Bug 411998

Application: plasma-discover (5.16.5)
 (Compiled from sources)
Qt Version: 5.12.3
Frameworks Version: 5.61.0
Operating System: Linux 5.0.0-27-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
- What I was doing when the application crashed:
 Run Discover
Salta el error que cierra Discover cada vez que lo ejecuto.

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f26a06cae00 (LWP 7897))]

Thread 4 (Thread 0x7f268233c700 (LWP 7901)):
[KCrash Handler]
#6  0x00007f269c985c13 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f269c978d6c in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f269c9805fa in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f269c980bd9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f269c97e699 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f269c97ee5a in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f269c97effb in QQmlTypeLoader::loadThread(QQmlDataBlob*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f269c98b9dc in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f269c97f1a6 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f269c97fe19 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f269c980846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f269c980bd9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f269c97e699 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f269c97ee5a in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f269c97effb in QQmlTypeLoader::loadThread(QQmlDataBlob*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f269c98b9dc in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f269c97f1a6 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f269c97fe19 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f269c980846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f269c980bd9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007f269c97e699 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f269c97ee5a in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f269c97effb in QQmlTypeLoader::loadThread(QQmlDataBlob*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f269c98b9dc in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f269c97f1a6 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f269c97fe19 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f269c980846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007f269c980bd9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007f269c97e699 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#35 0x00007f269c97ee5a in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#36 0x00007f269c97effb in QQmlTypeLoader::loadThread(QQmlDataBlob*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#37 0x00007f269c97f16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#38 0x00007f269c9f2474 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#39 0x00007f269c9f2b4a in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#40 0x00007f269e5a065c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f269e5a7b90 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007f269bbe1d18 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007f269bbe48d7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f269bc3f793 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f26957ad417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f26957ad650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f26957ad6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f269bc3edaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007f269bbe003a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007f269ba074ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007f269c9f2115 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#52 0x00007f269ba08c72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007f269808f6db in start_thread (arg=0x7f268233c700) at pthread_create.c:463
#54 0x00007f269b30888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f268354d700 (LWP 7900)):
#0  0x00007f26957f3660 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f26957acb18 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f26957ad4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f26957ad6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f269bc3edcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f269bbe003a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f269ba074ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f269cd90015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f269ba08c72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f269808f6db in start_thread (arg=0x7f268354d700) at pthread_create.c:463
#10 0x00007f269b30888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f268b26d700 (LWP 7899)):
#0  0x00007f269b2fbbf9 in __GI___poll (fds=0x7f268b26cb68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2694ee2747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2694ee436a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f268de4d578 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f269ba08c72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f269808f6db in start_thread (arg=0x7f268b26d700) at pthread_create.c:463
#6  0x00007f269b30888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f26a06cae00 (LWP 7897)):
#0  0x00007f26980959f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5652ea071464) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f26980959f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5652ea071410, cond=0x5652ea071438) at pthread_cond_wait.c:502
#2  0x00007f26980959f3 in __pthread_cond_wait (cond=0x5652ea071438, mutex=0x5652ea071410) at pthread_cond_wait.c:655
#3  0x00007f269ba0fdbb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f269ba100c9 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f269c9f27e1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f269c98b985 in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f269c97f1a6 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f269c97fe19 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f269c95ba73 in QQmlComponentPrivate::loadUrl(QUrl const&, QQmlComponent::CompilationMode) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f269c9ca973 in QQmlApplicationEnginePrivate::startLoad(QUrl const&, QByteArray const&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f269c9ca9cd in QQmlApplicationEngine::load(QUrl const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00005652e81f7c1f in  ()
#13 0x00005652e81f20bb in  ()
#14 0x00007f269b208b97 in __libc_start_main (main=0x5652e81f1a10, argc=1, argv=0x7fffb8a54ce8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb8a54cd8) at ../csu/libc-start.c:310
#15 0x00005652e81f262a in _start ()

Reported using DrKonqi