Application: plasmashell (5.12.5)

Qt Version: 5.10.1
Frameworks Version: 5.46.0
Operating System: Linux 4.16.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed:
Estaba buscando una apliacion
- Unusual behavior I noticed:
cada ves que busco, se pone la pantalla negra
- Custom settings of the application:
ninguno, solo una busqueda de una aplicacion

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 0x7f86b8f34cc0 (LWP 1107))]

Thread 18 (Thread 0x7f85aa3b0700 (LWP 4046)):
#0  0x00007f86a6f49f86 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007f86a6f4b0bd in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f86a6f4b469 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#3  0x00007f86a6f4bcef in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#4  0x00007f86a7d072f8 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f86a7d076ce in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f86a7d07750 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f86a7d155b9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#8  0x00007f86a6f5bc78 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#9  0x00007f86b1d5c5aa in start_thread (arg=0x7f85aa3b0700) at pthread_create.c:463
#10 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f85ab7f9700 (LWP 4045)):
#0  0x00007f86b249e094 in __GI___libc_read (fd=58, buf=0x7f85ab7f8b30, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f86acddd960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86acd98f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86acd993e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f86acd9954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f86b2de21bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f86b2d85b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f86b2b9b7ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f86b5d39885 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f86b1d5c5aa in start_thread (arg=0x7f85ab7f9700) at pthread_create.c:463
#11 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f85c8f87700 (LWP 4015)):
[KCrash Handler]
#6  0x00007f86b2dcbf80 in QVariant::QVariant(QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f85e3455c8b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#8  0x00007f85e345353e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#9  0x00007f86b0b13304 in QSqlQuery::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
#10 0x00007f85cd1cfddc in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#11 0x00007f85cd1d214a in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#12 0x00007f85cd1cd31d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#13 0x00007f85cd1caf4d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#14 0x00007f85cd1d485a in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#15 0x00007f85fca0b320 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#16 0x00007f85f7dedf68 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f85f7decbd0 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f85f7dec72d in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f86b1d5c5aa in start_thread (arg=0x7f85c8f87700) at pthread_create.c:463
#21 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f85c9788700 (LWP 4014)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559832264950) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559832264900, cond=0x559832264928) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559832264928, mutex=0x559832264900) at pthread_cond_wait.c:655
#3  0x00007f86b2ba1fbb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85f7dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f85f7dee7a8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f85f7dec66b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f86b1d5c5aa in start_thread (arg=0x7f85c9788700) at pthread_create.c:463
#12 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f85c9f89700 (LWP 4013)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559832264950) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559832264900, cond=0x559832264928) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559832264928, mutex=0x559832264900) at pthread_cond_wait.c:655
#3  0x00007f86b2ba1fbb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85f7dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f85f7dee7a8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f85f7dec66b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f86b1d5c5aa in start_thread (arg=0x7f85c9f89700) at pthread_create.c:463
#12 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f85ca78a700 (LWP 4012)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559832264950) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559832264900, cond=0x559832264928) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559832264928, mutex=0x559832264900) at pthread_cond_wait.c:655
#3  0x00007f86b2ba1fbb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85f7dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f85f7dee7a8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f85f7dec66b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f86b1d5c5aa in start_thread (arg=0x7f85ca78a700) at pthread_create.c:463
#12 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f85caf8b700 (LWP 4011)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559832264950) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559832264900, cond=0x559832264928) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559832264928, mutex=0x559832264900) at pthread_cond_wait.c:655
#3  0x00007f86b2ba1fbb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85f7dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f85f7dee7a8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f85f7dec66b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f86b1d5c5aa in start_thread (arg=0x7f85caf8b700) at pthread_create.c:463
#12 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f85cb78c700 (LWP 4010)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559832264950) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559832264900, cond=0x559832264928) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559832264928, mutex=0x559832264900) at pthread_cond_wait.c:655
#3  0x00007f86b2ba1fbb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85f7dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f85f7dee7a8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f85f7dec66b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f86b1d5c5aa in start_thread (arg=0x7f85cb78c700) at pthread_create.c:463
#12 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f85cbf8d700 (LWP 4009)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559832264950) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559832264900, cond=0x559832264928) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559832264928, mutex=0x559832264900) at pthread_cond_wait.c:655
#3  0x00007f86b2ba1fbb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85f7dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f85f7dee7a8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f85f7dec66b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f86b1d5c5aa in start_thread (arg=0x7f85cbf8d700) at pthread_create.c:463
#16 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f85cc78e700 (LWP 4008)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559832264950) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559832264900, cond=0x559832264928) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559832264928, mutex=0x559832264900) at pthread_cond_wait.c:655
#3  0x00007f86b2ba1fbb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f85f7dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f85f7dee7a8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f85f7dee802 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f85f7de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f85f7dec66b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f86b1d5c5aa in start_thread (arg=0x7f85cc78e700) at pthread_create.c:463
#16 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f85ebe98700 (LWP 1472)):
#0  0x00007f86b249e094 in __GI___libc_read (fd=20, buf=0x7f85ebe97b10, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f86acddd960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86acd98f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86acd993e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f86acd9954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f86b2de21bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f86b2d85b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f86b2b9b7ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f85ee80fd87 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f86b1d5c5aa in start_thread (arg=0x7f85ebe98700) at pthread_create.c:463
#11 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f85fe728700 (LWP 1463)):
#0  0x00007f86b249e094 in __GI___libc_read (fd=15, buf=0x7f85fe727ae0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f86acddd960 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86acd98f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86acd993e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f86acd9954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f86b2de21bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f86b2d85b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f86b2b9b7ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f86b68e8586 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f86b1d5c5aa in start_thread (arg=0x7f85fe728700) at pthread_create.c:463
#11 0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f869218e700 (LWP 1447)):
#0  0x00007f86b1d624ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f86b88f7fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f86b88f7f68, cond=0x7f86b88f7f90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f86b88f7f90, mutex=0x7f86b88f7f68) at pthread_cond_wait.c:655
#3  0x00007f86b86016a4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f86b86016e9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f86b1d5c5aa in start_thread (arg=0x7f869218e700) at pthread_create.c:463
#6  0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8693fff700 (LWP 1436)):
#0  0x00007f86acddecd9 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f86acd99340 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86acd9954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86b2de21bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f86b2d85b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f86b2b9b7ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f86b5d39885 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f86b1d5c5aa in start_thread (arg=0x7f8693fff700) at pthread_create.c:463
#9  0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f869a5ba700 (LWP 1224)):
#0  0x00007f86b24a25d9 in __GI___poll (fds=0x7f868c004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86acd99439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86acd9954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86b2de21bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f86b2d85b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f86b2b9b7ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f86b5d39885 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f86b1d5c5aa in start_thread (arg=0x7f869a5ba700) at pthread_create.c:463
#9  0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f869bfff700 (LWP 1121)):
#0  0x00007f86b24a25d9 in __GI___poll (fds=0x7f8694004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86acd99439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86acd9954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86b2de21bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f86b2d85b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f86b2b9b7ea in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f86b3205df5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f86b1d5c5aa in start_thread (arg=0x7f869bfff700) at pthread_create.c:463
#9  0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f86a2473700 (LWP 1112)):
#0  0x00007f86b24a25d9 in __GI___poll (fds=0x7f86a2472c68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86b751c0f7 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f86b751dd1a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f86a43d1b19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f86b2ba0b4f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f86b1d5c5aa in start_thread (arg=0x7f86a2473700) at pthread_create.c:463
#6  0x00007f86b24accbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f86b8f34cc0 (LWP 1107)):
#0  0x00007f86b249e167 in __GI___libc_write (fd=5, buf=0x7ffc9690c9c0, nbytes=8) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f86acddda1a in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f86acd9564c in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f86acd992a5 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f86acd994c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f86acd9954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f86b2de219f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f86a44562c1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8  0x00007f86b2d85b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f86b2d8eed4 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x000055982ea35d0d in ?? ()
#11 0x00007f86b23d7a87 in __libc_start_main (main=0x55982ea35320, argc=1, argv=0x7ffc9690ceb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc9690cea8) at ../csu/libc-start.c:310
#12 0x000055982ea360aa in _start ()

Possible duplicates by query: bug 393986, bug 393626, bug 393582, bug 393419, bug 390833.

Reported using DrKonqi