Bug 428053

Application: plasma-discover (5.20.80)

Qt Version: 5.15.1
Frameworks Version: 5.76.0
Operating System: Linux 5.8.14-1-default x86_64
Windowing system: X11
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed: Clicked Discover icon on panel. Tried clicking again > same result, tried restarting from crash notification > same result. Started happening yesterday, Oct 20th after TW Jrypton update, no success after last nights update.

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault

[New LWP 11438]
[New LWP 11439]
[New LWP 11440]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007fd14650b082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
[Current thread is 1 (Thread 0x7fd1446d8940 (LWP 11436))]

Thread 4 (Thread 0x7fd13bfff640 (LWP 11440)):
[KCrash Handler]
#4  QQmlRefPointer<QQmlTypePrivate const>::QQmlRefPointer (other=..., this=0x7fd13bffdb60) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/include/QtQml/5.15.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlrefcount_p.h:152
#5  QQmlType::QQmlType (this=0x7fd13bffdb60) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltype.cpp:121
#6  0x00007fd148301d9d in QQmlPropertyCacheCreator<QQmlTypeCompiler>::propertyCacheForObject (this=this@entry=0x7fd13bffdf00, obj=obj@entry=0x7fd1302fb180, context=..., error=error@entry=0x7fd13bffdbf8) at /usr/include/c++/10/bits/atomic_base.h:325
#7  0x00007fd148303ef4 in QQmlPropertyCacheCreator<QQmlTypeCompiler>::buildMetaObjectRecursively (this=this@entry=0x7fd13bffdf00, objectIndex=2, context=..., isVMERequired=isVMERequired@entry=QQmlPropertyCacheCreator<QQmlTypeCompiler>::VMEMetaObjectIsRequired::Maybe) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/include/QtQml/5.15.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlrefcount_p.h:138
#8  0x00007fd148304299 in QQmlPropertyCacheCreator<QQmlTypeCompiler>::buildMetaObjectRecursively (this=this@entry=0x7fd13bffdf00, objectIndex=objectIndex@entry=0, context=..., isVMERequired=isVMERequired@entry=QQmlPropertyCacheCreator<QQmlTypeCompiler>::VMEMetaObjectIsRequired::Maybe) at /usr/include/qt5/QtCore/qendian.h:288
#9  0x00007fd148304da5 in QQmlPropertyCacheCreator<QQmlTypeCompiler>::buildMetaObjects (this=this@entry=0x7fd13bffdf00) at /usr/include/c++/10/bits/stl_iterator.h:953
#10 0x00007fd14830064f in QQmlTypeCompiler::compile (this=this@entry=0x7fd13bffe070) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypecompiler.cpp:85
#11 0x00007fd148257825 in QQmlTypeData::compile(QQmlRefPointer<QQmlTypeNameCache> const&, QV4::ResolvedTypeReferenceMap*, std::function<QByteArray ()> const&) (this=this@entry=0x7fd130228070, typeNameCache=..., resolvedTypeCache=resolvedTypeCache@entry=0x7fd13bffe170, dependencyHasher=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypedata.cpp:776
#12 0x00007fd14825df30 in QQmlTypeData::done (this=0x7fd130228070) at /usr/include/c++/10/bits/std_function.h:87
#13 0x00007fd14824ce05 in QQmlDataBlob::tryDone (this=0x7fd130228070) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/include/QtQml/5.15.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlrefcount_p.h:116
#14 QQmlDataBlob::tryDone (this=0x7fd130228070) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmldatablob.cpp:515
#15 0x00007fd1482a6b85 in QQmlTypeLoader::setData (this=this@entry=0x55da1743d938, blob=blob@entry=0x7fd130228070, d=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:457
#16 0x00007fd1482a7242 in QQmlTypeLoader::setData (this=this@entry=0x55da1743d938, blob=blob@entry=0x7fd130228070, fileName=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:437
#17 0x00007fd1482a84bc in QQmlTypeLoader::loadThread (this=this@entry=0x55da1743d938, blob=blob@entry=0x7fd130228070) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:299
#18 0x00007fd1482a887c in PlainLoader::loadThread (blob=0x7fd130228070, loader=0x55da1743d938, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:146
#19 QQmlTypeLoader::doLoad<PlainLoader> (loader=..., mode=QQmlTypeLoader::PreferSynchronous, blob=0x7fd130228070, this=0x55da1743d938) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:205
#20 QQmlTypeLoader::load (this=this@entry=0x55da1743d938, blob=blob@entry=0x7fd130228070, mode=mode@entry=QQmlTypeLoader::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:237
#21 0x00007fd1482a9050 in QQmlTypeLoader::getType (this=this@entry=0x55da1743d938, unNormalizedUrl=..., mode=mode@entry=QQmlTypeLoader::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:825
#22 0x00007fd14825cdf6 in QQmlTypeData::resolveTypes (this=this@entry=0x55da175f71d0) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/include/QtQml/5.15.1/QtQml/private/../../../../../src/qml/qml/qqmldatablob_p.h:95
#23 0x00007fd14825fa8d in QQmlTypeData::allDependenciesDone (this=0x55da175f71d0) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypedata.cpp:745
#24 0x00007fd1482a6e0a in QQmlTypeLoader::setData (this=this@entry=0x55da1743d938, blob=blob@entry=0x55da175f71d0, d=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:450
#25 0x00007fd1482a7242 in QQmlTypeLoader::setData (this=this@entry=0x55da1743d938, blob=blob@entry=0x55da175f71d0, fileName=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:437
#26 0x00007fd1482a84bc in QQmlTypeLoader::loadThread (this=0x55da1743d938, blob=blob@entry=0x55da175f71d0) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:299
#27 0x00007fd14826755d in QQmlTypeLoaderThread::loadThread (this=<optimized out>, b=0x55da175f71d0) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloaderthread.cpp:162
#28 0x00007fd14831a628 in QQmlThreadPrivate::threadEvent (this=this@entry=0x55da175a3a60) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/ftw/qqmlthread.cpp:204
#29 0x00007fd14831ae22 in QQmlThreadPrivate::event (this=0x55da175a3a60, e=0x55da175f6d00) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/ftw/qqmlthread.cpp:142
#30 0x00007fd14867a14f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55da175a3a60, e=0x55da175f6d00) at kernel/qapplication.cpp:3630
#31 0x00007fd14763005a in QCoreApplication::notifyInternal2 (receiver=0x55da175a3a60, event=0x55da175f6d00) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#32 0x00007fd147632a91 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55da1759d440) at kernel/qcoreapplication.cpp:1817
#33 0x00007fd147687f23 in postEventSourceDispatch (s=0x7fd1300047b0) at kernel/qeventdispatcher_glib.cpp:277
#34 0x00007fd145ad22d7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#35 0x00007fd145ad2658 in ?? () from /usr/lib64/libglib-2.0.so.0
#36 0x00007fd145ad270f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#37 0x00007fd1476875af in QEventDispatcherGlib::processEvents (this=0x7fd130000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#38 0x00007fd14762ea1b in QEventLoop::exec (this=this@entry=0x7fd13bffeba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#39 0x00007fd14744f7ce in QThread::exec (this=this@entry=0x55da175a3a60) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#40 0x00007fd14831a2d5 in QQmlThreadPrivate::run (this=0x55da175a3a60) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#41 0x00007fd147450911 in QThreadPrivate::start (arg=0x55da175a3a60) at thread/qthread_unix.cpp:329
#42 0x00007fd146504eb1 in start_thread () from /lib64/libpthread.so.0
#43 0x00007fd1470cfccf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fd141752640 (LWP 11439)):
#0  0x00007fd1470c4e7f in poll () from /lib64/libc.so.6
#1  0x00007fd145ad25ee in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fd145ad270f in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fd1476875cb in QEventDispatcherGlib::processEvents (this=0x7fd134000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fd14762ea1b in QEventLoop::exec (this=this@entry=0x7fd141751b70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007fd14744f7ce in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007fd148bbaa27 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007fd147450911 in QThreadPrivate::start (arg=0x7fd148c27d80) at thread/qthread_unix.cpp:329
#8  0x00007fd146504eb1 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fd1470cfccf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fd1425f8640 (LWP 11438)):
#0  0x00007fd1470c4e7f in poll () from /lib64/libc.so.6
#1  0x00007fd1459cd862 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fd1459cf26c in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fd142803270 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fd147450911 in QThreadPrivate::start (arg=0x55da17469620) at thread/qthread_unix.cpp:329
#5  0x00007fd146504eb1 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fd1470cfccf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fd1446d8940 (LWP 11436)):
#0  0x00007fd14650b082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fd14745692b in QWaitConditionPrivate::wait (deadline=..., deadline=..., this=0x55da175879a0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait (this=this@entry=0x55da175a3ad8, mutex=0x55da175a3ad0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007fd14831aa2b in QQmlThreadPrivate::wait (this=<optimized out>) at /usr/include/qt5/QtCore/qdeadlinetimer.h:68
#4  QQmlThread::internalCallMethodInThread (this=0x55da175cf120, message=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/ftw/qqmlthread.cpp:353
#5  0x00007fd148267795 in QQmlThread::callMethodInThread<QQmlDataBlob*, QQmlDataBlob*, QQmlTypeLoaderThread> (arg=<synthetic pointer>: <optimized out>, Member=<optimized out>, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/include/QtQml/5.15.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlthread_p.h:161
#6  QQmlTypeLoaderThread::load (this=<optimized out>, b=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloaderthread.cpp:83
#7  0x000055da1743d938 in ?? ()
#8  0x000055da175f71d0 in ?? ()
#9  0x00007ffcee044af8 in ?? ()
#10 0x00007fd1482a9050 in QQmlTypeLoader::getType (this=0x7ffcee044b80, unNormalizedUrl=..., mode=mode@entry=QQmlTypeLoader::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmltypeloader.cpp:825
#11 0x00007fd148283cdf in QQmlComponentPrivate::loadUrl (this=0x55da175fc290, newUrl=..., mode=mode@entry=QQmlComponent::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmlengine.h:172
#12 0x00007fd1482840db in QQmlComponent::loadUrl (this=this@entry=0x55da175f67b0, url=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmlcomponent.cpp:663
#13 0x00007fd1482e4d63 in QQmlApplicationEnginePrivate::startLoad (this=0x55da1743d800, url=..., data=..., dataFlag=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.1-ku.2.1.x86_64/src/qml/qml/qqmlapplicationengine.cpp:129
#14 0x00007fd1482e4e61 in QQmlApplicationEngine::load (this=<optimized out>, url=...) at /usr/include/qt5/QtCore/qarraydata.h:257
#15 0x000055da158ce4f0 in ?? ()
#16 0x000055da158c6d84 in ?? ()
#17 0x00007fd146ff7e0a in __libc_start_main () from /lib64/libc.so.6
#18 0x000055da158c79fa in _start ()
[Inferior 1 (process 11436) detached]

Possible duplicates by query: bug 425944, bug 420877, bug 412649, bug 394294.

Reported using DrKonqi