Bug 391583

Summary: Plasma crash while draging Widget to edge of screen
Product: [Plasma] plasmashell Reporter: Daniel Winkler <winkler.daniel1>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.12.2   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Daniel Winkler 2018-03-08 21:08:48 UTC 
Application: plasmashell (5.12.2)

Qt Version: 5.10.0
Frameworks Version: 5.43.0
Operating System: Linux 4.13.0-36-generic x86_64
Distribution: KDE neon User Edition 5.12

-- Information about the crash:
- What I was doing when the application crashed:
I dragged a widget to the right edge of the screen making the widget disappear and plasma crash

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 0x7fab132598c0 (LWP 1834))]

Thread 15 (Thread 0x7faa217fa700 (LWP 2747)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x7faa140036d0) at thread/qthread_unix.cpp:376
#8  0x00007fab0be756ba in start_thread (arg=0x7faa217fa700) at pthread_create.c:333
#9  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7faa21ffb700 (LWP 2746)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x7faa18002b90) at thread/qthread_unix.cpp:376
#12 0x00007fab0be756ba in start_thread (arg=0x7faa21ffb700) at pthread_create.c:333
#13 0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7faa227fc700 (LWP 2745)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x7faa14003190) at thread/qthread_unix.cpp:376
#8  0x00007fab0be756ba in start_thread (arg=0x7faa227fc700) at pthread_create.c:333
#9  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7faa22ffd700 (LWP 2744)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x7faa28002d90) at thread/qthread_unix.cpp:376
#16 0x00007fab0be756ba in start_thread (arg=0x7faa22ffd700) at pthread_create.c:333
#17 0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7faa237fe700 (LWP 2743)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x5babb10) at thread/qthread_unix.cpp:376
#8  0x00007fab0be756ba in start_thread (arg=0x7faa237fe700) at pthread_create.c:333
#9  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7faa23fff700 (LWP 2742)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007faa47e6e942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x7faa240027d0) at thread/qthread_unix.cpp:376
#14 0x00007fab0be756ba in start_thread (arg=0x7faa23fff700) at pthread_create.c:333
#15 0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7faa30aca700 (LWP 2741)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x5ee6ea0) at thread/qthread_unix.cpp:376
#8  0x00007fab0be756ba in start_thread (arg=0x7faa30aca700) at pthread_create.c:333
#9  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7faa312cb700 (LWP 2740)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab0cfd167b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x6161c90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x6176590, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007faa47e6a80f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007faa47e6e8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007faa47e699ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007faa47e6c460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x615c1a0) at thread/qthread_unix.cpp:376
#8  0x00007fab0be756ba in start_thread (arg=0x7faa312cb700) at pthread_create.c:333
#9  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7faa3ef1b700 (LWP 2244)):
#0  0x00007fab07809a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab077c4bf9 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab077c5307 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab077c549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab0d2045cb in QEventDispatcherGlib::processEvents (this=0x7faa380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fab0d1ab64a in QEventLoop::exec (this=this@entry=0x7faa3ef1acc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fab0cfcb554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#7  0x00007faa413f9517 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x5380f30) at thread/qthread_unix.cpp:376
#9  0x00007fab0be756ba in start_thread (arg=0x7faa3ef1b700) at pthread_create.c:333
#10 0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7faa58e0c700 (LWP 2028)):
#0  0x00007fab077c4e18 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab077c5330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab077c549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab0d2045cb in QEventDispatcherGlib::processEvents (this=0x7faa540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fab0d1ab64a in QEventLoop::exec (this=this@entry=0x7faa58e0bc90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fab0cfcb554 in QThread::exec (this=this@entry=0x3d6d8e0) at thread/qthread.cpp:522
#6  0x00007fab10ce71c6 in QQuickPixmapReader::run (this=0x3d6d8e0) at util/qquickpixmapcache.cpp:887
#7  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x3d6d8e0) at thread/qthread_unix.cpp:376
#8  0x00007fab0be756ba in start_thread (arg=0x7faa58e0c700) at pthread_create.c:333
#9  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7faae8cb4700 (LWP 1984)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab129c9db4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fab129c9df9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fab0be756ba in start_thread (arg=0x7faae8cb4700) at pthread_create.c:333
#4  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7faaeab54700 (LWP 1907)):
#0  0x00007fab0c8cd27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fab078086f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab077c4e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab077c5330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab077c549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab0d2045cb in QEventDispatcherGlib::processEvents (this=0x7faae40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fab0d1ab64a in QEventLoop::exec (this=this@entry=0x7faaeab53ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fab0cfcb554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#8  0x00007fab1013ca35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x24ceb50) at thread/qthread_unix.cpp:376
#10 0x00007fab0be756ba in start_thread (arg=0x7faaeab54700) at pthread_create.c:333
#11 0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7faaf8bd3700 (LWP 1897)):
#0  0x00007fab0c8cd27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fab078086f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab077c4e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab077c5330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab077c549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab0d2045cb in QEventDispatcherGlib::processEvents (this=0x7faaf00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fab0d1ab64a in QEventLoop::exec (this=this@entry=0x7faaf8bd2ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fab0cfcb554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#8  0x00007fab1013ca35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x23da450) at thread/qthread_unix.cpp:376
#10 0x00007fab0be756ba in start_thread (arg=0x7faaf8bd3700) at pthread_create.c:333
#11 0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7faafa618700 (LWP 1852)):
#0  0x00007fab0c8d174d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fab077c538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab077c549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab0d2045cb in QEventDispatcherGlib::processEvents (this=0x7faaec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fab0d1ab64a in QEventLoop::exec (this=this@entry=0x7faafa617cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fab0cfcb554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007fab0d6272c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fab0cfd06eb in QThreadPrivate::start (arg=0x7fab0d89bd60) at thread/qthread_unix.cpp:376
#8  0x00007fab0be756ba in start_thread (arg=0x7faafa618700) at pthread_create.c:333
#9  0x00007fab0c8dd41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fab132598c0 (LWP 1834)):
[KCrash Handler]
#6  0x00007faa5aa657b5 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#7  0x00007fab0d1da7b6 in QtPrivate::QSlotObjectBase::call (a=0x7ffe9194bad0, r=0xca333c0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378
#8  QMetaObject::activate (sender=sender@entry=0x25fa320, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3749
#9  0x00007fab0d1dad97 in QMetaObject::activate (sender=sender@entry=0x25fa320, m=m@entry=0x7fab11216460 <QQuickWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3628
#10 0x00007fab10db48d3 in QQuickWindow::beforeRendering (this=this@entry=0x25fa320) at .moc/moc_qquickwindow.cpp:497
#11 0x00007fab10db9160 in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x25fea40, size=...) at items/qquickwindow.cpp:452
#12 0x00007fab10d4bbe0 in QSGGuiThreadRenderLoop::renderWindow (this=0x268c6f0, window=0x25fa320) at scenegraph/qsgrenderloop.cpp:429
#13 0x00007fab10dc4917 in QQuickWindow::event (this=0x25fa320, e=0x7ffe9194bf00) at items/qquickwindow.cpp:1608
#14 0x00007fab0e179acc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fab0e181417 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fab0d1ad3c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x25fa320, event=event@entry=0x7ffe9194bf00) at kernel/qcoreapplication.cpp:1044
#17 0x00007fab0d9de3ee in QCoreApplication::sendEvent (event=0x7ffe9194bf00, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#18 QWindowPrivate::deliverUpdateRequest (this=this@entry=0x25fea40) at kernel/qwindow.cpp:2366
#19 0x00007fab0d9de929 in QWindow::event (this=this@entry=0x25fa320, ev=ev@entry=0x7ffe9194c220) at kernel/qwindow.cpp:2337
#20 0x00007fab10dc48c5 in QQuickWindow::event (this=0x25fa320, e=0x7ffe9194c220) at items/qquickwindow.cpp:1627
#21 0x00007fab0e179acc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fab0e181417 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fab0d1ad3c8 in QCoreApplication::notifyInternal2 (receiver=0x25fa320, event=event@entry=0x7ffe9194c220) at kernel/qcoreapplication.cpp:1044
#24 0x00007fab0d20397e in QCoreApplication::sendEvent (event=0x7ffe9194c220, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#25 QTimerInfoList::activateTimers (this=0x2348380) at kernel/qtimerinfo_unix.cpp:643
#26 0x00007fab0d204201 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#27 0x00007fab077c5197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fab077c53f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fab077c549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fab0d2045af in QEventDispatcherGlib::processEvents (this=this@entry=0x233f2c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#31 0x00007faafe97f1a1 in QPAEventDispatcherGlib::processEvents (this=0x233f2c0, flags=...) at qeventdispatcher_glib.cpp:69
#32 0x00007fab0d1ab64a in QEventLoop::exec (this=this@entry=0x7ffe9194c490, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#33 0x00007fab0d1b4854 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1332
#34 0x000000000041cdac in main (argc=1, argv=<optimized out>) at /workspace/build/shell/main.cpp:166

Possible duplicates by query: bug 388508, bug 383458, bug 379965, bug 378816.

Reported using DrKonqi
Comment 1 Christoph Feck 2018-03-30 23:16:16 UTC 

*** This bug has been marked as a duplicate of bug 388544 ***