Application: kdeinit5 (17.12.2)

Qt Version: 5.9.4
Frameworks Version: 5.42.0
Operating System: Linux 4.14.78-desktop-1.mga6 x86_64
Distribution: "Mageia 6"

-- Information about the crash:
- What I was doing when the application crashed:
Closing Dolphin using the close button at top-right of the window

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
84	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f3ef75fa800 (LWP 31211))]

Thread 2 (Thread 0x7f3eda8d7700 (LWP 31214)):
#0  0x00007ffedc2db977 in  ()
#1  0x00007ffedc2dbcb8 in clock_gettime ()
#2  0x00007f3ef5b6b9c6 in __GI___clock_gettime (clock_id=1, tp=0x7f3eda8d6b50) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f3ef60ee1a1 in qt_gettime() () at /lib64/libQt5Core.so.5
#4  0x00007f3ef60eca19 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#5  0x00007f3ef60ecf65 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#6  0x00007f3ef60ee54e in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#7  0x00007f3ef29a941d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#8  0x00007f3ef29a9d43 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#9  0x00007f3ef29a9f2c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#10 0x00007f3ef60ee79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f3ef6099e0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#12 0x00007f3ef5ec829c in QThread::exec() () at /lib64/libQt5Core.so.5
#13 0x00007f3ef7505ca5 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#14 0x00007f3ef5ecceea in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#15 0x00007f3ef43d766d in start_thread (arg=0x7f3eda8d7700) at pthread_create.c:334
#16 0x00007f3ef5b5de0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f3ef75fa800 (LWP 31211)):
[KCrash Handler]
#6  0x00007f3ef6afdbc0 in free_reply_list () at /lib64/libxcb.so.1
#7  0x00007f3ef6aff8ec in _xcb_map_delete () at /lib64/libxcb.so.1
#8  0x00007f3ef6afe1fd in _xcb_in_destroy () at /lib64/libxcb.so.1
#9  0x00007f3ef6afc535 in xcb_disconnect () at /lib64/libxcb.so.1
#10 0x00007f3ef6d37c47 in XCloseDisplay () at /lib64/libX11.so.6
#11 0x00007f3ee36184cc in QXcbConnection::~QXcbConnection() () at /lib64/libQt5XcbQpa.so.5
#12 0x00007f3ee36184f9 in QXcbConnection::~QXcbConnection() () at /lib64/libQt5XcbQpa.so.5
#13 0x00007f3ee3619c16 in QXcbIntegration::~QXcbIntegration() () at /lib64/libQt5XcbQpa.so.5
#14 0x00007f3ee3619d19 in QXcbIntegration::~QXcbIntegration() () at /lib64/libQt5XcbQpa.so.5
#15 0x00007f3ef645dab7 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () at /lib64/libQt5Gui.so.5
#16 0x00007f3ef4950fd9 in QApplicationPrivate::~QApplicationPrivate() () at /lib64/libQt5Widgets.so.5
#17 0x00007f3ef60cdf1c in QObject::~QObject() () at /lib64/libQt5Core.so.5
#18 0x00007f3ef609dba4 in QCoreApplication::~QCoreApplication() () at /lib64/libQt5Core.so.5
#19 0x00007f3ef4952cc4 in QApplication::~QApplication() () at /lib64/libQt5Widgets.so.5
#20 0x00007f3eecf9388c in kdemain(int, char**) (argc=1, argv=<optimized out>) at /usr/src/debug/dolphin-17.12.2/src/main.cpp:53
#21 0x0000000000408253 in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) (argc=argc@entry=1, _name=_name@entry=0x1d1e3a8 "/bin/dolphin", args=<optimized out>, args@entry=0x1d1e3b5 "", cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x1d1e3bd "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x1d1e3c5 "camulodunum;1541626311;7830;7413_TIME8860934") at /usr/src/debug/kinit-5.42.0/src/kdeinit/kinit.cpp:705
#22 0x00000000004094f7 in handle_launcher_request(int, char const*) (sock=8, who=<optimized out>) at /usr/src/debug/kinit-5.42.0/src/kdeinit/kinit.cpp:1147
#23 0x0000000000409c96 in handle_requests(pid_t) (waitForPid=waitForPid@entry=0) at /usr/src/debug/kinit-5.42.0/src/kdeinit/kinit.cpp:1338
#24 0x0000000000404e4b in main(int, char**) (argc=5, argv=<optimized out>) at /usr/src/debug/kinit-5.42.0/src/kdeinit/kinit.cpp:1784

Reported using DrKonqi