Application: dolphin (19.04.3)

Qt Version: 5.12.3
Frameworks Version: 5.60.0
Operating System: Linux 4.18.0-25-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
- What I was doing when the application crashed: I open a binary that has executed normally, but dolphin crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd8c181a240 (LWP 11701))]

Thread 4 (Thread 0x7fd897c10700 (LWP 11705)):
#0  0x00007fd8c1098bf9 in __GI___poll (fds=0x7fd890004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd8b32f45c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd8b32f46dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd8baf9cdcb in QEventDispatcherGlib::processEvents (this=0x7fd890000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd8baf3e03a in QEventLoop::exec (this=this@entry=0x7fd897c0fda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fd8bad654ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fd8bad66c72 in QThreadPrivate::start (arg=0x5652ab45d1b0) at thread/qthread_unix.cpp:361
#7  0x00007fd8b56dd6db in start_thread (arg=0x7fd897c10700) at pthread_create.c:463
#8  0x00007fd8c10a588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fd8a0c43700 (LWP 11704)):
#0  0x00007fd8b56e39f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5652aaed0238) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5652aaed01e8, cond=0x5652aaed0210) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5652aaed0210, mutex=0x5652aaed01e8) at pthread_cond_wait.c:655
#3  0x00007fd8a1e4e31a in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fd8a1e4e047 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd8b56dd6db in start_thread (arg=0x7fd8a0c43700) at pthread_create.c:463
#6  0x00007fd8c10a588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fd8a9af3700 (LWP 11703)):
#0  0x00007fd8c1098bf9 in __GI___poll (fds=0x7fd8a4003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd8b32f45c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd8b32f46dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd8baf9cdcb in QEventDispatcherGlib::processEvents (this=0x7fd8a4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd8baf3e03a in QEventLoop::exec (this=this@entry=0x7fd8a9af2d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fd8bad654ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fd8bb40b015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fd8bad66c72 in QThreadPrivate::start (arg=0x7fd8bb682d80) at thread/qthread_unix.cpp:361
#8  0x00007fd8b56dd6db in start_thread (arg=0x7fd8a9af3700) at pthread_create.c:463
#9  0x00007fd8c10a588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd8c181a240 (LWP 11701)):
[KCrash Handler]
#6  0x00007fd8abb3ecf9 in wl_proxy_marshal () from /usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#7  0x00007fd8abfc429a in wl_surface_damage (height=<optimized out>, width=<optimized out>, y=<optimized out>, x=<optimized out>, wl_surface=<optimized out>) at ../../include/QtWaylandClient/5.12.3/QtWaylandClient/private/../../../../../src/client/wayland-wayland-client-protocol.h:2753
#8  QtWayland::wl_surface::damage (this=<optimized out>, x=<optimized out>, y=<optimized out>, width=<optimized out>, height=<optimized out>) at qwayland-wayland.cpp:1124
#9  0x00007fd8abfa7474 in QtWaylandClient::QWaylandWindow::damage (this=<optimized out>, rect=...) at qwaylandwindow.cpp:565
#10 0x00007fd8abfb1a69 in QtWaylandClient::QWaylandAbstractDecoration::contentImage (this=0x5652abcfbfc0) at qwaylandabstractdecoration.cpp:134
#11 0x00007fd8abf9ea1b in QtWaylandClient::QWaylandShmBackingStore::updateDecorations (this=this@entry=0x5652ab5ed4d0) at qwaylandshmbackingstore.cpp:323
#12 0x00007fd8abf9efe0 in QtWaylandClient::QWaylandShmBackingStore::flush (this=this@entry=0x5652ab5ed4d0, window=window@entry=0x5652ab111530, region=..., offset=...) at qwaylandshmbackingstore.cpp:232
#13 0x00007fd8bbb844e5 in QBackingStore::flush (this=this@entry=0x5652ab2ffb90, region=..., window=0x5652ab111530, offset=...) at painting/qbackingstore.cpp:249
#14 0x00007fd8bc214493 in QWidgetBackingStore::qt_flush (widget=0x5652aaf3f020, region=..., backingStore=0x5652ab2ffb90, tlw=0x5652aaf3f020, widgetTextures=<optimized out>, widgetBackingStore=<optimized out>) at kernel/qwidgetbackingstore.cpp:159
#15 0x00007fd8bc215b84 in QWidgetBackingStore::flush (this=this@entry=0x5652ab2ffbb0, widget=widget@entry=0x0) at kernel/qwidgetbackingstore.cpp:1442
#16 0x00007fd8bc21727b in QWidgetBackingStore::endPaint (beginPaintInfo=<synthetic pointer>, backingStore=<optimized out>, cleaned=..., this=0x5652ab2ffbb0) at kernel/qwidgetbackingstore.cpp:363
#17 QWidgetBackingStore::doSync (this=this@entry=0x5652ab2ffbb0) at kernel/qwidgetbackingstore.cpp:1426
#18 0x00007fd8bc2174a5 in QWidgetBackingStore::sync (this=0x5652ab2ffbb0) at kernel/qwidgetbackingstore.cpp:1204
#19 0x00007fd8bc22f8bf in QWidgetPrivate::syncBackingStore (this=0x5652aaeecee0) at kernel/qwidget.cpp:1961
#20 0x00007fd8bc247b38 in QWidget::event (this=this@entry=0x5652aaf3f020, event=event@entry=0x5652aaf92df0) at kernel/qwidget.cpp:9261
#21 0x00007fd8bc350e50 in QMainWindow::event (this=this@entry=0x5652aaf3f020, event=event@entry=0x5652aaf92df0) at widgets/qmainwindow.cpp:1339
#22 0x00007fd8beb1fa11 in KMainWindow::event (this=this@entry=0x5652aaf3f020, ev=ev@entry=0x5652aaf92df0) at ./src/kmainwindow.cpp:877
#23 0x00007fd8beb65935 in KXmlGuiWindow::event (this=0x5652aaf3f020, ev=0x5652aaf92df0) at ./src/kxmlguiwindow.cpp:125
#24 0x00007fd8bc20765c in QApplicationPrivate::notify_helper (this=this@entry=0x5652aaeaae50, receiver=receiver@entry=0x5652aaf3f020, e=e@entry=0x5652aaf92df0) at kernel/qapplication.cpp:3736
#25 0x00007fd8bc20eb90 in QApplication::notify (this=0x7ffedd7a6510, receiver=0x5652aaf3f020, e=0x5652aaf92df0) at kernel/qapplication.cpp:3483
#26 0x00007fd8baf3fd18 in QCoreApplication::notifyInternal2 (receiver=0x5652aaf3f020, event=0x5652aaf92df0) at kernel/qcoreapplication.cpp:1060
#27 0x00007fd8baf3feee in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x5652aaf92df0) at kernel/qcoreapplication.cpp:1450
#28 0x00007fd8baf428d7 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x5652aaf3f020, event_type=event_type@entry=77, data=0x5652aaea0c10) at kernel/qcoreapplication.cpp:1799
#29 0x00007fd8baf42e78 in QCoreApplication::sendPostedEvents (receiver=<optimized out>, event_type=event_type@entry=77) at kernel/qcoreapplication.cpp:1653
#30 0x00007fd8bc50e852 in QGraphicsViewPrivate::dispatchPendingUpdateRequests (this=<optimized out>) at ../../include/QtWidgets/5.12.3/QtWidgets/private/../../../../../src/widgets/graphicsview/qgraphicsview_p.h:203
#31 QGraphicsScenePrivate::_q_processDirtyItems (this=0x5652ab3962f0) at graphicsview/qgraphicsscene.cpp:508
#32 0x00007fd8bc513889 in QGraphicsScene::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qgraphicsscene.cpp:186
#33 0x00007fd8baf703e2 in QObject::event (this=this@entry=0x5652ab45d990, e=e@entry=0x5652abcfd4b0) at kernel/qobject.cpp:1260
#34 0x00007fd8bc51f14b in QGraphicsScene::event (this=0x5652ab45d990, event=0x5652abcfd4b0) at graphicsview/qgraphicsscene.cpp:3528
#35 0x00007fd8bc20765c in QApplicationPrivate::notify_helper (this=this@entry=0x5652aaeaae50, receiver=receiver@entry=0x5652ab45d990, e=e@entry=0x5652abcfd4b0) at kernel/qapplication.cpp:3736
#36 0x00007fd8bc20eb90 in QApplication::notify (this=0x7ffedd7a6510, receiver=0x5652ab45d990, e=0x5652abcfd4b0) at kernel/qapplication.cpp:3483
#37 0x00007fd8baf3fd18 in QCoreApplication::notifyInternal2 (receiver=0x5652ab45d990, event=0x5652abcfd4b0) at kernel/qcoreapplication.cpp:1060
#38 0x00007fd8baf3feee in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x5652abcfd4b0) at kernel/qcoreapplication.cpp:1450
#39 0x00007fd8baf428d7 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x5652aaea0c10) at kernel/qcoreapplication.cpp:1799
#40 0x00007fd8baf42e78 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1653
#41 0x00007fd8baf9d793 in postEventSourceDispatch (s=0x5652aaec9c20) at kernel/qeventdispatcher_glib.cpp:276
#42 0x00007fd8b32f4417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fd8b32f4650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007fd8b32f46dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007fd8baf9cdaf in QEventDispatcherGlib::processEvents (this=0x5652aaed9aa0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#46 0x00007fd8baf3e03a in QEventLoop::exec (this=this@entry=0x7ffedd7a6410, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#47 0x00007fd8baf47170 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1363
#48 0x00007fd8bb9caa7c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1779
#49 0x00007fd8bc2075b5 in QApplication::exec () at kernel/qapplication.cpp:2893
#50 0x00007fd8c13b8d21 in kdemain (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:168
#51 0x00007fd8c0fa5b97 in __libc_start_main (main=0x5652aa7cd720 <main>, argc=1, argv=0x7ffedd7a6698, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffedd7a6688) at ../csu/libc-start.c:310
#52 0x00005652aa7cd75a in _start ()

Possible duplicates by query: bug 409252, bug 409188.

Reported using DrKonqi