Application: plasmashell (5.12.4)

Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed: Used the search. I pressed the Meta button and start typing the name of any application

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1bcd16d600 (LWP 1432))]

Thread 25 (Thread 0x7f1aa37fe700 (LWP 9258)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f681b780) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f681b730, cond=0x5644f681b758) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f681b758, mutex=0x5644f681b730) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1afc654745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f1afc658818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f1afc6566db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1bc5fa65aa in start_thread (arg=0x7f1aa37fe700) at pthread_create.c:463
#12 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f1aa3fff700 (LWP 9257)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f681b780) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f681b730, cond=0x5644f681b758) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f681b758, mutex=0x5644f681b730) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1afc654745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f1afc658818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f1afc6566db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1bc5fa65aa in start_thread (arg=0x7f1aa3fff700) at pthread_create.c:463
#12 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f1ab0b8a700 (LWP 9254)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f681b780) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f681b730, cond=0x5644f681b758) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f681b758, mutex=0x5644f681b730) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1afc654745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f1afc658818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f1afc6566db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1bc5fa65aa in start_thread (arg=0x7f1ab0b8a700) at pthread_create.c:463
#12 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f1ab138b700 (LWP 9253)):
[KCrash Handler]
#6  0x00007f1bc7019f80 in QVariant::QVariant(QVariant const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1aed80dc8b in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#8  0x00007f1aed80b53e in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#9  0x00007f1bc4d5d304 in QSqlQuery::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
#10 0x00007f1ab35ceddc in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#11 0x00007f1ab35d114a in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#12 0x00007f1ab35cc31d in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#13 0x00007f1ab35c9f4d in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#14 0x00007f1ab35d385a in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#15 0x00007f1afcedf390 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#16 0x00007f1afc657fd8 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f1afc656c40 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f1afc65679d in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f1bc5fa65aa in start_thread (arg=0x7f1ab138b700) at pthread_create.c:463
#21 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f1ab1b8c700 (LWP 9252)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f681b780) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f681b730, cond=0x5644f681b758) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f681b758, mutex=0x5644f681b730) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1afc654745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f1afc658818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f1afc6566db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f1bc5fa65aa in start_thread (arg=0x7f1ab1b8c700) at pthread_create.c:463
#16 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f1ab238d700 (LWP 9251)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f681b780) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f681b730, cond=0x5644f681b758) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f681b758, mutex=0x5644f681b730) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1afc654745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f1afc658818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f1afc6566db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f1bc5fa65aa in start_thread (arg=0x7f1ab238d700) at pthread_create.c:463
#16 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f1ab2b8e700 (LWP 9250)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f681b780) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f681b730, cond=0x5644f681b758) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f681b758, mutex=0x5644f681b730) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1afc654745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f1afc658818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f1afc6566db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1bc5fa65aa in start_thread (arg=0x7f1ab2b8e700) at pthread_create.c:463
#12 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f1ac2179700 (LWP 9249)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f681b780) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f681b730, cond=0x5644f681b758) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f681b758, mutex=0x5644f681b730) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1afc654745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f1afc658818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f1afc658872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f1afc6538fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f1afc6566db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1bc5fa65aa in start_thread (arg=0x7f1ac2179700) at pthread_create.c:463
#12 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f1ac34fe700 (LWP 8302)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f41a0394) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f41a0340, cond=0x5644f41a0368) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f41a0368, mutex=0x5644f41a0340) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ac34fe700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f1ac3fff700 (LWP 8198)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f5ece6b4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f5ece660, cond=0x5644f5ece688) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f5ece688, mutex=0x5644f5ece660) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ac3fff700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f1ae4fd3700 (LWP 8141)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f58e3700) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f58e36b0, cond=0x5644f58e36d8) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f58e36d8, mutex=0x5644f58e36b0) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ae4fd3700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f1ae5efa700 (LWP 6539)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f5d935c4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f5d93570, cond=0x5644f5d93598) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f5d93598, mutex=0x5644f5d93570) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ae5efa700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f1ae66fb700 (LWP 1613)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f1ba4044854) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f1ba4044800, cond=0x7f1ba4044828) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x7f1ba4044828, mutex=0x7f1ba4044800) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ae66fb700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f1ae73fd700 (LWP 1605)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f5536470) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f5536420, cond=0x5644f5536448) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f5536448, mutex=0x5644f5536420) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ae73fd700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f1ae7fff700 (LWP 1604)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f4b4ecc0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f4b4ec70, cond=0x5644f4b4ec98) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f4b4ec98, mutex=0x5644f4b4ec70) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ae7fff700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f1aef494700 (LWP 1601)):
#0  0x00007f1bc66ec5d9 in __GI___poll (fds=0x7f1ae80060d0, nfds=1, timeout=2812550) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1bc1026439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bc102654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bc70301bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bc6fd3b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1bc6de97ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1af1e0a4b7 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1bc5fa65aa in start_thread (arg=0x7f1aef494700) at pthread_create.c:463
#9  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f1afad40700 (LWP 1597)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f4309cc0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f4309c70, cond=0x5644f4309c98) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f4309c98, mutex=0x5644f4309c70) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1afad40700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f1b1229c700 (LWP 1565)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5644f3cde914) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5644f3cde8c0, cond=0x5644f3cde8e8) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x5644f3cde8e8, mutex=0x5644f3cde8c0) at pthread_cond_wait.c:655
#3  0x00007f1bc6deffbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bcabb4428 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1bcabb488a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc5fa65aa in start_thread (arg=0x7f1b1229c700) at pthread_create.c:463
#8  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f1b12a9d700 (LWP 1564)):
#0  0x00007f1bc66e8094 in __GI___libc_read (fd=23, buf=0x7f1b12a9cae0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f1bc106a960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bc1025f27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bc10263e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1bc102654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1bc70301bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1bc6fd3b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc6de97ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1bcab34586 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f1bc5fa65aa in start_thread (arg=0x7f1b12a9d700) at pthread_create.c:463
#11 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1ba1f2a700 (LWP 1556)):
#0  0x00007f1bc5fac4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f1bccb3ffb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1bc5fac4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f1bccb3ff68, cond=0x7f1bccb3ff90) at pthread_cond_wait.c:502
#2  0x00007f1bc5fac4ec in __pthread_cond_wait (cond=0x7f1bccb3ff90, mutex=0x7f1bccb3ff68) at pthread_cond_wait.c:655
#3  0x00007f1bcc8496a4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f1bcc8496e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ba1f2a700) at pthread_create.c:463
#6  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f1ba3dc7700 (LWP 1555)):
#0  0x00007f1bc66ec5d9 in __GI___poll (fds=0x7f1b98003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1bc1026439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bc102654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bc70301bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bc6fd3b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1bc6de97ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1bc9f85885 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1bc5fa65aa in start_thread (arg=0x7f1ba3dc7700) at pthread_create.c:463
#9  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1ba9d27700 (LWP 1536)):
#0  0x00007f1bc66e8094 in __GI___libc_read (fd=10, buf=0x7f1ba9d26b30, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f1bc106a960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bc1025f27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bc10263e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1bc102654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1bc70301bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1bc6fd3b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc6de97ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1bc9f85885 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f1bc5fa65aa in start_thread (arg=0x7f1ba9d27700) at pthread_create.c:463
#11 0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1bab76c700 (LWP 1447)):
#0  0x00007f1bc66ec5d9 in __GI___poll (fds=0x7f1ba4004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1bc1026439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bc102654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bc70301bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1bc6fd3b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1bc6de97ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1bc7453df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1bc5fa65aa in start_thread (arg=0x7f1bab76c700) at pthread_create.c:463
#9  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1bb6a2b700 (LWP 1435)):
#0  0x00007f1bc66ec5d9 in __GI___poll (fds=0x7f1bb6a2ac68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1bcb7680f7 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1bcb769d1a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1bb898bb19 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f1bc6deeb4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1bc5fa65aa in start_thread (arg=0x7f1bb6a2b700) at pthread_create.c:463
#6  0x00007f1bc66f6cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1bcd16d600 (LWP 1432)):
#0  0x00007f1bc106bcf4 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1bc1025e49 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bc10263e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bc102654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1bc703019f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1bb8a10201 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#6  0x00007f1bc6fd3b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1bc6fdced4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00005644f1fd3cfa in  ()
#9  0x00007f1bc6621a87 in __libc_start_main (main=0x5644f1fd3320, argc=1, argv=0x7fff801e6e88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff801e6e78) at ../csu/libc-start.c:310
#10 0x00005644f1fd409a in _start ()

Reported using DrKonqi