NULL (which is inv= alid). Please use GInitable instead.
Feb 18 21:38:36 ourserver gn= ome-keyring-daemon[11896]: The Secret Service was already initialized
=
Feb 18 21:38:36 ourserver spice-vdagent[11943]: Cannot access vdagent = virtio channel /dev/virtio-ports/com.redhat.spice.0
Feb 18 21:38:= 37 ourserver gnome-keyring-daemon[11896]: The SSH agent was already initial= ized
Feb 18 21:38:37 ourserver pulseaudio[12014]: [pulseaudio] co= re-util.c: Failed to open configuration file '/u/ourserver/csga/ouruser= /.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pulse-client.conf': No su= ch file or directory
Feb 18 21:38:37 ourserver pulseaudio[11975]:= [pulseaudio] core-util.c: Failed to open configuration file '/u/ourser= ver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pulse-client.= conf': No such file or directory
Feb 18 21:38:38 ourserver db= us-daemon[892]: [system] Activating service name=3D'org.freedesktop.pro= blems' requested by ':1.14085' (uid=3D6675 pid=3D12070 comm=3D&= quot;abrt-applet ") (using servicehelper)
Feb 18 21:38:38 ou= rserver dbus-daemon[892]: [system] Successfully activated service 'org.= freedesktop.problems'
Feb 18 21:38:39 ourserver pulseaudio[12= 159]: [pulseaudio] core-util.c: Failed to open configuration file '/u/o= urserver/csga/ouruser/.x2go/C-ouruser-327-1519007899_stDMATE_dp32/.pulse-cl= ient.conf': No such file or directory
Feb 18 21:38:39 ourserv= er dbus-daemon[892]: [system] Rejected send message, 2 matched rules; type= =3D"method_call", sender=3D":1.14100" (uid=3D6675 pid= =3D12088 comm=3D"/usr/bin/pulseaudio --start --log-target=3Dsyslog &qu= ot;) interface=3D"org.freedesktop.DBus.ObjectManager" member=3D&q= uot;GetManagedObjects" error name=3D"(unset)" requested_repl= y=3D"0" destination=3D"org.bluez" (bus)
Feb 1= 8 21:38:39 ourserver gnome-keyring-daemon[11896]: The PKCS#11 component was= already initialized
Feb 18 21:38:40 ourserver pulseaudio[12088]:= [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DB= us.Error.AccessDenied: Rejected send message, 2 matched rules; type=3D"= ;method_call", sender=3D":1.14100" (uid=3D6675 pid=3D12088 c= omm=3D"/usr/bin/pulseaudio --start --log-target=3Dsyslog ") inter= face=3D"org.freedesktop.DBus.ObjectManager" member=3D"GetMan= agedObjects" error name=3D"(unset)" requested_reply=3D"= 0" destination=3D"org.bluez" (bus)
Feb 18 21:38:41= ourserver caja[11928]: [N-A] Caja-Actions Tracker 1.8.3 initializing...
Feb 18 21:38:41 ourserver pulseaudio[12200]: [pulseaudio] pid.c: Da= emon already running.
Feb 18 21:38:41 ourserver caja[11928]: [N-A= ] Caja-Actions Menu Extender 1.8.3 initializing...
Feb 18 21:38:4= 1 ourserver pulseaudio[12227]: [pulseaudio] pid.c: Daemon already running.<= /div>
Feb 18 21:38:41 ourserver dbus-daemon[892]: [system] Activating v= ia systemd: service name=3D'org.bluez' unit=3D'dbus-org.bluez.s= ervice' requested by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D= "python3 /bin/blueman-applet ")
Feb 18 21:38:41 ourserv= er dbus-daemon[892]: [system] Activating via systemd: service name=3D'o= rg.bluez' unit=3D'dbus-org.blue
z.service' requested = by ':1.14102' (uid=3D6675 pid=3D12179 comm=3D"python3 /bin/blu= eman-applet ")
Feb 18 21:38:41 ourserver systemd[1]: /usr/li= b/systemd/system/bluetooth.service:22: Not an absolute path, ignoring: @sta= t
edir@
Feb 18 21:38:41 ourserver systemd[1]: /usr/lib/= systemd/system/bluetooth.service:23: Not an absolute path, ignoring: @conf<= /div>
dir@
Feb 18 21:38:43 ourserver dbus-daemon[892]: [syste= m] Activating via systemd: service name=3D'org.baseurl.DnfSystem' u= nit=3D'd
nfdaemon.service' requested by ':1.14084'= ; (uid=3D6675 pid=3D11942 comm=3D"python3 /bin/dnfdragora-updater &quo= t;)
Feb 18 21:38:43 ourserver systemd[1]: Starting Package manage= ment dnf daemon...
Feb 18 21:38:43 ourserver dbus-daemon[892]: [s= ystem] Successfully activated service 'org.baseurl.DnfSystem'
=
Feb 18 21:38:43 ourserver systemd[1]: Started Package management dnf d= aemon.
Feb 18 21:38:53 ourserver kernel: traps: caja[11928] trap = int3 ip:7fbd51c6a771 sp:7fff3feea110 error:0 in libglib-2.0.so.
0.5400.3[7fbd51c1a000+111000]
Feb 18 21:38:54 ourserver systemd[1]: Started Process Core Dump (PID 1238= 6/UID 0).
Feb 18 21:38:54 ourserver caja[12395]: [N-A] Caja-Actio= ns Tracker 1.8.3 initializing...
Feb 18 21:38:54 ourserver caja[1= 2395]: [N-A] Caja-Actions Menu Extender 1.8.3 initializing...
Feb= 18 21:39:01 ourserver systemd-coredump[12387]: Process 11928 (caja) of use= r 6675 dumped core.#012#012Stack trace of t
hread 11928:#012#0=C2= =A0 0x00007fbd51c6a771 _g_log_abort (libglib-2.0.so.0)#012#1=C2=A0 0x00007f= bd51c6cda1 g_log_writer_default (libglib-2.0.so.0)#012#2=C2=A0 0x00007fbd51= c6b30e g_log_structured_array (libglib-2.0.so.0)#012#3=C2=A0 0x00007fbd51c6= b607 g_log_structured (libglib-2.0.so.0)#012#4=C2=A0 0x00007fbd5334c1e1 _gd= k_x11_display_error_event (libgdk-3.so.0)#012#5=C2=A0 0x00007fbd53359783 gd= k_x_error (libgdk-3.so.0)#012#6=C2=A0 0x00007fbd51921e3a _XError (libX11.so= .6)#012#7=C2=A0 0x00007fbd5191ed6b handle_error (libX11.so.6)#012#8=C2=A0 0= x00007fbd5191ee15 handle_response (libX11.so.6)#012#9=C2=A0 0x00007fbd5191f= 745 _XEventsQueued (libX11.so.6)#012#10 0x00007fbd51911240 XEventsQueued (l= ibX11.so.6)#012#11 0x00007fbd527e6252 _cairo_xlib_shm_su0x00007fbd527e70fc = _cairo_xlib_surface_create_similar_shm (libcairo.so.2)#012#14 0x00007fbd527= b3f13 cairo_surface_create_similar_image (libcairo.so.2)#012#15 0x00007fbd5= 3317e4c gdk_cairo_set_source_pixbuf (libgdk-3.so.0)#012#16 0x00007fbd54885c= 22 mate_bg_create_surface (libmate-desktop-2.so.17)#012#17 0x0000559937d3d2= 4a eel_background_ensure_realized (caja)#012#18 0x0000559937d3d3c8 eel_back= ground_set_up_widget (caja)#012#19 0x0000559937d3d57e background_changed_cb= (caja)#012#20 0x00007fbd51c61577 g_idle_dispatch (libglib-2.0.so.0)#012#21= 0x00007fbd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#22 0x000= 07fbd51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#23 0x00= 007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#24 0x00007fb= d52221cad g_application_run (libgio-2.0.so.0)#012#25 0x0000559937c5f500 mai= n (caja)#012#26 0x00007fbd5056e00a __libc_start_main (libc.so.6)#012#27 0x0= 000559937c5f57a _start (caja)#012#012Stack trace of thread 12181:#012#0=C2= =A0 0x00007fbd5226759f g_file_monitor_source_handle_event (libgio-2.0.so.0)= #012#1=C2=A0 0x00007fbd5229393e ih_event_callback (libgio-2.0.so.0)#012#2= =C2=A0 0x00007fbd52292d09 ip_event_dispatch.part.4 (libgio-2.0.so.0)#012#3= =C2=A0 0x00007fbd52292f4e ip_event_callback (libgio-2.0.so.0)#012#4=C2=A0 0= x00007fbd5229229a ik_source_dispatch (libgio-2.0.so.0)#012#5=C2=A0 0x00007f= bd51c64b77 g_main_context_dispatch (libglib-2.0.so.0)#012#6=C2=A0 0x00007fb= d51c64f20 g_main_context_iterate.isra.23 (libglib-2.0.so.0)#012#7=C2=A0 0x0= 0007fbd51c64fac g_main_context_iteration (libglib-2.0.so.0)#012#8=C2=A0 0x0= 0007fbd51c64ff1 glib_worker_main (libglib-2.0.so.0)#012#9=C2=A0 0x00007fbd5= 1c8c486 g_thread_proxy (libglib-2.0.so.0)#012#10 0x00007fbd5093761b start_t= hread (libpthread.so.0)#012#11 0x00007fbd5066498f __clone (libc.so.6)#012#0= 12Stack trace of thread 12192:#012#0=C2=A0 0x00007fbd506583db __poll (libc.= so.6)#012#1=C2=A0 0x00007fbd51c64e99 g_main_context_iterate.isra.23 (libgli= b-2.0.so.0)#012#2=C2=A0 0x00007fbd51c64fac g_main_context_iteration (libgli= b-2.0.so.0)#012#3=C2=A0 0x00007fbd4079442d dconf_gdbus_worker_thread (libdc= onfsettings.so)#012#4=C2=A0 0x00007fbd51c8c486 g_thread_proxy (libglib-2.0.= so.0)#012#5=C2=A0 0x00007fbd5093761b start_thread (libpthread.so.0)#012#6= =C2=A0 0x00007fbd5066498f __clone (libc.so.6)#012#012Stack trace of thread = 12370:#012#0=C2=A0 0x00007fbd5065ebf9 syscall (libc.so.6)#012#1=C2=A0 0x000= 07fbd51caa62a g_cond_wait_until (libglib-2.0.so.0)#012#2=C2=A0 0x00007fbd51= c39381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)#012#3=C2=A0 0x0= 0007fbd51c8ce24 g_thread_pool_thread_proxy (libglib-2.0.so.0)#012#4=C2=A0 0= x00007fbd51c8c486 g_thread_proxy (libglib-2.0.so.0)#012#5=C2=A0 0x00007fbd5= 093761b start_thread (libpthread.so.0)#012#6=C2=A0 0x00007fbd5066498f __clo= ne (libc.so.6)#012#012Stack trace of thread 12182:#012#0=C2=A0 0x00007fbd50= 6583db __poll (libc.so.6)#012#1=C2=A0 0x00007fbd51c64e99 g_main_context_ite= rate.isra.23 (libglib-2.0.so.0)#012#2=C2=A0 0x00007fbd51c65232 g_main_loop_= run (libglib-2.0.so.0)#012#3=C2=A0 0x00007fbd5224db56 gdbus_shared_thread_f= unc (libgio-2.0.so.0)#012#4=C2=A0 0x00007fbd51c8c486 g_thread_proxy (libgli= b-2.0.so.0)#012#5=C2=A0 0x00007fbd5093761b start_thread (libpthread.so.0)#0= 12#6=C2=A0 0x00007fbd5066498f __clone (libc.so.6)
Feb 18 21:39:04= ourserver baloo_file[3418]: QObject::connect: invalid null parameter
=
Feb 18 21:39:04 ourserver baloo_file[5557]: QObject::connect: invalid = null parameter
Feb 18 21:39:05 ourserver baloo_file[18750]: QObje= ct::connect: invalid null parameter
Feb 18 21:39:05 ourserver bal= oo_file[17852]: QObject::connect: invalid null parameter
Feb 18 2= 1:39:06 ourserver dbus-daemon[892]: [system] Failed to activate service = 9;org.bluez': timed out (service_start_timeout=3D25000ms)
Feb= 18 21:39:08 ourserver python3[12179]: detected unhandled Python exception = in '/bin/blueman-applet'
Feb 18 21:39:21 ourserver dbus-d= aemon[892]: [system] Activating service name=3D'org.mate.SettingsDaemon= .DateTimeMechanism' requested by ':1.14131' (uid=3D6675 pid=3D1= 2336 comm=3D"/usr/libexec/mate-panel/clock-applet ") (using servi= cehelper)
Feb 18 21:39:21 ourserver dbus-daemon[892]: [system] Su= ccessfully activated service 'org.mate.SettingsDaemon.DateTimeMechanism= '
Feb 18 21:39:36 ourserver abrt-notification[12723]: Process= 11928 (caja) crashed in gdk_x_error()
Feb 18 21:39:36 ourserver = abrt-server[12509]: Deleting problem directory Python3-2018-02-18-21:39:08-= 12179 (dup of Python3-2018-02-15-18:40:16-3479)
Feb 18 21:39:37 o= urserver abrt-notification[12735]: Process 3479 (blueman-applet) of user 66= 75 encountered an uncaught GLib.GError exception
Feb 18 21:41:02 = ourserver automount[31776]: add_host_addrs: hostname lookup failed: No addr= ess associated with hostname
Feb 18 21:41:43 ourserver PackageKit= [15297]: search-file transaction /12276_bcdacbee from uid 6675 finished wit= h success after 408ms
Feb 18 21:45:50 ourserver baloo_file[5557]:= QObject::connect: invalid null parameter
Feb 18 21:45:51 ourserv= er baloo_file[17852]: QObject::connect: invalid null parameter
Fe= b 18 21:45:51 ourserver baloo_file[3418]: QObject::connect: invalid null pa= rameter
Feb 18 21:45:51 ourserver baloo_file[18750]: QObject::con= nect: invalid null parameter
Feb 18 21:46:01 ourserver /usr/bin/x= 2gosuspend-session[14346]: session with ID ouruser-327-1519007899_stDMATE_d= p32 has been suspended successfully
Feb 18 21:46:02 ourserver sys= temd-logind[1945]: Removed session 4273.
Feb 18 21:46:02 ourserve= r systemd[1]: Stopping User Manager for UID 6675...

I figured I'd include what I could get from a gdb on the Mate core fi= le:
warning: core file may not match specified executable file.
Reading symbols from /usr/libexec/mate-notification-daemon...R= eading symbols from /usr/lib/debug/usr/libexec/mate-notification-daemon-1.1= 9.1-1.fc27.x86_64.debug...done.
done.
warning: Ignoring= non-absolute filename: <linux-vdso.so.1>
Missing separ= ate debuginfo for linux-vdso.so.1
Try: dnf --enablerepo=3D'*d= ebug*' install /usr/lib/debug/.build-id/34/aef3552ea0558533a32c64cecbea= 32c5a96c52
Missing separate debuginfo for /lib64/libwayland-egl.s= o.1
Try: dnf --enablerepo=3D'*debug*' install /usr/lib/de= bug/.build-id/34/03db48ea562a74e13d645554fe90b7cbdb138f

warning: .dynamic section for "/lib64/libwayland-egl.so.1" = is not at the expected address (wrong library or version mismatch?)
[Thread debugging using libthread_db enabled]
Using host libth= read_db library "/lib64/libthread_db.so.1".
Core was ge= nerated by `/usr/libexec/mate-notification-daemon'.
Program t= erminated with signal SIGTRAP, Trace/breakpoint trap.
#0=C2=A0 _g= _log_abort (breakpoint=3Dbreakpoint@entry=3D1) at gmessages.c:554
554 }


=
--001a11409824aa922a0565a6b76e-- ------------=_1520481604-6960-0-- From unknown Thu Mar 28 21:38:24 2024 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@bugs.x2go.org From: Debbugs Internal Request Subject: Internal Control Message-Id: Bug archived. Date: Thu, 05 Apr 2018 05:24:02 +0000 User-Agent: Fakemail v42.6.9 # A New Hope # A long time ago, in a galaxy far, far away # something happened. # # Magically this resulted in the following # action being taken, but this fake control # message doesn't tell you why it happened # # The action: # Bug archived. thanks # This fakemail brought to you by your local debbugs # administrator