Process 4660 (qtcreator) of user 1000 dumped core. Stack trace of thread 4660: #0 0x00007f2ddd10c9e5 raise (libc.so.6 + 0x3c9e5) #1 0x00007f2ddd0f5895 abort (libc.so.6 + 0x25895) #2 0x00007f2ddd55aa7f _ZNK14QMessageLogger5fatalEPKcz (libQt5Core.so.5 + 0x91a7f) #3 0x00007f2dccaf7e44 _ZNK15QtWaylandClient15QWaylandDisplay10checkErrorEv (libQt5WaylandClient.so.5 + 0x69e44) #4 0x00007f2dccaf7e9e _ZN15QtWaylandClient15QWaylandDisplay13flushRequestsEv (libQt5WaylandClient.so.5 + 0x69e9e) #5 0x00007f2ddd752fb0 _Z10doActivateILb0EEvP7QObjectiPPv (libQt5Core.so.5 + 0x289fb0) #6 0x00007f2ddd755f4c _ZN15QSocketNotifier9activatedEiNS_14QPrivateSignalE (libQt5Core.so.5 + 0x28cf4c) #7 0x00007f2ddd7562f1 _ZN15QSocketNotifier5eventEP6QEvent (libQt5Core.so.5 + 0x28d2f1) #8 0x00007f2dde248063 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 + 0x172063) #9 0x00007f2ddd723fc0 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x25afc0) #10 0x00007f2ddd7705d7 _ZL28socketNotifierSourceDispatchP8_GSourcePFiPvES1_ (libQt5Core.so.5 + 0x2a75d7) #11 0x00007f2ddbe5e78f g_main_context_dispatch (libglib-2.0.so.0 + 0x5278f) #12 0x00007f2ddbe5eb18 g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52b18) #13 0x00007f2ddbe5ebe3 g_main_context_iteration (libglib-2.0.so.0 + 0x52be3) #14 0x00007f2ddd76fb73 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2a6b73) #15 0x00007f2ddd72291b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x25991b) #16 0x00007f2ddd72a5a6 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2615a6) #17 0x0000563f061f3d5a main (qtcreator + 0xbd5a) #18 0x00007f2ddd0f7042 __libc_start_main (libc.so.6 + 0x27042) #19 0x0000563f061f450e _start (qtcreator + 0xc50e) Stack trace of thread 4665: #0 0x00007f2ddd1c6aaf __poll (libc.so.6 + 0xf6aaf) #1 0x00007f2ddbe5eaae g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52aae) #2 0x00007f2ddbe5ebe3 g_main_context_iteration (libglib-2.0.so.0 + 0x52be3) #3 0x00007f2dccbbbfbd dconf_gdbus_worker_thread (libdconfsettings.so + 0xafbd) #4 0x00007f2ddbe887f2 g_thread_proxy (libglib-2.0.so.0 + 0x7c7f2) #5 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #6 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4663: #0 0x00007f2ddd1c6aaf __poll (libc.so.6 + 0xf6aaf) #1 0x00007f2ddbe5eaae g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52aae) #2 0x00007f2ddbe5ebe3 g_main_context_iteration (libglib-2.0.so.0 + 0x52be3) #3 0x00007f2ddbe5ec31 glib_worker_main (libglib-2.0.so.0 + 0x52c31) #4 0x00007f2ddbe887f2 g_thread_proxy (libglib-2.0.so.0 + 0x7c7f2) #5 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #6 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4667: #0 0x00007f2ddd4b4e92 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe92) #1 0x00007f2dbae3d57b util_queue_thread_func (iris_dri.so + 0x4b157b) #2 0x00007f2dbae3d04b impl_thrd_routine (iris_dri.so + 0x4b104b) #3 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #4 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4669: #0 0x00007f2ddd4b4e92 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe92) #1 0x00007f2dbae3d57b util_queue_thread_func (iris_dri.so + 0x4b157b) #2 0x00007f2dbae3d04b impl_thrd_routine (iris_dri.so + 0x4b104b) #3 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #4 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4847: #0 0x00007f2ddd4b51b8 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0x101b8) #1 0x00007f2ddd594d0a _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xcbd0a) #2 0x00007f2ddd594e0b _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5 + 0xcbe0b) #3 0x00007f2ddd592f45 _ZN17QThreadPoolThread3runEv (libQt5Core.so.5 + 0xc9f45) #4 0x00007f2ddd58f690 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xc6690) #5 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #6 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4671: #0 0x00007f2ddd1c6aaf __poll (libc.so.6 + 0xf6aaf) #1 0x00007f2ddbe5eaae g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52aae) #2 0x00007f2ddbe5ebe3 g_main_context_iteration (libglib-2.0.so.0 + 0x52be3) #3 0x00007f2ddd76fb73 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2a6b73) #4 0x00007f2ddd72291b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x25991b) #5 0x00007f2ddd58e427 _ZN7QThread4execEv (libQt5Core.so.5 + 0xc5427) #6 0x00007f2dcc9c251b _ZN22QDBusConnectionManager3runEv (libQt5DBus.so.5 + 0x1951b) #7 0x00007f2ddd58f690 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xc6690) #8 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #9 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4675: #0 0x00007f2ddd1c6aaf __poll (libc.so.6 + 0xf6aaf) #1 0x00007f2ddbe5eaae g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52aae) #2 0x00007f2ddbe5ebe3 g_main_context_iteration (libglib-2.0.so.0 + 0x52be3) #3 0x00007f2ddd76fb73 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2a6b73) #4 0x00007f2ddd72291b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x25991b) #5 0x00007f2ddd58e427 _ZN7QThread4execEv (libQt5Core.so.5 + 0xc5427) #6 0x00007f2ddd58f690 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xc6690) #7 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #8 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4842: #0 0x00007f2ddd4b51b8 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0x101b8) #1 0x00007f2ddd594d0a _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xcbd0a) #2 0x00007f2ddd594e0b _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5 + 0xcbe0b) #3 0x00007f2ddd592f45 _ZN17QThreadPoolThread3runEv (libQt5Core.so.5 + 0xc9f45) #4 0x00007f2ddd58f690 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xc6690) #5 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #6 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4832: #0 0x00007f2ddd4b51b8 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0x101b8) #1 0x00007f2ddd594d0a _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xcbd0a) #2 0x00007f2ddd594e0b _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5 + 0xcbe0b) #3 0x00007f2ddd592f45 _ZN17QThreadPoolThread3runEv (libQt5Core.so.5 + 0xc9f45) #4 0x00007f2ddd58f690 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xc6690) #5 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #6 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4678: #0 0x00007f2ddd1c6aaf __poll (libc.so.6 + 0xf6aaf) #1 0x00007f2ddbe5eaae g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52aae) #2 0x00007f2ddbe5ebe3 g_main_context_iteration (libglib-2.0.so.0 + 0x52be3) #3 0x00007f2ddd76fb73 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2a6b73) #4 0x00007f2ddd72291b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x25991b) #5 0x00007f2ddd58e427 _ZN7QThread4execEv (libQt5Core.so.5 + 0xc5427) #6 0x00007f2ddd58f690 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xc6690) #7 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #8 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4664: #0 0x00007f2ddd1c6aaf __poll (libc.so.6 + 0xf6aaf) #1 0x00007f2ddbe5eaae g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52aae) #2 0x00007f2ddbe5ee33 g_main_loop_run (libglib-2.0.so.0 + 0x52e33) #3 0x00007f2dcbe516aa gdbus_shared_thread_func (libgio-2.0.so.0 + 0x1226aa) #4 0x00007f2ddbe887f2 g_thread_proxy (libglib-2.0.so.0 + 0x7c7f2) #5 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #6 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4670: #0 0x00007f2ddd4b4e92 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe92) #1 0x00007f2dbae3d57b util_queue_thread_func (iris_dri.so + 0x4b157b) #2 0x00007f2dbae3d04b impl_thrd_routine (iris_dri.so + 0x4b104b) #3 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #4 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4668: #0 0x00007f2ddd4b4e92 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe92) #1 0x00007f2dbae3d57b util_queue_thread_func (iris_dri.so + 0x4b157b) #2 0x00007f2dbae3d04b impl_thrd_routine (iris_dri.so + 0x4b104b) #3 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #4 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913) Stack trace of thread 4677: #0 0x00007f2ddd1c6aaf __poll (libc.so.6 + 0xf6aaf) #1 0x00007f2ddbe5eaae g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0x52aae) #2 0x00007f2ddbe5ebe3 g_main_context_iteration (libglib-2.0.so.0 + 0x52be3) #3 0x00007f2ddd76fb73 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2a6b73) #4 0x00007f2ddd72291b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x25991b) #5 0x00007f2ddd58e427 _ZN7QThread4execEv (libQt5Core.so.5 + 0xc5427) #6 0x00007f2ddd58f690 _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xc6690) #7 0x00007f2ddd4ae432 start_thread (libpthread.so.0 + 0x9432) #8 0x00007f2ddd1d1913 __clone (libc.so.6 + 0x101913)