Bug 415177

Summary: Plasma Crashes
Product: [Plasma] plasmashell Reporter: hd1462
Component: generic-crashAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED FIXED    
Severity: crash CC: nate, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.16.5   
Target Milestone: 1.0   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description hd1462 2019-12-14 21:43:49 UTC 
Application: plasmashell (5.16.5)
 (Compiled from sources)
Qt Version: 5.12.5
Frameworks Version: 5.64.0
Operating System: Linux 4.19.86-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed: Attempted to select anything in the ribbon bar.  Sometimes waiting before using the ribbon bar upon start averts the issue.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe986887200 (LWP 27661))]

Thread 21 (Thread 0x7fe913437700 (LWP 27852)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe985361d4b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fe985361de9 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fe986ff6b41 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007fe986ff6d8a in  () at /usr/lib64/libQt5Quick.so.5
#5  0x00007fe98535c791 in  () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#7  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7fe9396df700 (LWP 27851)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7fe93b015700 (LWP 27843)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe985361d4b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fe985361de9 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fe986ff6b41 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007fe986ff6d8a in  () at /usr/lib64/libQt5Quick.so.5
#5  0x00007fe98535c791 in  () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#7  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7fe93bfff700 (LWP 27842)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7fe952ffd700 (LWP 27825)):
#0  0x00007fe983504adc in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fe9835054f3 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe9835056d7 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe985533f1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe9854e3013 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe98535b5e6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe986f74446 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007fe98535c791 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7fe9537fe700 (LWP 27789)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fe953fff700 (LWP 27788)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fe958c77700 (LWP 27787)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fe959478700 (LWP 27786)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fe959c79700 (LWP 27785)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fe95a47a700 (LWP 27784)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fe95ac7b700 (LWP 27783)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fe95b47c700 (LWP 27782)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fe95bc7d700 (LWP 27781)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fe95c47e700 (LWP 27780)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fe95cc7f700 (LWP 27779)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fe95d5c7700 (LWP 27778)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe96c9f8c13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe96c9f8847 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fe96e627700 (LWP 27744)):
[KCrash Handler]
#6  0x00007fe986a75705 in QV4::CompiledData::CompilationUnit::setUnitData(QV4::CompiledData::Unit const*, QV4::CompiledData::QmlUnit const*, QString const&, QString const&) () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fe986a7867d in QV4::CompiledData::CompilationUnit::loadFromDisk(QUrl const&, QDateTime const&, QString*) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fe986c3845a in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007fe986c3a3bf in  () at /usr/lib64/libQt5Qml.so.5
#10 0x00007fe986c33fd5 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) () at /usr/lib64/libQt5Qml.so.5
#11 0x00007fe986c34772 in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007fe986c34898 in QQmlTypeLoader::loadThread(QQmlDataBlob*) () at /usr/lib64/libQt5Qml.so.5
#13 0x00007fe986c34a8d in  () at /usr/lib64/libQt5Qml.so.5
#14 0x00007fe986ca5da4 in  () at /usr/lib64/libQt5Qml.so.5
#15 0x00007fe986ca644a in  () at /usr/lib64/libQt5Qml.so.5
#16 0x00007fe985f890f1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007fe985f90350 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#18 0x00007fe9854e40b1 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007fe9854e7136 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#20 0x00007fe985534133 in  () at /usr/lib64/libQt5Core.so.5
#21 0x00007fe9835053d6 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#22 0x00007fe983505648 in  () at /usr/lib64/libglib-2.0.so.0
#23 0x00007fe9835056d7 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#24 0x00007fe985533f03 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#25 0x00007fe9854e3013 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#26 0x00007fe98535b5e6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#27 0x00007fe986ca5a55 in  () at /usr/lib64/libQt5Qml.so.5
#28 0x00007fe98535c791 in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#30 0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fe96fabf700 (LWP 27691)):
#0  0x00007fe985533c48 in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007fe983504b8e in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe9835054f3 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe9835056d7 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fe985533f1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe9854e3013 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe98535b5e6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe985d0e54d in  () at /usr/lib64/libQt5DBus.so.5
#8  0x00007fe98535c791 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe970697700 (LWP 27686)):
#0  0x00007fe984f4f803 in poll () at /lib64/libc.so.6
#1  0x00007fe9875ec7af in  () at /usr/lib64/libxcb.so.1
#2  0x00007fe9875ee30a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fe9720365e0 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fe98535c791 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe9843803a7 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe984f5b25f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe986887200 (LWP 27661)):
#0  0x00007fe984386d85 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe985361d4b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fe985361de9 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fe986ca6101 in  () at /usr/lib64/libQt5Qml.so.5
#4  0x00007fe986c415fd in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib64/libQt5Qml.so.5
#5  0x00007fe986c34ac6 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () at /usr/lib64/libQt5Qml.so.5
#6  0x00007fe986c357e1 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fe986c118e8 in QQmlComponentPrivate::loadUrl(QUrl const&, QQmlComponent::CompilationMode) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fe9872ea83b in  () at /usr/lib64/libKF5Declarative.so.5
#9  0x00007fe958052a36 in  () at /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#10 0x00007fe958051b00 in  () at /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#11 0x00007fe98550bb5e in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#12 0x00007fe985516f17 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#13 0x00007fe98550c573 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#14 0x00007fe985f890f1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007fe985f90350 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007fe9854e40b1 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fe985533284 in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#18 0x00007fe985533adc in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007fe9835053d6 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#20 0x00007fe983505648 in  () at /usr/lib64/libglib-2.0.so.0
#21 0x00007fe9835056d7 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#22 0x00007fe985533f03 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#23 0x00007fe9854e3013 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#24 0x00007fe9854eab87 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#25 0x000055816167d287 in  ()
#26 0x00007fe984e7befe in __libc_start_main () at /lib64/libc.so.6
#27 0x000055816167d70a in _start ()
[Inferior 1 (process 27661) detached]

Reported using DrKonqi
Comment 1 Nate Graham 2021-03-09 02:18:01 UTC 
Crashing in the Qt JavaScript garbage collector. Can you reproduce this issue with Qt 5.15.2 or newer? It was apparently quite broken until that version.
Comment 2 hd1462 2021-03-10 02:26:12 UTC 
The issue was several updates ago.  Haven't experienced issues since.  Appreciate the follow-up, though.
Comment 3 Nate Graham 2021-03-10 03:37:45 UTC 
Cool, thanks!