Bug 400040

Summary: widget crash in wayland session when trying to change the icon
Product: [Plasma] plasmashell Reporter: lordslime1
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.14.1   
Target Milestone: 1.0   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description lordslime1 2018-10-19 20:53:43 UTC 
Application: plasmashell (5.14.1)
 (Compiled from sources)
Qt Version: 5.11.2
Frameworks Version: 5.51.0
Operating System: Linux 4.18.14-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

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

Tried to change Application Dashboard widget in plasma wayland session. It crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4ca6b710c0 (LWP 11922))]

Thread 25 (Thread 0x7f4c3a7fc700 (LWP 14174)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f4c39ffb700 (LWP 14173)):
#0  0x00007f4cacea7c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f4caac07ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4caac07fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4cad3cefe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4cad37a8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cad1c3eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4caeaf6859 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f4c3b7fe700 (LWP 13600)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f4c40c11700 (LWP 13097)):
#0  0x00007f4c8a9a699b in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#1  0x00007f4c8a9a78fe in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f4c8a9a7cba in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#3  0x00007f4c8a9a854a in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#4  0x00007f4c8ae0fd18 in pa_mainloop_dispatch () at /usr/lib/libpulse.so.0
#5  0x00007f4c8ae0ffef in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#6  0x00007f4c8ae10091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#7  0x00007f4c8ae1e5ae in  () at /usr/lib/libpulse.so.0
#8  0x00007f4c8a9b89fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f4c41412700 (LWP 13077)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f4c42020700 (LWP 12874)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f4c42821700 (LWP 12873)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f4c43022700 (LWP 12872)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f4c43823700 (LWP 12871)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f4c637fe700 (LWP 12870)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f4c63fff700 (LWP 12869)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#18 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f4c62ffd700 (LWP 12868)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#19 0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#20 0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#21 0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#22 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f4c627fc700 (LWP 12867)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4c8bd63469 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f4c8bd67339 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f4c8bd67392 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f4c8bd6252d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f4c8bd65389 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f4c60a4c700 (LWP 12755)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f4c61357700 (LWP 12648)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f4c61ffb700 (LWP 12607)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f4c7c933700 (LWP 12283)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f4c7da71700 (LWP 12009)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f4c7e9c1700 (LWP 12008)):
#0  0x00007f4caabb6414 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4caac0694a in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4caac07e86 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4caac07fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4cad3cefe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cad37a8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4cad1c3eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f4c7fc7c35a in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#8  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f4c9644d700 (LWP 11992)):
#0  0x00007f4caabfea32 in g_main_context_query () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4caac07e5c in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4caac07fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4cad3cefe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4cad37a8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cad1c3eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4caed775bb in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f4c96c4e700 (LWP 11989)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4cad1ce71c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4caedf87ed in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f4caedf8a5c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f4c9e0c5700 (LWP 11975)):
#0  0x00007f4cac0ebafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4c9e6b217c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f4c9e6b1eb8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f4c9ffff700 (LWP 11974)):
#0  0x00007f4cacea7c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f4caac07ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4caac07fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4cad3cefe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4cad37a8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cad1c3eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4caeaf6859 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f4ca5810700 (LWP 11966)):
#0  0x00007f4cacea7c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f4caac07ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4caac07fce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4cad3cefe4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4cad37a8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4cad1c3eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4cae4e5ba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f4cad1cdf65 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4cac0e5a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4caceb2b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f4ca6b710c0 (LWP 11922)):
[KCrash Handler]
#6  0x00007f4cad23f732 in QString::mid(int, int) const () at /usr/lib/libQt5Core.so.5
#7  0x00007f4cacd843cd in  () at /usr/lib/libKF5IconThemes.so.5
#8  0x00007f4cacd87e71 in  () at /usr/lib/libKF5IconThemes.so.5
#9  0x00007f4cacd8663f in  () at /usr/lib/libKF5IconThemes.so.5
#10 0x00007f4cacd88827 in  () at /usr/lib/libKF5IconThemes.so.5
#11 0x00007f4cad37b94b in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f4caddd4e04 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007f4cadddc6e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f4cad37bc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#15 0x00007f4cade10edd in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#16 0x00007f4cade141d5 in QWidget::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007f4cadfcafdd in QDialog::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#18 0x00007f4c9c67fe56 in  () at /usr/lib/qt/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#19 0x00007f4c9c6824a3 in  () at /usr/lib/qt/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#20 0x00007f4caea44bdf in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#21 0x00007f4caeaa82de in  () at /usr/lib/libQt5Qml.so.5
#22 0x00007f4caea0b934 in  () at /usr/lib/libQt5Qml.so.5
#23 0x00007f4caea0cd09 in  () at /usr/lib/libQt5Qml.so.5
#24 0x00007f4caea0d9a6 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at /usr/lib/libQt5Qml.so.5
#25 0x00007f4caea281bb in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, QV4::Value*, int, QV4::Value*, int) () at /usr/lib/libQt5Qml.so.5
#26 0x00007f4caea1b7b4 in  () at /usr/lib/libQt5Qml.so.5
#27 0x00007f4caead66a0 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5
#28 0x00007f4caea66680 in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/libQt5Qml.so.5
#29 0x00007f4caea6785c in  () at /usr/lib/libQt5Qml.so.5
#30 0x00007f4caeab2c43 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#31 0x00007f4caea492b4 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#32 0x00007f4cad3a539f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#33 0x00007f4cad3a5bd0 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#34 0x00007f4caddce613 in QAction::triggered(bool) () at /usr/lib/libQt5Widgets.so.5
#35 0x00007f4caddd0d0a in QAction::activate(QAction::ActionEvent) () at /usr/lib/libQt5Widgets.so.5
#36 0x00007f4cadf4909d in  () at /usr/lib/libQt5Widgets.so.5
#37 0x00007f4cadf50892 in  () at /usr/lib/libQt5Widgets.so.5
#38 0x00007f4cadf518fc in QMenu::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/libQt5Widgets.so.5
#39 0x00007f4cade14658 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#40 0x00007f4cadf5400c in QMenu::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#41 0x00007f4caddd4e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#42 0x00007f4cadddc92a in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#43 0x00007f4cad37bc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#44 0x00007f4cadddbc11 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/libQt5Widgets.so.5
#45 0x00007f4cade2fd57 in  () at /usr/lib/libQt5Widgets.so.5
#46 0x00007f4cade325d5 in  () at /usr/lib/libQt5Widgets.so.5
#47 0x00007f4caddd4e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#48 0x00007f4cadddc6e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#49 0x00007f4cad37bc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#50 0x00007f4cad7260dc in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5
#51 0x00007f4cad728066 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#52 0x00007f4cad701a3c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#53 0x00007f4ca6acd5fd in  () at /usr/lib/libQt5WaylandClient.so.5
#54 0x00007f4cad37a8cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#55 0x00007f4cad382bc6 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#56 0x0000555cc3607d2e in  ()
#57 0x00007f4cacddb223 in __libc_start_main () at /usr/lib/libc.so.6
#58 0x0000555cc36081de in _start ()
[Inferior 1 (process 11922) detached]

Reported using DrKonqi
Comment 1 Christoph Feck 2018-10-21 12:07:49 UTC 

*** This bug has been marked as a duplicate of bug 398766 ***