https://bugs.kde.org/show_bug.cgi?id=381564
Bug ID: 381564
Summary: Removing a widget from the desktop
Product: plasmashell
Version: 5.10.2
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: nechaev.l...@gmail.com
CC: bhus...@gmail.com, plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.10.2)
Qt Version: 5.9.0
Frameworks Version: 5.35.0
Operating System: Linux 4.11.6-1-ARCH x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
A crash occurs when you try to remove the widget from the desktop. The widget
is deleted for a while and reappears.
The crash can be reproduced every time.
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f710fd3fd80 (LWP 536))]
Thread 11 (Thread 0x7f7039482700 (LWP 840)):
#0 0x00007f7103ec2a44 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1 0x00007f7103e7dd16 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#2 0x00007f7109c50e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f7109bf721a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f7109a1940a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f703be65427 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#6 0x00007f7109a1dcbd in () at /usr/lib/libQt5Core.so.5
#7 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 10 (Thread 0x7f704dda2700 (LWP 706)):
#0 0x00007f710931a02d in read () at /usr/lib/libc.so.6
#1 0x00007f7103ec16f0 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007f7103e7d6db in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3 0x00007f7103e7dba0 in () at /usr/lib/libglib-2.0.so.0
#4 0x00007f7103e7dd0c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5 0x00007f7109c50e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6 0x00007f7109bf721a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7 0x00007f7109a1940a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8 0x00007f710d768836 in () at /usr/lib/libQt5Quick.so.5
#9 0x00007f7109a1dcbd in () at /usr/lib/libQt5Core.so.5
#10 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 9 (Thread 0x7f7054061700 (LWP 669)):
#0 0x00007f7108bd839d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f70dd1782fb in () at /usr/lib/xorg/modules/dri/r600_dri.so
#2 0x00007f70dd178037 in () at /usr/lib/xorg/modules/dri/r600_dri.so
#3 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 8 (Thread 0x7f7054862700 (LWP 668)):
#0 0x00007f7108bd839d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f70dd1782fb in () at /usr/lib/xorg/modules/dri/r600_dri.so
#2 0x00007f70dd178037 in () at /usr/lib/xorg/modules/dri/r600_dri.so
#3 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 7 (Thread 0x7f70dfbda700 (LWP 667)):
#0 0x00007f7108bd839d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f710f4abac4 in () at /usr/lib/libQt5Script.so.5
#2 0x00007f710f4abb09 in () at /usr/lib/libQt5Script.so.5
#3 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 6 (Thread 0x7f70e9aea700 (LWP 666)):
#0 0x00007f710931e2bd in poll () at /usr/lib/libc.so.6
#1 0x00007f7103e7dbf9 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007f7103e7dd0c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3 0x00007f7109c50e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4 0x00007f7109bf721a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5 0x00007f7109a1940a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6 0x00007f7109a1dcbd in () at /usr/lib/libQt5Core.so.5
#7 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7f70eb99a700 (LWP 665)):
#0 0x00007f7103ec2a29 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1 0x00007f7103e7d143 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2 0x00007f7103e7db2b in () at /usr/lib/libglib-2.0.so.0
#3 0x00007f7103e7dd0c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4 0x00007f7109c50e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5 0x00007f7109bf721a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6 0x00007f7109a1940a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7 0x00007f710cbaa645 in () at /usr/lib/libQt5Qml.so.5
#8 0x00007f7109a1dcbd in () at /usr/lib/libQt5Core.so.5
#9 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7f70f1eda700 (LWP 603)):
#0 0x00007f7103ec2a29 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1 0x00007f7103e7ca80 in g_main_context_acquire () at
/usr/lib/libglib-2.0.so.0
#2 0x00007f7103e7dab5 in () at /usr/lib/libglib-2.0.so.0
#3 0x00007f7103e7dd0c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4 0x00007f7109c50e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5 0x00007f7109bf721a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6 0x00007f7109a1940a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7 0x00007f710cbaa645 in () at /usr/lib/libQt5Qml.so.5
#8 0x00007f7109a1dcbd in () at /usr/lib/libQt5Core.so.5
#9 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7f70f3942700 (LWP 562)):
#0 0x00007ffe91bed937 in ()
#1 0x00007ffe91bedbcb in clock_gettime ()
#2 0x00007f71093357b6 in clock_gettime () at /usr/lib/libc.so.6
#3 0x00007f7109c50041 in () at /usr/lib/libQt5Core.so.5
#4 0x00007f7109c4e879 in QTimerInfoList::updateCurrentTime() () at
/usr/lib/libQt5Core.so.5
#5 0x00007f7109c4ee55 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib/libQt5Core.so.5
#6 0x00007f7109c5047e in () at /usr/lib/libQt5Core.so.5
#7 0x00007f7103e7d138 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#8 0x00007f7103e7db2b in () at /usr/lib/libglib-2.0.so.0
#9 0x00007f7103e7dd0c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#10 0x00007f7109c50e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#11 0x00007f7109bf721a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#12 0x00007f7109a1940a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#13 0x00007f710a078d45 in () at /usr/lib/libQt5DBus.so.5
#14 0x00007f7109a1dcbd in () at /usr/lib/libQt5Core.so.5
#15 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#16 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7f70f9a02700 (LWP 545)):
#0 0x00007f710931e2bd in poll () at /usr/lib/libc.so.6
#1 0x00007f710e39f8e0 in () at /usr/lib/libxcb.so.1
#2 0x00007f710e3a1679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3 0x00007f70fbfa4d49 in () at /usr/lib/libQt5XcbQpa.so.5
#4 0x00007f7109a1dcbd in () at /usr/lib/libQt5Core.so.5
#5 0x00007f7108bd2297 in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f710932825f in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7f710fd3fd80 (LWP 536)):
[KCrash Handler]
#5 0x00007f710ca9909f in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f710ca68cb3 in
QV4::PersistentValueStorage::mark(QV4::ExecutionEngine*) () at
/usr/lib/libQt5Qml.so.5
#7 0x00007f710c978e1d in QV4::MemoryManager::mark() () at
/usr/lib/libQt5Qml.so.5
#8 0x00007f710c97962c in () at /usr/lib/libQt5Qml.so.5
#9 0x00007f710c97b0d8 in QV4::MemoryManager::allocString(unsigned long) () at
/usr/lib/libQt5Qml.so.5
#10 0x00007f710ca5901a in QV4::ExecutionEngine::newString(QString const&) () at
/usr/lib/libQt5Qml.so.5
#11 0x00007f710cae0037 in () at /usr/lib/libQt5Qml.so.5
#12 0x00007f70dc1a075a in ()
#13 0x0000000000000040 in ()
#14 0x00007f710c97b25c in QV4::MemoryManager::allocData(unsigned long) () at
/usr/lib/libQt5Qml.so.5
#15 0x00007ffe91aadd10 in ()
#16 0x0000000002558330 in ()
#17 0x000000000200b6c0 in ()
#18 0x000000000200b6c0 in ()
#19 0x00007f710ca68077 in QV4::ExecutionContext::simpleCall(QV4::Scope&,
QV4::CallData*, QV4::Function*) () at /usr/lib/libQt5Qml.so.5
#20 0x00007f710cb8ab99 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*, QV4::Scope&) () at /usr/lib/libQt5Qml.so.5
#21 0x00007f710cb2479e in QQmlBoundSignalExpression::evaluate(void**) () at
/usr/lib/libQt5Qml.so.5
#22 0x00007f710cb25dfb in () at /usr/lib/libQt5Qml.so.5
#23 0x00007f710cb68a83 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib/libQt5Qml.so.5
#24 0x00007f710cb07499 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#25 0x00007f7109c26c9f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#26 0x00007f705272e6a7 in () at
/usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#27 0x00007f7052717b1b in () at
/usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#28 0x00007f7052730b1d in () at
/usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#29 0x00007f7109c27465 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#30 0x00007f710df1f4dc in () at /usr/lib/libKF5Plasma.so.5
#31 0x00007f7109c27e2b in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#32 0x00007f710abb746c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#33 0x00007f710abbecf4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#34 0x00007f7109bf8b98 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#35 0x00007f7109c4fbae in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#36 0x00007f7109c50351 in () at /usr/lib/libQt5Core.so.5
#37 0x00007f7103e7da47 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#38 0x00007f7103e7dc78 in () at /usr/lib/libglib-2.0.so.0
#39 0x00007f7103e7dd0c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#40 0x00007f7109c50e7f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#41 0x00007f7109bf721a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#42 0x00007f7109bffa74 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#43 0x000000000041cc32 in ()
#44 0x00007f710925b43a in __libc_start_main () at /usr/lib/libc.so.6
#45 0x000000000041cfaa in _start ()
Reported using DrKonqi
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