Application: kontact (5.2.3)

Qt Version: 5.6.1
Frameworks Version: 5.24.0
Operating System: Linux 4.6.4-2-default x86_64
Distribution: "openSUSE Tumbleweed (20160728) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed: I was setting up the mail accounts as a new user. I failed to send messages perhaps due to errors I made in configuring the imap servers. All of sudden kontact crashed.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc54015a900 (LWP 3871))]

Thread 25 (Thread 0x7fc49f7fe700 (LWP 7551)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc46c0031e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc49f7fdcc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x44ec590) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7fc49ffff700 (LWP 7549)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc4700035e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc49fffecc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x1b99f60) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7fc4adb56700 (LWP 7547)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3d80033e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc4adb55cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x1b42530) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7fc4aeb58700 (LWP 7545)):
#0  0x00007fc5356c10d0 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fc53567ca04 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567cff4 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3c00031e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc4aeb57cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x1b7a7a0) at thread/qthread_unix.cpp:341
#8  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7fc3d3df4700 (LWP 7543)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3cc0037e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc3d3df3cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x3fc21d0) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7fc3d35f3700 (LWP 7541)):
#0  0x00007fc5356c10a9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fc53567cbd6 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d0c0 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3c40031e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc3d35f2cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x1fd36b0) at thread/qthread_unix.cpp:341
#8  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7fc3d25f1700 (LWP 7539)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3bc0035e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc3d25f0cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x29185f0) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7fc3d2df2700 (LWP 7537)):
#0  0x00007fc53567a097 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fc53567c9a4 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567cff4 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3c80036f0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc3d2df1cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x1a99290) at thread/qthread_unix.cpp:341
#8  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fc3bbb64700 (LWP 5169)):
#0  0x00007fc53d83308a in socketNotifierSourceCheck (source=0x7fc3b4003000) at kernel/qeventdispatcher_glib.cpp:89
#1  0x00007fc53567ca71 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567cff4 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc3bbb63cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x4164050) at thread/qthread_unix.cpp:341
#8  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fc461b76700 (LWP 4753)):
#0  0x00007fc53567c9a4 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fc53567cff4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc3d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc461b75cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x30b1d30) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fc462377700 (LWP 4752)):
#0  0x00007fc535ea609f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc529b17fc4 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007fc529b18009 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7fc463fff700 (LWP 4739)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc45c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc463ffecc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x240a3d0) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fc46b653700 (LWP 3933)):
#0  0x00007fc53cd070ca in clock_gettime () from /lib64/libc.so.6
#1  0x00007fc53d6b1d96 in qt_clock_gettime (ts=0x7fc46b652a20, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#2  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#4  0x00007fc53d831699 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fc4640030d0) at kernel/qtimerinfo_unix.cpp:84
#5  0x00007fc53d831c45 in QTimerInfoList::timerWait (this=0x7fc4640030d0, tm=...) at kernel/qtimerinfo_unix.cpp:381
#6  0x00007fc53d832fde in timerSourcePrepareHelper (timeout=0x7fc46b652af4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:126
#7  timerSourcePrepare (source=<optimized out>, timeout=0x7fc46b652af4) at kernel/qeventdispatcher_glib.cpp:159
#8  0x00007fc53567c5a9 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#9  0x00007fc53567cf7b in ?? () from /usr/lib64/libglib-2.0.so.0
#10 0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#11 0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc4640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#12 0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc46b652cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#14 0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x253b970) at thread/qthread_unix.cpp:341
#15 0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#16 0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fc4831e8700 (LWP 3902)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc4740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc4831e7cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x20f6820) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fc4ad355700 (LWP 3888)):
#0  0x00007fc5356c10c4 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fc53567ca69 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567cff4 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc4980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc4ad354cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x1ac48c0) at thread/qthread_unix.cpp:341
#8  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fc4ae357700 (LWP 3884)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc4a00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc4ae356cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x1caa460) at thread/qthread_unix.cpp:341
#7  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fc4c7fff700 (LWP 3880)):
#0  0x00007fc535ea609f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc53a2f1163 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007fc53a627781 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fc4cc91b700 (LWP 3879)):
#0  0x00007fc535ea609f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc53a2f1163 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007fc53a627781 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fc4cd11c700 (LWP 3878)):
#0  0x00007fc535ea609f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc53a2f1163 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007fc53a627781 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fc4cd91d700 (LWP 3877)):
#0  0x00007fc535ea609f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc53a2f0011 in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007fc53a627781 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fc4d053d700 (LWP 3876)):
#0  0x00007ffc4dd62989 in ?? ()
#1  0x00007ffc4dd62c8f in clock_gettime ()
#2  0x00007fc53cd070a6 in clock_gettime () from /lib64/libc.so.6
#3  0x00007fc53d6b1d96 in qt_clock_gettime (ts=0x7fc4d053ca80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#4  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#5  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#6  0x00007fc53d831699 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fc4c8002cd0) at kernel/qtimerinfo_unix.cpp:84
#7  0x00007fc53d8333b8 in timerSourceCheckHelper (src=0x7fc4c8002c70) at kernel/qeventdispatcher_glib.cpp:140
#8  0x00007fc53567ca71 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#9  0x00007fc53567cff4 in ?? () from /usr/lib64/libglib-2.0.so.0
#10 0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#11 0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc4c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#12 0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc4d053ccc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#14 0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x178abf0) at thread/qthread_unix.cpp:341
#15 0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#16 0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fc5199a1700 (LWP 3875)):
#0  0x00007fc535ea609f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc53a5f6a6b in ?? () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007fc53a5f6aa9 in ?? () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fc51abb2700 (LWP 3874)):
#0  0x00007fc53cd06a60 in __libc_disable_asynccancel () from /lib64/libc.so.6
#1  0x00007fc53ccf1a29 in poll () from /lib64/libc.so.6
#2  0x00007fc53567d056 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc53d833aeb in QEventDispatcherGlib::processEvents (this=0x7fc5140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7fc51abb1c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fc53d6013b3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fc53bf119b5 in ?? () from /usr/lib64/libQt5DBus.so.5
#8  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x7fc53c184d20) at thread/qthread_unix.cpp:341
#9  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fc522d36700 (LWP 3873)):
#0  0x00007fc53ccf1a1d in poll () from /lib64/libc.so.6
#1  0x00007fc5362c6410 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fc5362c81a9 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fc52509c7b9 in QXcbEventReader::run (this=0x16324d0) at qxcbconnection.cpp:1325
#4  0x00007fc53d6062d8 in QThreadPrivate::start (arg=0x16324d0) at thread/qthread_unix.cpp:341
#5  0x00007fc535ea0474 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fc53ccfa3ed in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fc54015a900 (LWP 3871)):
[KCrash Handler]
#6  0x00007fc53e7b6f62 in QWidget::show (this=0x2b34520) at kernel/qwidget.cpp:7724
#7  0x00007fc53fb705cb in Kontact::MainWindow::slotPreferences (this=0x1f5a150) at /usr/src/debug/kdepim-16.04.3/kontact/src/mainwindow.cpp:1018
#8  0x00007fc53d80b24c in QtPrivate::QSlotObjectBase::call (a=0x7ffc4dc61a90, r=0x1f5a150, this=<optimized out>) at ../../src/corelib/kernel/qobject_impl.h:124
#9  QMetaObject::activate (sender=sender@entry=0x251cdd0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc4dc61a90) at kernel/qobject.cpp:3715
#10 0x00007fc53d80b757 in QMetaObject::activate (sender=sender@entry=0x251cdd0, m=m@entry=0x7fc53ee6dd80 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffc4dc61a90) at kernel/qobject.cpp:3595
#11 0x00007fc53e76b542 in QAction::triggered (this=this@entry=0x251cdd0, _t1=<optimized out>) at .moc/moc_qaction.cpp:369
#12 0x00007fc53e76e150 in QAction::activate (this=0x251cdd0, event=<optimized out>) at kernel/qaction.cpp:1163
#13 0x00007fc53e8f892a in QMenuPrivate::activateCausedStack (this=this@entry=0x1c12690, causedStack=..., action=action@entry=0x251cdd0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1130
#14 0x00007fc53e8feabc in QMenuPrivate::activateAction (this=this@entry=0x1c12690, action=action@entry=0x251cdd0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1207
#15 0x00007fc53e902c36 in QMenu::mouseReleaseEvent (this=<optimized out>, e=0x7ffc4dc620e0) at widgets/qmenu.cpp:2634
#16 0x00007fc53e7ba5c8 in QWidget::event (this=this@entry=0x71dcaa0, event=event@entry=0x7ffc4dc620e0) at kernel/qwidget.cpp:9114
#17 0x00007fc53e9036eb in QMenu::event (this=0x71dcaa0, e=0x7ffc4dc620e0) at widgets/qmenu.cpp:2748
#18 0x00007fc53e774aec in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x71dcaa0, e=0x7ffc4dc620e0) at kernel/qapplication.cpp:3804
#19 0x00007fc53e77ae47 in QApplication::notify (this=<optimized out>, receiver=0x71dcaa0, e=0x7ffc4dc620e0) at kernel/qapplication.cpp:3277
#20 0x00007fc53d7dda20 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x71dcaa0, event=event@entry=0x7ffc4dc620e0) at kernel/qcoreapplication.cpp:1015
#21 0x00007fc53e779515 in QCoreApplication::sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:225
#22 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x71dcaa0, event=event@entry=0x7ffc4dc620e0, alienWidget=0x0, nativeWidget=0x71dcaa0, buttonDown=buttonDown@entry=0x7fc53ee9c850 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2775
#23 0x00007fc53e7d5400 in QWidgetWindow::handleMouseEvent (this=this@entry=0x3acda30, event=event@entry=0x7ffc4dc624f0) at kernel/qwidgetwindow.cpp:501
#24 0x00007fc53e7d76e3 in QWidgetWindow::event (this=0x3acda30, event=0x7ffc4dc624f0) at kernel/qwidgetwindow.cpp:233
#25 0x00007fc53e774aec in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x3acda30, e=0x7ffc4dc624f0) at kernel/qapplication.cpp:3804
#26 0x00007fc53e779f8f in QApplication::notify (this=0x7ffc4dc62b30, receiver=0x3acda30, e=0x7ffc4dc624f0) at kernel/qapplication.cpp:3561
#27 0x00007fc53d7dda20 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x3acda30, event=event@entry=0x7ffc4dc624f0) at kernel/qcoreapplication.cpp:1015
#28 0x00007fc53dd35703 in QCoreApplication::sendSpontaneousEvent (event=0x7ffc4dc624f0, receiver=0x3acda30) at ../../src/corelib/kernel/qcoreapplication.h:228
#29 QGuiApplicationPrivate::processMouseEvent (e=0x52f11c0) at kernel/qguiapplication.cpp:1877
#30 0x00007fc53dd36f15 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x52f11c0) at kernel/qguiapplication.cpp:1661
#31 0x00007fc53dd14c0b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:648
#32 0x00007fc5250d3050 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#33 0x00007fc53567ce57 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#34 0x00007fc53567d0c0 in ?? () from /usr/lib64/libglib-2.0.so.0
#35 0x00007fc53567d16c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#36 0x00007fc53d833acf in QEventDispatcherGlib::processEvents (this=0x167a100, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#37 0x00007fc53d7db76a in QEventLoop::exec (this=this@entry=0x7ffc4dc62890, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007fc53d7e3f6c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1285
#39 0x00007fc53dd2cb6c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1607
#40 0x00007fc53e771b25 in QApplication::exec () at kernel/qapplication.cpp:2979
#41 0x000000000040474f in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kdepim-16.04.3/kontact/src/main.cpp:223

Reported using DrKonqi