Jul 07 16:29:36 octopus systemd-coredump[4637]: Process 2739 (kactivitymanage) of user 501 dumped core. Stack trace of thread 2739: #0 0x00007fae35787ce1 _ZN12QSqlDatabase5closeEv (libQt5Sql.so.5) #1 0x00007fae3578a359 _ZN12QSqlDatabaseD1Ev (libQt5Sql.so.5) #2 0x00007fae3578d04d n/a (libQt5Sql.so.5) #3 0x00007fae5427f109 _ZN9QHashData11free_helperEPFvPNS_4NodeEE (libQt5Core.so.5) #4 0x00007fae35787a37 n/a (libQt5Sql.so.5) #5 0x00007fae53a81be8 __run_exit_handlers (libc.so.6) #6 0x00007fae53a81c35 exit (libc.so.6) #7 0x00007fae4aa8fbc3 _ZN14QXcbConnection16processXcbEventsEv (libQt5XcbQpa.so.5) #8 0x00007fae54427349 _ZN7QObject5eventEP6QEvent (libQt5Core.so.5) #9 0x00007fae5512fe3c _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5) #10 0x00007fae551375b1 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5) #11 0x00007fae543fac80 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5) #12 0x00007fae543fd3fd _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt5Core.so.5) #13 0x00007fae5444f173 n/a (libQt5Core.so.5) #14 0x00007fae51605dd7 g_main_context_dispatch (libglib-2.0.so.0) #15 0x00007fae51606040 n/a (libglib-2.0.so.0) #16 0x00007fae516060ec g_main_context_iteration (libglib-2.0.so.0) #17 0x00007fae5444f57f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #18 0x00007fae543f90da _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #19 0x00007fae544015cc _ZN16QCoreApplication4execEv (libQt5Core.so.5) #20 0x0000000000411367 main (kactivitymanagerd) #21 0x00007fae53a6c741 __libc_start_main (libc.so.6) #22 0x00000000004114a9 _start (kactivitymanagerd) Stack trace of thread 2766: #0 0x00007fae53b2a6cd poll (libc.so.6) #1 0x00007fae51605fd6 n/a (libglib-2.0.so.0) #2 0x00007fae516060ec g_main_context_iteration (libglib-2.0.so.0) #3 0x00007fae5444f57f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #4 0x00007fae543f90da _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00007fae5421c0f3 _ZN7QThread4execEv (libQt5Core.so.5) #6 0x000000000041348a _ZZ12runInQThreadI10ActivitiesEPT_vEN6Thread3runEv (kactivitymanagerd) #7 0x00007fae54220d78 n/a (libQt5Core.so.5) #8 0x00007fae52ccc484 start_thread (libpthread.so.0) #9 0x00007fae53b336dd __clone (libc.so.6) Stack trace of thread 2764: #0 0x00007fae53b2a6cd poll (libc.so.6) #1 0x00007fae51605fd6 n/a (libglib-2.0.so.0) #2 0x00007fae516060ec g_main_context_iteration (libglib-2.0.so.0) #3 0x00007fae5444f59b _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #4 0x00007fae543f90da _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00007fae5421c0f3 _ZN7QThread4execEv (libQt5Core.so.5) #6 0x000000000041345a _ZZ12runInQThreadI9ResourcesEPT_vEN6Thread3runEv (kactivitymanagerd) #7 0x00007fae54220d78 n/a (libQt5Core.so.5) #8 0x00007fae52ccc484 start_thread (libpthread.so.0) #9 0x00007fae53b336dd __clone (libc.so.6) Stack trace of thread 2767: #0 0x00007fae53b2a6cd poll (libc.so.6) #1 0x00007fae51605fd6 n/a (libglib-2.0.so.0) #2 0x00007fae516060ec g_main_context_iteration (libglib-2.0.so.0) #3 0x00007fae5444f59b _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #4 0x00007fae543f90da _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00007fae5421c0f3 _ZN7QThread4execEv (libQt5Core.so.5) #6 0x00000000004134ba _ZZ12runInQThreadI8FeaturesEPT_vEN6Thread3runEv (kactivitymanagerd) #7 0x00007fae54220d78 n/a (libQt5Core.so.5) #8 0x00007fae52ccc484 start_thread (libpthread.so.0) #9 0x00007fae53b336dd __clone (libc.so.6) Stack trace of thread 2756: #0 0x00007fae53b2a6cd poll (libc.so.6) #1 0x00007fae51605fd6 n/a (libglib-2.0.so.0) #2 0x00007fae516060ec g_main_context_iteration (libglib-2.0.so.0) #3 0x00007fae5444f59b _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #4 0x00007fae543f90da _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00007fae5421c0f3 _ZN7QThread4execEv (libQt5Core.so.5) #6 0x00007fae54d66e75 n/a (libQt5DBus.so.5) #7 0x00007fae54220d78 n/a (libQt5Core.so.5) #8 0x00007fae52ccc484 start_thread (libpthread.so.0) #9 0x00007fae53b336dd __clone (libc.so.6) Jul 07 16:29:38 octopus drkonqi[4645]: QXcbConnection: Could not connect to display :0 Jul 07 16:29:38 octopus kdeinit5[4647]: QXcbConnection: Could not connect to display :0 Jul 07 16:29:39 octopus systemd[1]: Started Process Core Dump (PID 4649/UID 0). Jul 07 16:29:39 octopus systemd[1]: Started Process Core Dump (PID 4650/UID 0). Jul 07 16:29:39 octopus systemd-coredump[4651]: Process 4647 (klauncher) of user 501 dumped core. Stack trace of thread 4647: #0 0x00007f018b767295 raise (libc.so.6) #1 0x00007f018b7686da abort (libc.so.6) #2 0x00007f018bb684a1 _ZNK14QMessageLogger5fatalEPKcz (libQt5Core.so.5) #3 0x00007f017a36058e _ZN14QXcbConnectionC1EP19QXcbNativeInterfacebjPKc (libQt5XcbQpa.so.5) #4 0x00007f017a36374e _ZN15QXcbIntegrationC1ERK11QStringListRiPPc (libQt5XcbQpa.so.5) #5 0x00007f017a62332d n/a (libqxcb.so) #6 0x00007f018c29504d _ZN27QPlatformIntegrationFactory6createERK7QStringRK11QStringListRiPPcS2_ (libQt5Gui.so.5) #7 0x00007f018c2a3252 _ZN22QGuiApplicationPrivate25createPlatformIntegrationEv (libQt5Gui.so.5) #8 0x00007f018c2a3ced _ZN22QGuiApplicationPrivate21createEventDispatcherEv (libQt5Gui.so.5) #9 0x00007f018bd623bf _ZN23QCoreApplicationPrivate4initEv (libQt5Core.so.5) #10 0x00007f018c2a57af _ZN22QGuiApplicationPrivate4initEv (libQt5Gui.so.5) #11 0x00007f018c2a6414 _ZN15QGuiApplicationC2ERiPPci (libQt5Gui.so.5) #12 0x00007f017a83611a kdemain (libkdeinit5_klauncher.so) #13 0x0000000000408803 n/a (kdeinit5) #14 0x000000000040559f n/a (kdeinit5) #15 0x00007f018b754741 __libc_start_main (libc.so.6) #16 0x0000000000405a89 _start (kdeinit5) Jul 07 16:29:39 octopus systemd-coredump[4653]: Process 4645 (drkonqi) of user 501 dumped core. Stack trace of thread 4645: #0 0x00007f8b03d7e295 raise (libc.so.6) #1 0x00007f8b03d7f6da abort (libc.so.6) #2 0x00007f8b045064a1 _ZNK14QMessageLogger5fatalEPKcz (libQt5Core.so.5) #3 0x00007f8af88c158e _ZN14QXcbConnectionC1EP19QXcbNativeInterfacebjPKc (libQt5XcbQpa.so.5) #4 0x00007f8af88c474e _ZN15QXcbIntegrationC1ERK11QStringListRiPPc (libQt5XcbQpa.so.5) #5 0x00007f8af8b8432d n/a (libqxcb.so) #6 0x00007f8b04c3304d _ZN27QPlatformIntegrationFactory6createERK7QStringRK11QStringListRiPPcS2_ (libQt5Gui.so.5) #7 0x00007f8b04c41252 _ZN22QGuiApplicationPrivate25createPlatformIntegrationEv (libQt5Gui.so.5) #8 0x00007f8b04c41ced _ZN22QGuiApplicationPrivate21createEventDispatcherEv (libQt5Gui.so.5) #9 0x00007f8b047003bf _ZN23QCoreApplicationPrivate4initEv (libQt5Core.so.5) #10 0x00007f8b04c437af _ZN22QGuiApplicationPrivate4initEv (libQt5Gui.so.5) #11 0x00007f8b053deae9 _ZN19QApplicationPrivate4initEv (libQt5Widgets.so.5) #12 0x000000000041c629 n/a (drkonqi) #13 0x00007f8b03d6b741 __libc_start_main (libc.so.6) #14 0x000000000041d6c9 _start (drkonqi)