Bug 389979

Summary: [Wayland] Plasma Discover crashes when adding sources
Product: [Applications] Discover Reporter: Gunnar <philip.e.g.andersson>
Component: discoverAssignee: Aleix Pol <aleixpol>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.12.0   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Gunnar 2018-02-06 23:23:31 UTC 
Application: plasma-discover (5.12.0)

Qt Version: 5.9.3
Frameworks Version: 5.42.0
Operating System: Linux 4.13.0-32-generic x86_64
Distribution: KDE neon User Edition 5.12

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

When on Wayland, Discover crashes while trying the "add source" in settings. Can replicate every time.

The crash can be reproduced every time.

-- Backtrace:
Application: Upptäck (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f511f1438c0 (LWP 5271))]

Thread 10 (Thread 0x7f50d3558700 (LWP 5293)):
[KCrash Handler]
#6  wl_proxy_create_wrapper (proxy=0x0) at ../src/wayland-client.c:2038
#7  0x00007f5100b2e82e in ?? () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
#8  0x00007f5100b1bd46 in ?? () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
#9  0x00007f5100d55068 in QtWaylandClient::QWaylandEglWindow::updateSurface (this=this@entry=0x4127880, create=create@entry=true) at ../../../../hardwareintegration/client/wayland-egl/qwaylandeglwindow.cpp:141
#10 0x00007f5100d5364d in QtWaylandClient::QWaylandGLContext::makeCurrent (this=0x4101490, surface=<optimized out>) at ../../../../hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp:410
#11 0x00007f511c067779 in QOpenGLContext::makeCurrent (this=0x2679050, surface=surface@entry=0x1047960) at kernel/qopenglcontext.cpp:984
#12 0x00007f511e419e40 in QSGRenderThread::invalidateOpenGL (this=this@entry=0x41280e0, window=0x1047950, inDestructor=<optimized out>, fallback=0x0) at scenegraph/qsgthreadedrenderloop.cpp:494
#13 0x00007f511e421502 in QSGRenderThread::event (this=0x41280e0, e=0x572d790) at scenegraph/qsgthreadedrenderloop.cpp:402
#14 0x00007f511e41ff4c in QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x41280e0) at scenegraph/qsgthreadedrenderloop.cpp:710
#15 0x00007f511e4207b5 in QSGRenderThread::run (this=0x41280e0) at scenegraph/qsgthreadedrenderloop.cpp:738
#16 0x00007f511afd8709 in QThreadPrivate::start (arg=0x41280e0) at thread/qthread_unix.cpp:368
#17 0x00007f51171856ba in start_thread (arg=0x7f50d3558700) at pthread_create.c:333
#18 0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f50e54ed700 (LWP 5280)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f511afd965b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1e0b080) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x1ca1898, mutex=mutex@entry=0x1ca1890, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f511e41febd in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x1ca1888) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x1ca1810) at scenegraph/qsgthreadedrenderloop.cpp:709
#5  0x00007f511e4207b5 in QSGRenderThread::run (this=0x1ca1810) at scenegraph/qsgthreadedrenderloop.cpp:738
#6  0x00007f511afd8709 in QThreadPrivate::start (arg=0x1ca1810) at thread/qthread_unix.cpp:368
#7  0x00007f51171856ba in start_thread (arg=0x7f50e54ed700) at pthread_create.c:333
#8  0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f50e5cee700 (LWP 5279)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f511afd965b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x7f50d800cca0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7f50d800caf8, mutex=mutex@entry=0x7f50d800caf0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f511afd23cb in QSemaphore::acquire (this=this@entry=0x7f50e5cec150, n=n@entry=1) at thread/qsemaphore.cpp:143
#4  0x00007f511b1d94b6 in QMetaObject::activate (sender=0x124a8a0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3734
#5  0x00007f511849e368 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#6  0x00007f511855bc7d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#7  0x00007f511b1d9279 in QMetaObject::activate (sender=0x7f50d80033b0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3766
#8  0x00007f5118465b3b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#9  0x00007f511846631d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#10 0x00007f511b1d9279 in QMetaObject::activate (sender=0x7f50d8006120, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3766
#11 0x00007f5118548347 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#12 0x00007f511854c43b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#13 0x00007f511854ce66 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#14 0x00007f5118537c31 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#15 0x00007f511b1d9279 in QMetaObject::activate (sender=0x7f50d8006e30, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3766
#16 0x00007f5118505453 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#17 0x00007f511850550c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#18 0x00007f51185160d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#19 0x00007f511c79ab9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7f50d80094b0, e=0x7f50e5cedae0) at kernel/qapplication.cpp:3722
#20 0x00007f511c7a25a7 in QApplication::notify (this=0x7ffdf62ae560, receiver=0x7f50d80094b0, e=0x7f50e5cedae0) at kernel/qapplication.cpp:3481
#21 0x00007f511b1acdf8 in QCoreApplication::notifyInternal2 (receiver=0x7f50d80094b0, event=event@entry=0x7f50e5cedae0) at kernel/qcoreapplication.cpp:1018
#22 0x00007f511b20332d in QCoreApplication::sendEvent (event=0x7f50e5cedae0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#23 socketNotifierSourceDispatch (source=0x7f50d80013a0) at kernel/qeventdispatcher_glib.cpp:106
#24 0x00007f51152fc197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f51152fc3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f51152fc49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f511b2026cb in QEventDispatcherGlib::processEvents (this=0x7f50d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#28 0x00007f511b1aae2a in QEventLoop::exec (this=this@entry=0x7f50e5cedd00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#29 0x00007f511afd38f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#30 0x00007f511afd8709 in QThreadPrivate::start (arg=0x1d6d5d0) at thread/qthread_unix.cpp:368
#31 0x00007f51171856ba in start_thread (arg=0x7f50e5cee700) at pthread_create.c:333
#32 0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f50e7fff700 (LWP 5277)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f511afd9596 in QWaitConditionPrivate::wait_relative (time=30000, this=0x7f50ec005970) at thread/qwaitcondition_unix.cpp:133
#2  QWaitConditionPrivate::wait (time=30000, this=0x7f50ec005970) at thread/qwaitcondition_unix.cpp:141
#3  QWaitCondition::wait (this=this@entry=0x7f50ec005680, mutex=mutex@entry=0x7f50ec005390, time=30000) at thread/qwaitcondition_unix.cpp:215
#4  0x00007f511afd4dea in QThreadPoolThread::run (this=0x7f50ec005670) at thread/qthreadpool.cpp:144
#5  0x00007f511afd8709 in QThreadPrivate::start (arg=0x7f50ec005670) at thread/qthread_unix.cpp:368
#6  0x00007f51171856ba in start_thread (arg=0x7f50e7fff700) at pthread_create.c:333
#7  0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f50f4e3f700 (LWP 5276)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f511afd965b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x7f50ec05c2b0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7f50ec05c108, mutex=mutex@entry=0x7f50ec05c100, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f511afd23cb in QSemaphore::acquire (this=this@entry=0x7f50f4e3d150, n=n@entry=1) at thread/qsemaphore.cpp:143
#4  0x00007f511b1d94b6 in QMetaObject::activate (sender=0x13256e0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3734
#5  0x00007f511849e368 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#6  0x00007f511855bc7d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#7  0x00007f511b1d9279 in QMetaObject::activate (sender=0x7f50ec004db0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3766
#8  0x00007f5118465b3b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#9  0x00007f511846631d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#10 0x00007f511b1d9279 in QMetaObject::activate (sender=0x7f50ec0082c0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3766
#11 0x00007f5118548347 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#12 0x00007f511854c43b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#13 0x00007f511854ce66 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#14 0x00007f5118537c31 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#15 0x00007f511b1d9279 in QMetaObject::activate (sender=0x7f50ec0314f0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3766
#16 0x00007f5118505453 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#17 0x00007f511850550c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#18 0x00007f51185160d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#19 0x00007f511c79ab9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7f50ec039300, e=0x7f50f4e3eae0) at kernel/qapplication.cpp:3722
#20 0x00007f511c7a25a7 in QApplication::notify (this=0x7ffdf62ae560, receiver=0x7f50ec039300, e=0x7f50f4e3eae0) at kernel/qapplication.cpp:3481
#21 0x00007f511b1acdf8 in QCoreApplication::notifyInternal2 (receiver=0x7f50ec039300, event=event@entry=0x7f50f4e3eae0) at kernel/qcoreapplication.cpp:1018
#22 0x00007f511b20332d in QCoreApplication::sendEvent (event=0x7f50f4e3eae0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#23 socketNotifierSourceDispatch (source=0x7f50ec002e00) at kernel/qeventdispatcher_glib.cpp:106
#24 0x00007f51152fc197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f51152fc3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f51152fc49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f511b2026cb in QEventDispatcherGlib::processEvents (this=0x7f50ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#28 0x00007f511b1aae2a in QEventLoop::exec (this=this@entry=0x7f50f4e3ed00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#29 0x00007f511afd38f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#30 0x00007f511afd8709 in QThreadPrivate::start (arg=0x1322f90) at thread/qthread_unix.cpp:368
#31 0x00007f51171856ba in start_thread (arg=0x7f50f4e3f700) at pthread_create.c:333
#32 0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f50f6bcc700 (LWP 5275)):
#0  0x00007f5115340a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f51152fb320 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f51152fc245 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f51152fc49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f511b2026cb in QEventDispatcherGlib::processEvents (this=0x7f50e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f511b1aae2a in QEventLoop::exec (this=this@entry=0x7f50f6bcbd00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f511afd38f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f511afd8709 in QThreadPrivate::start (arg=0xba1760) at thread/qthread_unix.cpp:368
#8  0x00007f51171856ba in start_thread (arg=0x7f50f6bcc700) at pthread_create.c:333
#9  0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f50f852d700 (LWP 5274)):
#0  0x00007f51152f93b2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f51152fbcea in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f51152fc330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f51152fc49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f511b2026cb in QEventDispatcherGlib::processEvents (this=0x7f50f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f511b1aae2a in QEventLoop::exec (this=this@entry=0x7f50f852cc90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f511afd38f4 in QThread::exec (this=this@entry=0x1151870) at thread/qthread.cpp:515
#7  0x00007f511e3a0046 in QQuickPixmapReader::run (this=0x1151870) at util/qquickpixmapcache.cpp:868
#8  0x00007f511afd8709 in QThreadPrivate::start (arg=0x1151870) at thread/qthread_unix.cpp:368
#9  0x00007f51171856ba in start_thread (arg=0x7f50f852d700) at pthread_create.c:333
#10 0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f5103fff700 (LWP 5273)):
#0  0x00007f511a5d274d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f51152fc38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f51152fc49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f511b2026cb in QEventDispatcherGlib::processEvents (this=0x7f50fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f511b1aae2a in QEventLoop::exec (this=this@entry=0x7f5103ffece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f511afd38f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f511bbd4d25 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f511afd8709 in QThreadPrivate::start (arg=0xbcf630) at thread/qthread_unix.cpp:368
#8  0x00007f51171856ba in start_thread (arg=0x7f5103fff700) at pthread_create.c:333
#9  0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f51097c8700 (LWP 5272)):
#0  0x00007f511a5ce27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f511533f6f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f51152fbe74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f51152fc330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f51152fc49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f511b2026cb in QEventDispatcherGlib::processEvents (this=0x7f51040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f511b1aae2a in QEventLoop::exec (this=this@entry=0x7f51097c7cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f511afd38f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#8  0x00007f511ceb3315 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f511afd8709 in QThreadPrivate::start (arg=0x7f511d127d40) at thread/qthread_unix.cpp:368
#10 0x00007f51171856ba in start_thread (arg=0x7f51097c8700) at pthread_create.c:333
#11 0x00007f511a5de41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f511f1438c0 (LWP 5271)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f511afd965b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4128230) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4128120, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f511e41e96a in QSGThreadedRenderLoop::releaseResources (this=this@entry=0xc760e0, w=w@entry=0x4108d70, inDestructor=inDestructor@entry=true) at scenegraph/qsgthreadedrenderloop.cpp:1136
#4  0x00007f511e41fad3 in QSGThreadedRenderLoop::windowDestroyed (this=0xc760e0, window=0x1047950) at scenegraph/qsgthreadedrenderloop.cpp:887
#5  0x00007f511e46deaa in QQuickWindow::~QQuickWindow (this=0x1047950, __in_chrg=<optimized out>) at items/qquickwindow.cpp:1287
#6  0x00007f51029b7545 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#7  0x00007f511b1da2f0 in QObject::event (this=this@entry=0x1047950, e=<optimized out>) at kernel/qobject.cpp:1237
#8  0x00007f511c038bb8 in QWindow::event (this=this@entry=0x1047950, ev=ev@entry=0x572d2d0) at kernel/qwindow.cpp:2295
#9  0x00007f511e476e85 in QQuickWindow::event (this=0x1047950, e=0x572d2d0) at items/qquickwindow.cpp:1610
#10 0x00007f510299a881 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#11 0x00007f511c79ab9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1047950, e=0x572d2d0) at kernel/qapplication.cpp:3722
#12 0x00007f511c7a25a7 in QApplication::notify (this=0x7ffdf62ae560, receiver=0x1047950, e=0x572d2d0) at kernel/qapplication.cpp:3481
#13 0x00007f511b1acdf8 in QCoreApplication::notifyInternal2 (receiver=0x1047950, event=event@entry=0x572d2d0) at kernel/qcoreapplication.cpp:1018
#14 0x00007f511b1af5db in QCoreApplication::sendEvent (event=0x572d2d0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xb36fe0) at kernel/qcoreapplication.cpp:1678
#16 0x00007f511b1afa48 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1532
#17 0x00007f511b2030a3 in postEventSourceDispatch (s=0xb6b2a0) at kernel/qeventdispatcher_glib.cpp:276
#18 0x00007f51152fc197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f51152fc3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f51152fc49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f511b2026af in QEventDispatcherGlib::processEvents (this=0xbb77b0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007f511b1aae2a in QEventLoop::exec (this=this@entry=0x7ffdf62ae480, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#23 0x00007f511b1b3d64 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#24 0x00007f511c023bdc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1679
#25 0x00007f511c79aaf5 in QApplication::exec () at kernel/qapplication.cpp:2910
#26 0x0000000000411f9e in main (argc=1, argv=<optimized out>) at /workspace/build/discover/main.cpp:156

The reporter indicates this bug may be a duplicate of or related to bug 383921.

Possible duplicates by query: bug 383921.

Reported using DrKonqi
Comment 1 Aleix Pol 2018-02-12 17:27:53 UTC 

*** This bug has been marked as a duplicate of bug 381630 ***