Bug 427631

Summary: Plasma crashed when trying to connect to vpn
Product: [Plasma] plasmashell Reporter: Willyanto <willyanto39>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate, plasma-bugs, sitter
Priority: NOR Keywords: drkonqi
Version: 5.18.5   
Target Milestone: 1.0   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Willyanto 2020-10-13 13:25:20 UTC 
Application: plasmashell (5.18.5)

Qt Version: 5.14.2
Frameworks Version: 5.73.0
Operating System: Linux 5.8.13-200.fc32.x86_64 x86_64
Windowing system: X11
Distribution: Fedora 32 (KDE Plasma)

-- Information about the crash:
- What I was doing when the application crashed:
I was browsing in firefox and decided to connect to VPN by clicking network icon in system tray, and then I clicked connect button of the VPN after that Plasma crashed.

- Custom settings of the application:
I used Simple System Monitor widget on my desktop

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f919236a280 (LWP 1053))]

Thread 26 (Thread 0x7f9102267700 (LWP 12480)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fcad560) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510fcb2a30, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9197e2cbc2 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x56510fcb2a28) at scenegraph/qsgthreadedrenderloop.cpp:255
#4  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x56510fcb2990) at scenegraph/qsgthreadedrenderloop.cpp:905
#5  0x00007f9197e2f109 in QSGRenderThread::run() (this=0x56510fcb2990) at scenegraph/qsgthreadedrenderloop.cpp:1000
#6  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510fcb2990) at thread/qthread_unix.cpp:342
#7  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7f9102da8700 (LWP 12031)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510f50a5d0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510e102390, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9197e2cbc2 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x56510e102388) at scenegraph/qsgthreadedrenderloop.cpp:255
#4  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x56510e1022f0) at scenegraph/qsgthreadedrenderloop.cpp:905
#5  0x00007f9197e2f109 in QSGRenderThread::run() (this=0x56510e1022f0) at scenegraph/qsgthreadedrenderloop.cpp:1000
#6  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510e1022f0) at thread/qthread_unix.cpp:342
#7  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7f91037fe700 (LWP 2019)):
#0  0x00007f9195f81aaf in poll () at /lib64/libc.so.6
#1  0x00007f91630cc246 in poll_func () at /lib64/libpulse.so.0
#2  0x00007f91630bd991 in pa_mainloop_poll () at /lib64/libpulse.so.0
#3  0x00007f91630be013 in pa_mainloop_iterate () at /lib64/libpulse.so.0
#4  0x00007f91630be0c0 in pa_mainloop_run () at /lib64/libpulse.so.0
#5  0x00007f91630cc31d in thread () at /lib64/libpulse.so.0
#6  0x00007f9162e255cc in internal_thread_func () at /usr/lib64/pulseaudio/libpulsecommon-13.99.so
#7  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7f9103fff700 (LWP 1823)):
[KCrash Handler]
#4  0x00007f916aa693b2 in Plotter::render() () at /usr/lib64/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#5  0x00007f91964d0f76 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7f9103ffea80, r=0x56510db620b0, this=0x7f90fc2bec70) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#6  doActivate<false>(QObject*, int, void**) (sender=0x56510e9f7340, signal_index=28, argv=0x7f9103ffea80, argv@entry=0x0) at kernel/qobject.cpp:3870
#7  0x00007f91964cb7f8 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x56510e9f7340, m=m@entry=0x7f91981489c0 <QQuickWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3930
#8  0x00007f9197e82da7 in QQuickWindow::beforeRendering() (this=this@entry=0x56510e9f7340) at .moc/moc_qquickwindow.cpp:558
#9  0x00007f9197e88d27 in QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&) (this=0x56510e9d0070, size=..., surfaceSize=...) at items/qquickwindow.cpp:500
#10 0x00007f9197e2e22b in QSGRenderThread::syncAndRender(QImage*) (this=0x56510ff0f640, grabImage=0x0) at /usr/include/qt5/QtGui/5.14.2/QtGui/private/qrhi_p.h:1230
#11 0x00007f9197e2f0c7 in QSGRenderThread::run() (this=0x56510ff0f640) at scenegraph/qsgthreadedrenderloop.cpp:980
#12 0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510ff0f640) at thread/qthread_unix.cpp:342
#13 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7f9120971700 (LWP 1490)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f9104004a30) at thread/qthread_unix.cpp:342
#12 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f9121172700 (LWP 1489)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f9110004a60) at thread/qthread_unix.cpp:342
#12 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f9121973700 (LWP 1488)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f910c005240) at thread/qthread_unix.cpp:342
#12 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f9122174700 (LWP 1487)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f9118004e60) at thread/qthread_unix.cpp:342
#10 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f9122975700 (LWP 1486)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f9114004630) at thread/qthread_unix.cpp:342
#12 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f9123176700 (LWP 1485)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f911c042fe0) at thread/qthread_unix.cpp:342
#8  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f9123977700 (LWP 1484)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f91280c1ce0) at thread/qthread_unix.cpp:342
#12 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f913cec7700 (LWP 1483)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510fe79ee0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f6bb290, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9162576de8 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f916257adcc in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f916257ae29 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f9162576066 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f9162578778 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510f66bf90) at thread/qthread_unix.cpp:342
#10 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f913ec4a700 (LWP 1482)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510f87e050) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510f5ea610, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9197e2cbc2 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x56510f5ea608) at scenegraph/qsgthreadedrenderloop.cpp:255
#4  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x56510f5ea570) at scenegraph/qsgthreadedrenderloop.cpp:905
#5  0x00007f9197e2f109 in QSGRenderThread::run() (this=0x56510f5ea570) at scenegraph/qsgthreadedrenderloop.cpp:1000
#6  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510f5ea570) at thread/qthread_unix.cpp:342
#7  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f913fa58700 (LWP 1471)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510ef58010) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510ed5b040, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9197e2cbc2 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x56510ed5b038) at scenegraph/qsgthreadedrenderloop.cpp:255
#4  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x56510ed5afa0) at scenegraph/qsgthreadedrenderloop.cpp:905
#5  0x00007f9197e2f109 in QSGRenderThread::run() (this=0x56510ed5afa0) at scenegraph/qsgthreadedrenderloop.cpp:1000
#6  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510ed5afa0) at thread/qthread_unix.cpp:342
#7  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f916138c700 (LWP 1461)):
#0  0x00007f9195f7d4cc in read () at /lib64/libc.so.6
#1  0x00007f9194b7e53f in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f9194b345ee in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9194b34a55 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#4  0x00007f9194b34be3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f91964edb8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9140000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f91964a091b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f916138bc60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f919630c427 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f91618b666c in KCupsConnection::run() () at /lib64/libkcupslib.so
#9  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510ec59b40) at thread/qthread_unix.cpp:342
#10 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f9168f01700 (LWP 1444)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510e43cf20) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510e43ce90, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9197e2cbc2 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x56510e43ce88) at scenegraph/qsgthreadedrenderloop.cpp:255
#4  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x56510e43cdf0) at scenegraph/qsgthreadedrenderloop.cpp:905
#5  0x00007f9197e2f109 in QSGRenderThread::run() (this=0x56510e43cdf0) at scenegraph/qsgthreadedrenderloop.cpp:1000
#6  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510e43cdf0) at thread/qthread_unix.cpp:342
#7  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f916a5c8700 (LWP 1425)):
#0  0x00007f9194b833d8 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f9194b344b1 in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007f9194b34a55 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#3  0x00007f9194b34be3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f91964edb8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9150000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f91964a091b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f916a5c7c60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#6  0x00007f919630c427 in QThread::exec() (this=this@entry=0x56510dd7fc50) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#7  0x00007f9197d7dfda in QQuickPixmapReader::run() (this=0x56510dd7fc50) at util/qquickpixmapcache.cpp:987
#8  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510dd7fc50) at thread/qthread_unix.cpp:342
#9  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f916b27e700 (LWP 1402)):
#0  0x00007f9194b3285c in g_source_ref () at /lib64/libglib-2.0.so.0
#1  0x00007f9194b32928 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#2  0x00007f9194b343cf in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9194b34a55 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#4  0x00007f9194b34be3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f91964edb8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f914c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f91964a091b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f916b27dca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f919630c427 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510e14d420) at thread/qthread_unix.cpp:342
#9  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f9175980700 (LWP 1319)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9176e3686b in util_queue_thread_func () at /usr/lib64/dri/iris_dri.so
#2  0x00007f9176e3633b in impl_thrd_routine () at /usr/lib64/dri/iris_dri.so
#3  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f9176181700 (LWP 1318)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9176e3686b in util_queue_thread_func () at /usr/lib64/dri/iris_dri.so
#2  0x00007f9176e3633b in impl_thrd_routine () at /usr/lib64/dri/iris_dri.so
#3  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f9176982700 (LWP 1317)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9176e3686b in util_queue_thread_func () at /usr/lib64/dri/iris_dri.so
#2  0x00007f9176e3633b in impl_thrd_routine () at /usr/lib64/dri/iris_dri.so
#3  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f917c970700 (LWP 1316)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9176e3686b in util_queue_thread_func () at /usr/lib64/dri/iris_dri.so
#2  0x00007f9176e3633b in impl_thrd_routine () at /usr/lib64/dri/iris_dri.so
#3  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f917e90b700 (LWP 1294)):
#0  0x00007f9195f7d4cc in read () at /lib64/libc.so.6
#1  0x00007f9194b7e53f in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f9194b345ee in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9194b34a55 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#4  0x00007f9194b34be3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f91964edb8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9170000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f91964a091b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f917e90ac80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f919630c427 in QThread::exec() (this=this@entry=0x56510db82450) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f9197ad01e9 in QQmlThreadPrivate::run() (this=0x56510db82450) at qml/ftw/qqmlthread.cpp:155
#9  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510db82450) at thread/qthread_unix.cpp:342
#10 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f917fbbc700 (LWP 1104)):
#0  0x00007f9195f7d4cc in read () at /lib64/libc.so.6
#1  0x00007f9194b7e53f in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f9194b345ee in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9194b34a55 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#4  0x00007f9194b34be3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f91964edb8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f9178000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f91964a091b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f917fbbbc50, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f919630c427 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f919747d51b in QDBusConnectionManager::run() (this=0x7f91974ec060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#9  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x7f91974ec060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:342
#10 0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f91850ab700 (LWP 1079)):
#0  0x00007f9195f81aaf in poll () at /lib64/libc.so.6
#1  0x00007f919824a38a in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f919824c71a in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f9185280c78 in QXcbEventQueue::run() (this=0x56510d65d810) at qxcbeventqueue.cpp:228
#4  0x00007f919630d690 in QThreadPrivate::start(void*) (arg=0x56510d65d810) at thread/qthread_unix.cpp:342
#5  0x00007f9195788432 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f9195f8c913 in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f919236a280 (LWP 1053)):
#0  0x00007f919578ee92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f9196312dab in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x56510f4f7230) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56510ff0f698, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f9197e30d0d in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) (this=0x56510dd83e70, w=0x7f918000b9a0, inExpose=<optimized out>) at scenegraph/qsgthreadedrenderloop.cpp:1544
#4  0x00007f9197e96687 in QQuickWindow::event(QEvent*) (this=0x56510e9f7340, e=0x7fffbeca1080) at items/qquickwindow.cpp:1754
#5  0x00007f9196e94063 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x56510e9f7340, e=0x7fffbeca1080) at kernel/qapplication.cpp:3685
#6  0x00007f91964a1fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x56510e9f7340, event=0x7fffbeca1080) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#7  0x00007f91968773f4 in QPlatformWindow::deliverUpdateRequest() (this=<optimized out>) at kernel/qplatformwindow.cpp:796
#8  QPlatformWindow::windowEvent(QEvent*) (this=<optimized out>, event=<optimized out>) at kernel/qplatformwindow.cpp:476
#9  0x00007f9196e9937b in QApplication::notify(QObject*, QEvent*) (this=0x7fffbeca1670, receiver=0x56510e9f7340, e=0x7fffbeca12f0) at kernel/qapplication.cpp:2875
#10 0x00007f91964a1fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x56510e9f7340, event=0x7fffbeca12f0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#11 0x00007f91964ece83 in QTimerInfoList::activateTimers() (this=0x56510d72f8e0) at kernel/qtimerinfo_unix.cpp:643
#12 0x00007f91964ed7c4 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:183
#13 idleTimerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:230
#14 0x00007f9194b3478f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#15 0x00007f9194b34b18 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#16 0x00007f9194b34be3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#17 0x00007f91964edb73 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x56510d735a10, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#18 0x00007f91964a091b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffbeca1530, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#19 0x00007f91964a85a6 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#20 0x000056510d570b81 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.18.5-2.fc32.x86_64/shell/main.cpp:228
[Inferior 1 (process 1053) detached]

The reporter indicates this bug may be a duplicate of or related to bug 411555.

Possible duplicates by query: bug 427593, bug 427575, bug 427228, bug 427096, bug 426926.

Reported using DrKonqi
Comment 1 Harald Sitter 2020-12-15 11:34:48 UTC 
This should be fixed in Plasma 5.20+. The offending Plotter class is no longer used.

*** This bug has been marked as a duplicate of bug 418500 ***
Comment 2 Nate Graham 2021-02-25 23:46:51 UTC 

*** This bug has been marked as a duplicate of bug 415080 ***