Bug 412241

Summary: Plasma crashed on Wayland when I clicked on the button to show the icons hidden in systray during a file transfer
Product: [Plasma] plasmashell Reporter: Patrick Silva <bugseforuns>
Component: generic-waylandAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash    
Priority: NOR    
Version: 5.16.90   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Patrick Silva 2019-09-23 15:33:54 UTC 
Application: plasmashell (5.16.90)

Qt Version: 5.13.1
Frameworks Version: 5.62.0
Operating System: Linux 5.3.1-arch1-1-ARCH x86_64
Distribution: Arch Linux

-- Information about the crash:
I was copying a big file (~700 MiB) from a samba share to my home, 
plasma crashed when I clicked on the icon to show the icons hidden in systray.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6031cee540 (LWP 5055))]

Thread 18 (Thread 0x7f5fd67fc700 (LWP 9260)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561dbcd57ff0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561dbb76e610, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=0x561dbcd711d8, mutex=0x561dbb76e610, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f600c803309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f600c806d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f600c8024fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f600c804ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561dbccda5c0) at thread/qthread_unix.cpp:360
#9  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f5fd6ffd700 (LWP 9259)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561dbcd57ff0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561dbb76e610, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=0x561dbcd711d8, mutex=0x561dbb76e610, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f600c803309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f600c806d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f600c8024fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f600c806de1 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f600c8024fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f600c804ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x7f5fcc004e30) at thread/qthread_unix.cpp:360
#11 0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f5fd77fe700 (LWP 9258)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561dbcd57ff0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561dbb76e610, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=0x561dbcd711d8, mutex=0x561dbb76e610, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f600c803309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f600c806d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f600c8024fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f600c806de1 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f600c8024fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f600c804ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561dbfc6a6e0) at thread/qthread_unix.cpp:360
#11 0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f5fd7fff700 (LWP 9257)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561dbcd57ff0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561dbb76e610, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=0x561dbcd711d8, mutex=0x561dbb76e610, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f600c803309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f600c806d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f600c8024fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f600c806de1 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f600c8024fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f600c804ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561dbfce6c40) at thread/qthread_unix.cpp:360
#11 0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f5fe5a69700 (LWP 9105)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561dbb7c9570) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561dbe3b5870, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x561dbe3b5878, mutex=mutex@entry=0x561dbe3b5870, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f60385bddad in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x561dbe3b5868) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#5  0x00007f60385bddad in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x561dbe3b57f0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f60385be05e in QSGRenderThread::run() (this=0x561dbe3b57f0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561dbe3b57f0) at thread/qthread_unix.cpp:360
#8  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f5fe77fe700 (LWP 6981)):
[KCrash Handler]
#6  0x00007f60363f2e94 in wl_proxy_marshal_constructor () at /usr/lib/libwayland-client.so.0
#7  0x00007f60318fd9aa in wl_surface_frame (wl_surface=<optimized out>) at ../../include/QtWaylandClient/5.13.1/QtWaylandClient/private/../../../../../src/client/wayland-wayland-client-protocol.h:3535
#8  0x00007f60318fd9aa in QtWayland::wl_surface::frame() (this=<optimized out>) at qwayland-wayland.cpp:1246
#9  0x00007f60318db4d0 in QtWaylandClient::QWaylandWindow::handleUpdate() (this=0x561daaec2640) at /tmp/makepkg/qt5-wayland-debug/src/qtwayland-everywhere-src-5.13.1/src/client/qwaylandwindow.cpp:1173
#10 0x00007f6029f64b31 in QtWaylandClient::QWaylandGLContext::swapBuffers(QPlatformSurface*) (this=0x561db067b110, surface=<optimized out>) at /tmp/makepkg/qt5-wayland-debug/src/qtwayland-everywhere-src-5.13.1/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp:484
#11 0x00007f6036ed0a72 in QOpenGLContext::swapBuffers(QSurface*) (this=0x561db36befa0, surface=<optimized out>) at kernel/qopenglcontext.cpp:1111
#12 0x00007f60385ba0ee in QSGRenderThread::syncAndRender() (this=this@entry=0x561db3663800) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:652
#13 0x00007f60385bdfc8 in QSGRenderThread::run() (this=0x561db3663800) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:730
#14 0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561db3663800) at thread/qthread_unix.cpp:360
#15 0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#16 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f5fe6ffd700 (LWP 6980)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561db36c64d0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561db3639620, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x561db3639628, mutex=mutex@entry=0x561db3639620, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f60385bddad in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x561db3639618) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#5  0x00007f60385bddad in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x561db36395a0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f60385be05e in QSGRenderThread::run() (this=0x561db36395a0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561db36395a0) at thread/qthread_unix.cpp:360
#8  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f5fe7fff700 (LWP 5702)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561db090bd00) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561db07b1d10, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x561db07b1d18, mutex=mutex@entry=0x561db07b1d10, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f60385bddad in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x561db07b1d08) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#5  0x00007f60385bddad in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x561db07b1c90) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f60385be05e in QSGRenderThread::run() (this=0x561db07b1c90) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561db07b1c90) at thread/qthread_unix.cpp:360
#8  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f600179b700 (LWP 5244)):
#0  0x00007f60365a018c in read () at /usr/lib/libc.so.6
#1  0x00007f60331f89f0 in read (__nbytes=16, __buf=0x7f600179ab80, __fd=<optimized out>, __fd=<optimized out>, __buf=<optimized out>, __nbytes=<optimized out>) at /usr/include/bits/unistd.h:44
#2  0x00007f60331f89f0 in g_wakeup_acknowledge (wakeup=0x7f5ff4003d50) at ../glib/glib/gwakeup.c:210
#3  0x00007f60332469f1 in g_main_context_check (context=context@entry=0x7f5ff0000bf0, max_priority=2147483647, fds=fds@entry=0x7f5ff0004a00, n_fds=n_fds@entry=1) at ../glib/glib/gmain.c:3695
#4  0x00007f60332480d8 in g_main_context_iterate (context=context@entry=0x7f5ff0000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:3914
#5  0x00007f6033248201 in g_main_context_iteration (context=0x7f5ff0000bf0, may_block=may_block@entry=1) at ../glib/glib/gmain.c:3978
#6  0x00007f6036b4aa1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f5ff0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f6036af14ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f600179ada0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007f6036923385 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561db014ed20) at thread/qthread_unix.cpp:360
#10 0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f60024b9700 (LWP 5240)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561dac2ee1c0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561dab713980, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x561dab713988, mutex=mutex@entry=0x561dab713980, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f60385bddad in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x561dab713978) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#5  0x00007f60385bddad in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x561dab713900) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f60385be05e in QSGRenderThread::run() (this=0x561dab713900) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561dab713900) at thread/qthread_unix.cpp:360
#8  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f60037e1700 (LWP 5234)):
#0  0x00007f60365a018c in read () at /usr/lib/libc.so.6
#1  0x00007f60331f89f0 in read (__nbytes=16, __buf=0x7f60037e0b80, __fd=<optimized out>, __fd=<optimized out>, __buf=<optimized out>, __nbytes=<optimized out>) at /usr/include/bits/unistd.h:44
#2  0x00007f60331f89f0 in g_wakeup_acknowledge (wakeup=0x7f6008003970) at ../glib/glib/gwakeup.c:210
#3  0x00007f60332469f1 in g_main_context_check (context=context@entry=0x7f5ffc000bf0, max_priority=2147483647, fds=fds@entry=0x7f5ffc004a30, n_fds=n_fds@entry=1) at ../glib/glib/gmain.c:3695
#4  0x00007f60332480d8 in g_main_context_iterate (context=context@entry=0x7f5ffc000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:3914
#5  0x00007f6033248201 in g_main_context_iteration (context=0x7f5ffc000bf0, may_block=may_block@entry=1) at ../glib/glib/gmain.c:3978
#6  0x00007f6036b4aa1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f5ffc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f6036af14ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f60037e0da0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007f6036923385 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561dacf69ed0) at thread/qthread_unix.cpp:360
#10 0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f6014b90700 (LWP 5226)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561dab4fa140) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561daacaac70, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x561daacaac78, mutex=mutex@entry=0x561daacaac70, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f60385bddad in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x561daacaac68) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:245
#5  0x00007f60385bddad in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x561daacaabf0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f60385be05e in QSGRenderThread::run() (this=0x561daacaabf0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561daacaabf0) at thread/qthread_unix.cpp:360
#8  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f60182fd700 (LWP 5223)):
#0  0x00007f603324618d in g_main_context_dispatch (context=context@entry=0x7f6010000bf0) at ../glib/glib/gmain.c:3849
#1  0x00007f60332481c1 in g_main_context_iterate (context=context@entry=0x7f6010000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:3917
#2  0x00007f6033248201 in g_main_context_iteration (context=0x7f6010000bf0, may_block=may_block@entry=1) at ../glib/glib/gmain.c:3978
#3  0x00007f6036b4aa1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f6010000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f6036af14ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f60182fcd60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f6036923385 in QThread::exec() (this=this@entry=0x561dabb45fd0) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f60385326eb in QQuickPixmapReader::run() (this=0x561dabb45fd0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/util/qquickpixmapcache.cpp:962
#7  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561dabb45fd0) at thread/qthread_unix.cpp:360
#8  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f6028de7700 (LWP 5189)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f602911cf5c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f602911cb58 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f602a88c700 (LWP 5166)):
#0  0x00007f60365a4667 in poll () at /usr/lib/libc.so.6
#1  0x00007f6033248130 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f601c004a30, timeout=<optimized out>, context=0x7f601c000bf0) at ../glib/glib/gmain.c:4216
#2  0x00007f6033248130 in g_main_context_iterate (context=context@entry=0x7f601c000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:3912
#3  0x00007f6033248201 in g_main_context_iteration (context=0x7f601c000bf0, may_block=may_block@entry=1) at ../glib/glib/gmain.c:3978
#4  0x00007f6036b4aa1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f601c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f6036af14ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f602a88bda0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f6036923385 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561daaf1eb40) at thread/qthread_unix.cpp:360
#8  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f603099d700 (LWP 5160)):
#0  0x00007f60365a4667 in poll () at /usr/lib/libc.so.6
#1  0x00007f6033248130 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f6024004e30, timeout=<optimized out>, context=0x7f6024000bf0) at ../glib/glib/gmain.c:4216
#2  0x00007f6033248130 in g_main_context_iterate (context=context@entry=0x7f6024000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:3912
#3  0x00007f6033248201 in g_main_context_iteration (context=0x7f6024000bf0, may_block=may_block@entry=1) at ../glib/glib/gmain.c:3978
#4  0x00007f6036b4aa1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f6024000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f6036af14ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f603099cd80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f6036923385 in QThread::exec() (this=this@entry=0x561daae627f0) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f6038250849 in QQmlThreadPrivate::run() (this=0x561daae627f0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/qml/qml/ftw/qqmlthread.cpp:152
#8  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x561daae627f0) at thread/qthread_unix.cpp:360
#9  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f60311da700 (LWP 5130)):
#0  0x00007f60365a4667 in poll () at /usr/lib/libc.so.6
#1  0x00007f6033248130 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f602c005260, timeout=<optimized out>, context=0x7f602c000bf0) at ../glib/glib/gmain.c:4216
#2  0x00007f6033248130 in g_main_context_iterate (context=context@entry=0x7f602c000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:3912
#3  0x00007f6033248201 in g_main_context_iteration (context=0x7f602c000bf0, may_block=may_block@entry=1) at ../glib/glib/gmain.c:3978
#4  0x00007f6036b4aa1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f602c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f6036af14ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f60311d9d70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f6036923385 in QThread::exec() (this=this@entry=0x7f603744c080 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f60373c8b37 in QDBusConnectionManager::run() (this=0x7f603744c080 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f60369245b0 in QThreadPrivate::start(void*) (arg=0x7f603744c080 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:360
#9  0x00007f6035f6157f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f60365af0e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f6031cee540 (LWP 5055)):
#0  0x00007f6035f67415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f603692a660 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x561db6169530) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f603692a660 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x561db3663840, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f603692a752 in QWaitCondition::wait(QMutex*, unsigned long) (this=0x561db3663848, mutex=0x561db3663840, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f60385bc2ce in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) (this=this@entry=0x561dab116e20, w=w@entry=0x561db1aa2980, inExpose=inExpose@entry=true) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1217
#5  0x00007f60385bd1f4 in QSGThreadedRenderLoop::handleExposure(QQuickWindow*) (this=0x561dab116e20, window=<optimized out>) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1011
#6  0x00007f60385bd9fb in QSGThreadedRenderLoop::exposureChanged(QQuickWindow*) (this=0x561dab116e20, window=0x561dab6884b0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:919
#7  0x00007f6036e9ef0d in QWindow::event(QEvent*) (this=this@entry=0x561dab6884b0, ev=ev@entry=0x7ffeed343ed0) at kernel/qwindow.cpp:2359
#8  0x00007f6038622033 in QQuickWindow::event(QEvent*) (this=0x561dab6884b0, e=0x7ffeed343ed0) at /tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.13.1/src/quick/items/qquickwindow.cpp:1695
#9  0x00007f6038db06a4 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#10 0x00007f602854f257 in  () at /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#11 0x00007f603763a4f5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x561daac40d30, receiver=receiver@entry=0x561dab6884b0, e=e@entry=0x7ffeed343ed0) at kernel/qapplication.cpp:3703
#12 0x00007f6037643e11 in QApplication::notify(QObject*, QEvent*) (this=0x7ffeed344310, receiver=0x561dab6884b0, e=0x7ffeed343ed0) at kernel/qapplication.cpp:3449
#13 0x00007f6036af29c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x561dab6884b0, event=0x7ffeed343ed0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:143
#14 0x00007f6036e95155 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) (e=0x561dbfd60720) at kernel/qguiapplication.cpp:3077
#15 0x00007f6036e95388 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (e=e@entry=0x561dbfd60720) at kernel/qguiapplication.cpp:1911
#16 0x00007f6036e6fafc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=...) at kernel/qwindowsysteminterface.cpp:1148
#17 0x00007f603190dc51 in userEventSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at qeventdispatcher_glib.cpp:74
#18 0x00007f60332463ae in g_main_dispatch (context=0x561daacb71e0) at ../glib/glib/gmain.c:3179
#19 0x00007f60332463ae in g_main_context_dispatch (context=context@entry=0x561daacb71e0) at ../glib/glib/gmain.c:3844
#20 0x00007f60332481c1 in g_main_context_iterate (context=context@entry=0x561daacb71e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:3917
#21 0x00007f6033248201 in g_main_context_iteration (context=0x561daacb71e0, may_block=may_block@entry=1) at ../glib/glib/gmain.c:3978
#22 0x00007f6036b4aa03 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x561daacb5e70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#23 0x00007f6036af14ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffeed3441c0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#24 0x00007f6036af9326 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#25 0x0000561daa43adc9 in  ()
#26 0x00007f60364d9ee3 in __libc_start_main () at /usr/lib/libc.so.6
#27 0x0000561daa43b22e in _start ()
[Inferior 1 (process 5055) detached]

Possible duplicates by query: bug 412177, bug 412036, bug 411786, bug 411087, bug 410944.

Report to https://bugs.kde.org/
Comment 1 Christoph Feck 2019-11-11 11:39:01 UTC 

*** This bug has been marked as a duplicate of bug 408847 ***