Application: konqueror (5.0.97)

Qt Version: 5.9.5
Frameworks Version: 5.47.0
Operating System: Linux 5.3.0-18-generic x86_64
Distribution: Ubuntu 18.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I try to drag window from a screen to another, then the window disappeared and the crash prompt surfaced.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3ad9e58840 (LWP 31020))]

Thread 7 (Thread 0x7f3aaffff700 (LWP 31027)):
#0  0x00007f3acee009f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db18913e98) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55db18913e48, cond=0x55db18913e70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55db18913e70, mutex=0x55db18913e48) at pthread_cond_wait.c:655
#3  0x00007f3abac1decb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f3abac1dab7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f3acedfa6db in start_thread (arg=0x7f3aaffff700) at pthread_create.c:463
#6  0x00007f3ad96b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f3ab88c8700 (LWP 31026)):
#0  0x00007f3acee009f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db18913e98) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55db18913e48, cond=0x55db18913e70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55db18913e70, mutex=0x55db18913e48) at pthread_cond_wait.c:655
#3  0x00007f3abac1decb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f3abac1dab7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f3acedfa6db in start_thread (arg=0x7f3ab88c8700) at pthread_create.c:463
#6  0x00007f3ad96b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f3ab90c9700 (LWP 31025)):
#0  0x00007f3acee009f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db18913e98) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55db18913e48, cond=0x55db18913e70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55db18913e70, mutex=0x55db18913e48) at pthread_cond_wait.c:655
#3  0x00007f3abac1decb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f3abac1dab7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f3acedfa6db in start_thread (arg=0x7f3ab90c9700) at pthread_create.c:463
#6  0x00007f3ad96b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f3ab98ca700 (LWP 31024)):
#0  0x00007f3acee009f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db18913e98) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55db18913e48, cond=0x55db18913e70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55db18913e70, mutex=0x55db18913e48) at pthread_cond_wait.c:655
#3  0x00007f3abac1decb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f3abac1dab7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f3acedfa6db in start_thread (arg=0x7f3ab98ca700) at pthread_create.c:463
#6  0x00007f3ad96b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f3ac10f2700 (LWP 31023)):
#0  0x00007f3ad96a5bf9 in __GI___poll (fds=0x7f3ab4013bb0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3accecf5c9 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f3ab4013bb0, timeout=<optimized out>, context=0x7f3ab4000bf0) at ../../../../glib/gmain.c:4203
#2  g_main_context_iterate (context=context@entry=0x7f3ab4000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3897
#3  0x00007f3accecf6dc in g_main_context_iteration (context=0x7f3ab4000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3963
#4  0x00007f3ad3f8f99b in QEventDispatcherGlib::processEvents (this=0x7f3ab4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f3ad3f349fa in QEventLoop::exec (this=this@entry=0x7f3ac10f1d30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f3ad3d5323a in QThread::exec (this=this@entry=0x7f3ad5cccd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:515
#7  0x00007f3ad5a59d45 in QDBusConnectionManager::run (this=0x7f3ad5cccd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f3ad3d5817d in QThreadPrivate::start (arg=0x7f3ad5cccd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#9  0x00007f3acedfa6db in start_thread (arg=0x7f3ac10f2700) at pthread_create.c:463
#10 0x00007f3ad96b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f3ac35c7700 (LWP 31022)):
#0  0x00007f3ad96a5bf9 in __GI___poll (fds=fds@entry=0x7f3ac35c6c68, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3ace771747 in poll (__timeout=-1, __nfds=1, __fds=0x7f3ac35c6c68) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x55db1875f000, cond=cond@entry=0x55db1875f040, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3  0x00007f3ace77336a in xcb_wait_for_event (c=0x55db1875f000) at ../../src/xcb_in.c:697
#4  0x00007f3ac5d4a5e9 in QXcbEventReader::run (this=0x55db1876a680) at qxcbconnection.cpp:1330
#5  0x00007f3ad3d5817d in QThreadPrivate::start (arg=0x55db1876a680) at thread/qthread_unix.cpp:368
#6  0x00007f3acedfa6db in start_thread (arg=0x7f3ac35c7700) at pthread_create.c:463
#7  0x00007f3ad96b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f3ad9e58840 (LWP 31020)):
[KCrash Handler]
#6  QWidgetWindow::handleMouseEvent (this=this@entry=0x55db19de60f0, event=event@entry=0x7ffc5cc6a6e0) at kernel/qwidgetwindow.cpp:634
#7  0x00007f3ad51627da in QWidgetWindow::event (this=0x55db19de60f0, event=0x7ffc5cc6a6e0) at kernel/qwidgetwindow.cpp:250
#8  0x00007f3ad510683c in QApplicationPrivate::notify_helper (this=this@entry=0x55db1874efb0, receiver=receiver@entry=0x55db19de60f0, e=e@entry=0x7ffc5cc6a6e0) at kernel/qapplication.cpp:3722
#9  0x00007f3ad510e104 in QApplication::notify (this=0x7ffc5cc6ab70, receiver=0x55db19de60f0, e=0x7ffc5cc6a6e0) at kernel/qapplication.cpp:3481
#10 0x00007f3ad3f369c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x55db19de60f0, event=event@entry=0x7ffc5cc6a6e0) at kernel/qcoreapplication.cpp:1024
#11 0x00007f3ad4746583 in QCoreApplication::sendSpontaneousEvent (event=0x7ffc5cc6a6e0, receiver=0x55db19de60f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#12 QGuiApplicationPrivate::processMouseEvent (e=0x55db1b0dab10) at kernel/qguiapplication.cpp:1952
#13 0x00007f3ad4748055 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x55db1b0dab10) at kernel/qguiapplication.cpp:1733
#14 0x00007f3ad471f2eb in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:946
#15 0x00007f3ac5daf260 in userEventSourceDispatch (source=source@entry=0x55db187936b0) at qeventdispatcher_glib.cpp:77
#16 0x00007f3accecf417 in g_main_dispatch (context=0x7f3abc004ff0) at ../../../../glib/gmain.c:3176
#17 g_main_context_dispatch (context=context@entry=0x7f3abc004ff0) at ../../../../glib/gmain.c:3829
#18 0x00007f3accecf650 in g_main_context_iterate (context=context@entry=0x7f3abc004ff0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3902
#19 0x00007f3accecf6dc in g_main_context_iteration (context=0x7f3abc004ff0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3963
#20 0x00007f3ad3f8f97f in QEventDispatcherGlib::processEvents (this=0x55db187a3d20, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#21 0x00007f3ad3f349fa in QEventLoop::exec (this=this@entry=0x7ffc5cc6aa90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#22 0x00007f3ad3f3daa4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1297
#23 0x00007f3ad9a53574 in kdemain (argc=<optimized out>, argv=<optimized out>) at ./src/konqmain.cpp:263
#24 0x00007f3ad95b2b97 in __libc_start_main (main=0x55db17be6780 <main>, argc=2, argv=0x7ffc5cc6acf8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc5cc6ace8) at ../csu/libc-start.c:310
#25 0x000055db17be67ba in _start ()

Possible duplicates by query: bug 413345, bug 411151, bug 407943, bug 404702, bug 403064.

Reported using DrKonqi