Application: krunner (5.12.1)

Qt Version: 5.10.1
Frameworks Version: 5.43.0
Operating System: Linux 4.15.3-2-ARCH x86_64
Distribution: "Arch Linux"

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

I logged into Plasma Desktop, didn't invoke krunner and noticed the crash icon.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f403e1ab800 (LWP 1014))]

Thread 23 (Thread 0x7f3fc570d700 (LWP 2142)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f403a1cd02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f3fee8df42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f3fee8e4479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f3fee8e1c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f3fc5f0e700 (LWP 2141)):
[KCrash Handler]
#5  0x00007f403a3fea60 in QVariant::QVariant(QVariant const&) () at /usr/lib/libQt5Core.so.5
#6  0x00007f3fd2f012cc in  () at /usr/lib/qt/plugins/sqldrivers/libqsqlite.so
#7  0x00007f3fd2efeae6 in  () at /usr/lib/qt/plugins/sqldrivers/libqsqlite.so
#8  0x00007f403513a938 in QSqlQuery::exec() () at /usr/lib/libQt5Sql.so.5
#9  0x00007f3fd3115761 in  () at /usr/lib/qt/plugins/krunner_bookmarksrunner.so
#10 0x00007f3fd3115f0a in  () at /usr/lib/qt/plugins/krunner_bookmarksrunner.so
#11 0x00007f3fd3110972 in  () at /usr/lib/qt/plugins/krunner_bookmarksrunner.so
#12 0x00007f3fd310e1b5 in  () at /usr/lib/qt/plugins/krunner_bookmarksrunner.so
#13 0x00007f3fd3119064 in  () at /usr/lib/qt/plugins/krunner_bookmarksrunner.so
#14 0x00007f3feeb047f0 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /usr/lib/libKF5Runner.so.5
#15 0x00007f3fee8e3618 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f3fee8e2610 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007f3fee8e1d45 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#19 0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#20 0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f3fc670f700 (LWP 2140)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f403a1cd02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f3fee8df42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f3fee8e4479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f3fee8e1c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f3fc6f10700 (LWP 2139)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f403a1cd02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f3fee8df42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f3fee8e4479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f3fee8e1c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f3fc7711700 (LWP 2138)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f403a1cd02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f3fee8df42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f3fee8e4479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f3fee8e1c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#18 0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f3fc7f12700 (LWP 2137)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f403a1cd02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f3fee8df42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f3fee8e4479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f3fee8e1c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f3fc8713700 (LWP 2136)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f403a1cd02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f3fee8df42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f3fee8e4479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f3fee8e44d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f3fee8e1c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f3fc8f14700 (LWP 2134)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f403a1cd02c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f3fee8df42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f3fee8e4479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f3fee8de924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f3fee8e1c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f3fd9a25700 (LWP 2130)):
#0  0x00007f4039ac997b in poll () at /usr/lib/libc.so.6
#1  0x00007f40353bdff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f40353be3b2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007f3fde5e46d8 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007f40353e626a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f3fda226700 (LWP 2129)):
#0  0x00007f4039ac997b in poll () at /usr/lib/libc.so.6
#1  0x00007f40353bdff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f40353be10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f40353be162 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f40353e626a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f3fdc421700 (LWP 2128)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4039e485bd in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f4039e485bd in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized out>, __lock=...) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f3fe1f9fd09 in  () at /usr/lib/libQt5WebKit.so.5
#4  0x00007f3fe1f9fe59 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f4039e4eb9f in std::execute_native_thread_routine(void*) (__p=0x555c7f3abcd0) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:83
#6  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f3fe8ba3700 (LWP 2127)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f400dffb700 (LWP 1095)):
#0  0x00007f403a1c2d4c in QMutex::lock() () at /usr/lib/libQt5Core.so.5
#1  0x00007f403a41521f in  () at /usr/lib/libQt5Core.so.5
#2  0x00007f40353bd519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007f40353bdf1e in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f40353be10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f403a415314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f403a3b73db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f403a1c67ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f403cde3379 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f400e7fc700 (LWP 1083)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f400effd700 (LWP 1082)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f400f7fe700 (LWP 1081)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f400ffff700 (LWP 1080)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f401cda5700 (LWP 1079)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f401d5a6700 (LWP 1078)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f401dfb9700 (LWP 1077)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f401f404fec in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f401f404ef8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f4025ad3700 (LWP 1042)):
#0  0x00007f403a1c2d4c in QMutex::lock() () at /usr/lib/libQt5Core.so.5
#1  0x00007f403a41521f in  () at /usr/lib/libQt5Core.so.5
#2  0x00007f40353bd519 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007f40353bdf1e in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f40353be10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f403a415314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f403a3b73db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f403a1c67ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f403bd3f416 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f40283dd700 (LWP 1030)):
#0  0x00007f4039ac997b in poll () at /usr/lib/libc.so.6
#1  0x00007f4038ee48e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f4038ee6679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f402ad7582a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f403a1cbb4d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4037a2508c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4039ad3e7f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f403e1ab800 (LWP 1014)):
#0  0x00007f4037a2b3bd in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4038ee4b57 in  () at /usr/lib/libxcb.so.1
#2  0x00007f4038ee6779 in xcb_wait_for_special_event () at /usr/lib/libxcb.so.1
#3  0x00007f40250af34e in  () at /usr/lib/libGLX_mesa.so.0
#4  0x00007f40250af4b8 in  () at /usr/lib/libGLX_mesa.so.0
#5  0x00007f40250afe1e in  () at /usr/lib/libGLX_mesa.so.0
#6  0x00007f40250b0ac0 in  () at /usr/lib/libGLX_mesa.so.0
#7  0x00007f401f4a3716 in  () at /usr/lib/dri/radeonsi_dri.so
#8  0x00007f401f49eb9c in  () at /usr/lib/dri/radeonsi_dri.so
#9  0x00007f401f33ff19 in  () at /usr/lib/dri/radeonsi_dri.so
#10 0x00007f401f34180b in  () at /usr/lib/dri/radeonsi_dri.so
#11 0x00007f401f2ffc39 in  () at /usr/lib/dri/radeonsi_dri.so
#12 0x00007f401f307ed6 in  () at /usr/lib/dri/radeonsi_dri.so
#13 0x00007f403d275193 in QSGBatchRenderer::Renderer::renderBatches() () at /usr/lib/libQt5Quick.so.5
#14 0x00007f403d27abf6 in QSGBatchRenderer::Renderer::render() () at /usr/lib/libQt5Quick.so.5
#15 0x00007f403d26b012 in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib/libQt5Quick.so.5
#16 0x00007f403d26b4dc in QSGRenderer::renderScene(unsigned int) () at /usr/lib/libQt5Quick.so.5
#17 0x00007f403d2a5670 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib/libQt5Quick.so.5
#18 0x00007f403d30b170 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/libQt5Quick.so.5
#19 0x00007f403d2979c8 in  () at /usr/lib/libQt5Quick.so.5
#20 0x00007f403d315ec6 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#21 0x00007f403ddd0cc4 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#22 0x0000555c7e08f690 in  ()
#23 0x00007f403b3d1fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007f403b3d99c6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f403a3b8da0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#26 0x00007f403a938623 in QWindowPrivate::deliverUpdateRequest() () at /usr/lib/libQt5Gui.so.5
#27 0x00007f403a938b5b in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#28 0x00007f403d315e66 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#29 0x00007f403ddd0cc4 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#30 0x0000555c7e08f690 in  ()
#31 0x00007f403b3d1fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#32 0x00007f403b3d99c6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#33 0x00007f403a3b8da0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#34 0x00007f403a414738 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#35 0x00007f403a414f6a in  () at /usr/lib/libQt5Core.so.5
#36 0x00007f40353bde38 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#37 0x00007f40353be081 in  () at /usr/lib/libglib-2.0.so.0
#38 0x00007f40353be10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#39 0x00007f403a415314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#40 0x00007f402adfd482 in  () at /usr/lib/libQt5XcbQpa.so.5
#41 0x00007f403a3b73db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#42 0x00007f403a3c07d8 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#43 0x0000555c7e08bf02 in  ()
#44 0x00007f40399fef4a in __libc_start_main () at /usr/lib/libc.so.6
#45 0x0000555c7e08bf8a in _start ()

Reported using DrKonqi