Application: kontact (5.13.2 (19.12.2))

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.5.7-1-default x86_64
Windowing system: X11
Distribution: openSUSE Tumbleweed

-- Information about the crash:
Kontact crashes on first run after OpenSUSE VM (VirtualBox) installation.
The Account Assistant starts nonetheless.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7b47635a80 (LWP 2436))]

Thread 24 (Thread 0x7f7aef325700 (LWP 2537)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b4de54ddc in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x0000000000000000 in ?? ()

Thread 23 (Thread 0x7f7aefb26700 (LWP 2536)):
#0  0x00007f7b5620c9c7 in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007f7b561f4b2e in buffered_vfprintf () from /lib64/libc.so.6
#2  0x00007f7b561f1a44 in __vfprintf_internal () from /lib64/libc.so.6
#3  0x00007f7b562945cf in __fprintf_chk () from /lib64/libc.so.6
#4  0x00007f7b49ff8f2e in event_logv_ () from /usr/lib64/libevent-2.1.so.7
#5  0x00007f7b49ffbb15 in event_warn () from /usr/lib64/libevent-2.1.so.7
#6  0x00007f7b49ffd678 in ?? () from /usr/lib64/libevent-2.1.so.7
#7  0x00007f7b4a00e086 in event_base_loop () from /usr/lib64/libevent-2.1.so.7
#8  0x00007f7b4de5cad6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x000100770000007c in ?? ()
#10 0x00007f7aefb25990 in ?? ()
#11 0x00007f7aefb25988 in ?? ()
#12 0x0000000000000000 in ?? ()

Thread 22 (Thread 0x7f7af0327700 (LWP 2508)):
#0  0x00007f7b5627bacf in poll () from /lib64/libc.so.6
#1  0x00007f7b531932fe in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b20000df0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7af0326b20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x558cb330bc60) at thread/qthread_unix.cpp:342
#7  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#8  0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f7af1538700 (LWP 2505)):
#0  0x00007f7b562774fc in read () from /lib64/libc.so.6
#1  0x00007f7b531da20f in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7b53192e57 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7b531932a2 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b24039870, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7af1537b20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x558cb32e0d90) at thread/qthread_unix.cpp:342
#9  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#10 0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f7af1d46700 (LWP 2502)):
#0  0x00007f7b53192df4 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f7b531932a2 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b180020e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7af1d45b20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x558cb329efc0) at thread/qthread_unix.cpp:342
#7  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#8  0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f7af27fc700 (LWP 2485)):
#0  0x00007f7b54c7ec48 in QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:219
#1  0x00007f7b54eabb3a in postEventSourcePrepare (s=0x7f7b1c012eb0, timeout=0x7f7af27fb954) at kernel/qeventdispatcher_glib.cpp:253
#2  0x00007f7b5319288a in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7b5319322b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b1c012aa0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7af27fbb20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x558cb2f979a0) at thread/qthread_unix.cpp:342
#9  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#10 0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f7af2ffd700 (LWP 2475)):
#0  0x00007f7b5318ff69 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f7b53191565 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7b53192c6f in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7b531932a2 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b10002db0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7af2ffcb20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x558cb2d40280) at thread/qthread_unix.cpp:342
#9  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#10 0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f7af37fe700 (LWP 2474)):
#0  0x00007f7b5627bacf in poll () from /lib64/libc.so.6
#1  0x00007f7b531932fe in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b0c004130, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7af37fdb20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x558cb2c585d0) at thread/qthread_unix.cpp:342
#7  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#8  0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f7af3fff700 (LWP 2473)):
#0  0x00007f7b563836a0 in __tls_get_addr () from /lib64/ld-linux-x86-64.so.2
#1  0x00007f7b54c7ec56 in get_thread_data () at thread/qthread_unix.cpp:220
#2  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:220
#3  0x00007f7b54eabb3a in postEventSourcePrepare (s=0x7f7b040d4a90, timeout=0x7f7af3ffe954) at kernel/qeventdispatcher_glib.cpp:253
#4  0x00007f7b5319288a in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f7b5319322b in ?? () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b040cfcc0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7af3ffeb20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#9  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#10 0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x558cb2c75360) at thread/qthread_unix.cpp:342
#11 0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#12 0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f7afabfd700 (LWP 2463)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b4de54ddc in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f7afb3fe700 (LWP 2462)):
#0  0x00007f7b5620c9c7 in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007f7b561f4b2e in buffered_vfprintf () from /lib64/libc.so.6
#2  0x00007f7b561f1a44 in __vfprintf_internal () from /lib64/libc.so.6
#3  0x00007f7b562945cf in __fprintf_chk () from /lib64/libc.so.6
#4  0x00007f7b49ff8f2e in event_logv_ () from /usr/lib64/libevent-2.1.so.7
#5  0x00007f7b49ffbb15 in event_warn () from /usr/lib64/libevent-2.1.so.7
#6  0x00007f7b49ffd678 in ?? () from /usr/lib64/libevent-2.1.so.7
#7  0x00007f7b4a00e086 in event_base_loop () from /usr/lib64/libevent-2.1.so.7
#8  0x00007f7b4de5c9ad in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x000100770000007c in ?? ()
#10 0x00007f7afb3fd990 in ?? ()
#11 0x00007f7afb3fd988 in ?? ()
#12 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f7afbfff700 (LWP 2461)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b4de54ddc in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f7b14ff9700 (LWP 2460)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b4de54ddc in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f7b157fa700 (LWP 2459)):
#0  0x00007f7b53c82aaa in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b4de54ed6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x000000000000018a in ?? ()
#3  0x0000000007fec383 in ?? ()
#4  0x0000000000000169 in ?? ()
#5  0x0000000007fecf3b in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f7b177fe700 (LWP 2455)):
#0  0x00007f7b53c82aaa in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b4de54ed6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x000000000000018a in ?? ()
#3  0x000000000680a0a7 in ?? ()
#4  0x0000000000000169 in ?? ()
#5  0x000000000680a877 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f7b17fff700 (LWP 2454)):
#0  0x00007f7b5620c9c7 in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007f7b561f4b2e in buffered_vfprintf () from /lib64/libc.so.6
#2  0x00007f7b561f1a44 in __vfprintf_internal () from /lib64/libc.so.6
#3  0x00007f7b562945cf in __fprintf_chk () from /lib64/libc.so.6
#4  0x00007f7b49ff8f2e in event_logv_ () from /usr/lib64/libevent-2.1.so.7
#5  0x00007f7b49ffbb15 in event_warn () from /usr/lib64/libevent-2.1.so.7
#6  0x00007f7b49ffd678 in ?? () from /usr/lib64/libevent-2.1.so.7
#7  0x00007f7b4a00e086 in event_base_loop () from /usr/lib64/libevent-2.1.so.7
#8  0x00007f7b4de5c9ad in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x000100770000007c in ?? ()
#10 0x00007f7b17ffe970 in ?? ()
#11 0x00007f7b17ffe968 in ?? ()
#12 0x0000000015c15d04 in ?? ()
#13 0x0000000000000008 in ?? ()
#14 0x0000000006146f4e in ?? ()
#15 0x0000000000000066 in ?? ()
#16 0x00000000000009ce in ?? ()
#17 0x00007f7b17ffeaf0 in ?? ()
#18 0x0000558cb2aaa400 in ?? ()
#19 0x7fffffffffffffff in ?? ()
#20 0x0000000000000001 in ?? ()
#21 0x00007f7b17ffea48 in ?? ()
#22 0x00007f7b17ffeaf0 in ?? ()
#23 0x00007f7b17ffe9f0 in ?? ()
#24 0x00007f7b4de02c3f in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#25 0x00007f7b17ffea48 in ?? ()
#26 0x7fffffffffffffff in ?? ()
#27 0x00007f7b17ffe9f0 in ?? ()
#28 0x00007f7b17ffeaf0 in ?? ()
#29 0x7fffffffffffffff in ?? ()
#30 0x00007f7b17ffea40 in ?? ()
#31 0x00007f7b17ffeab0 in ?? ()
#32 0x00007f7b4dde2b19 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#33 0x0000003000000002 in ?? ()
#34 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f7b354fa700 (LWP 2452)):
#0  0x00007f7b5627759f in write () from /lib64/libc.so.6
#1  0x00007f7b562083b5 in _IO_file_write@@GLIBC_2.2.5 () from /lib64/libc.so.6
#2  0x00007f7b56207746 in new_do_write () from /lib64/libc.so.6
#3  0x00007f7b56208abe in __GI__IO_file_xsputn () from /lib64/libc.so.6
#4  0x00007f7b561f4a11 in buffered_vfprintf () from /lib64/libc.so.6
#5  0x00007f7b561f1a44 in __vfprintf_internal () from /lib64/libc.so.6
#6  0x00007f7b562945cf in __fprintf_chk () from /lib64/libc.so.6
#7  0x00007f7b49ff8f2e in event_logv_ () from /usr/lib64/libevent-2.1.so.7
#8  0x00007f7b49ffbb15 in event_warn () from /usr/lib64/libevent-2.1.so.7
#9  0x00007f7b49ffd678 in ?? () from /usr/lib64/libevent-2.1.so.7
#10 0x00007f7b4a00e086 in event_base_loop () from /usr/lib64/libevent-2.1.so.7
#11 0x00007f7b4de5ca8a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00017f7b354f9a48 in ?? ()
#13 0x00007f7b354f9970 in ?? ()
#14 0x00007f7b354f9968 in ?? ()
#15 0x0000000015c178be in ?? ()
#16 0x00007f7b354f9a48 in ?? ()
#17 0x00000000c724302e in ?? ()
#18 0x0000000000000d0d in ?? ()
#19 0x00000000000092ee in ?? ()
#20 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f7b35cfb700 (LWP 2451)):
#0  0x00007f7b562533f7 in wait4 () from /lib64/libc.so.6
#1  0x00007f7b4de51f6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7b18001c00 in ?? ()
#3  0x00007f7b18001cb0 in ?? ()
#4  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f7b37fc9700 (LWP 2442)):
#0  0x00007f7b531914ff in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f7b531927c3 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f7b5319322b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f7b54eabc6b in QEventDispatcherGlib::processEvents (this=0x7f7b24000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7f7b37fc8af0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#6  0x00007f7b54c7e62e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#7  0x00007f7b5459a507 in ?? () from /usr/lib64/libQt5DBus.so.5
#8  0x00007f7b54c7f6f8 in QThreadPrivate::start (arg=0x7f7b5461cda0) at thread/qthread_unix.cpp:342
#9  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#10 0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f7b387ca700 (LWP 2441)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b3f7bcb73 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007f7b3f7accd7 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f7b38fcb700 (LWP 2440)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b3f7bcb73 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007f7b3f7accd7 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f7b397cc700 (LWP 2439)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b3f7bc9c5 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007f7b3f7accb7 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f7b39fcd700 (LWP 2438)):
#0  0x00007f7b53c82795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f7b3f7bc9c5 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007f7b3f7accb7 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007f7b53c7befa in start_thread () from /lib64/libpthread.so.0
#4  0x00007f7b562863bf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f7b47635a80 (LWP 2436)):
[KCrash Handler]
#6  std::__uniq_ptr_impl<QTLWExtra, std::default_delete<QTLWExtra> >::_M_ptr (this=0x700010006000a) at /usr/include/c++/9/bits/unique_ptr.h:352
#7  std::unique_ptr<QTLWExtra, std::default_delete<QTLWExtra> >::get (this=0x700010006000a) at /usr/include/c++/9/bits/unique_ptr.h:353
#8  QWidgetPrivate::maybeTopData (this=0x558cb2646010) at ../../include/QtWidgets/5.14.1/QtWidgets/private/../../../../../src/widgets/kernel/qwidget_p.h:819
#9  QWidgetPrivate::windowHandle (this=0x558cb2646010, mode=QWidgetPrivate::WindowHandleMode::Direct) at kernel/qwidget.cpp:1092
#10 0x00007f7b5596cf7e in hasPlatformWindow (widget=0x558cb2dc8850) at kernel/qwidgetrepaintmanager.cpp:417
#11 0x00007f7b5596d0a6 in widgetTexturesFor (tlw=<optimized out>, widget=widget@entry=0x558cb2c26e60) at kernel/qwidgetrepaintmanager.cpp:680
#12 0x00007f7b559721d3 in QWidgetRepaintManager::sync (this=0x558cb2baf960, exposedWidget=0x558cb2c26e60, exposedRegion=...) at kernel/qwidgetrepaintmanager.cpp:737
#13 0x00007f7b559bebb4 in QWidgetWindow::handleExposeEvent (this=<optimized out>, event=0x7ffcc79b0070) at ../../include/QtGui/../../src/gui/kernel/qevent.h:468
#14 0x00007f7b559bf778 in QWidgetWindow::event (event=0x7ffcc79b0070, this=0x558cb2ee5350) at kernel/qwidgetwindow.cpp:342
#15 QWidgetWindow::event (this=0x558cb2ee5350, event=0x7ffcc79b0070) at kernel/qwidgetwindow.cpp:238
#16 0x00007f7b5595ecaf in QApplicationPrivate::notify_helper (this=this@entry=0x558cb26af930, receiver=receiver@entry=0x558cb2ee5350, e=e@entry=0x7ffcc79b0070) at kernel/qapplication.cpp:3684
#17 0x00007f7b55967df0 in QApplication::notify (this=0x7ffcc79b0480, receiver=0x558cb2ee5350, e=0x7ffcc79b0070) at kernel/qapplication.cpp:3430
#18 0x00007f7b54e55062 in QCoreApplication::notifyInternal2 (receiver=0x558cb2ee5350, event=0x7ffcc79b0070) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#19 0x00007f7b5526f83f in QGuiApplicationPrivate::processExposeEvent (e=0x558cb3083db0) at kernel/qguiapplication.cpp:3188
#20 0x00007f7b5526fa6b in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x558cb3083db0) at kernel/qguiapplication.cpp:2009
#21 0x00007f7b5524953b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1163
#22 0x00007f7b4579ea6a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#23 0x00007f7b53193008 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#24 0x00007f7b53193390 in ?? () from /usr/lib64/libglib-2.0.so.0
#25 0x00007f7b5319341f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#26 0x00007f7b54eabc4e in QEventDispatcherGlib::processEvents (this=0x558cb277a280, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#27 0x00007f7b54e53bfb in QEventLoop::exec (this=this@entry=0x7ffcc79b0350, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#28 0x00007f7b54e5b9d2 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#29 0x0000558cb22012f3 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kontact-19.12.2-1.2.x86_64/src/main.cpp:229
[Inferior 1 (process 2436) detached]

Possible duplicates by query: bug 345555, bug 345361, bug 310904, bug 275674, bug 262040.

Reported using DrKonqi