https://bugs.kde.org/show_bug.cgi?id=393359
Bug ID: 393359
Summary: Plasma, nvidia through displayport
Product: plasmashell
Version: 5.12.4
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: normal
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: bugs.kde....@queuemail.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.12.4)
Qt Version: 5.9.4
Frameworks Version: 5.44.0
Operating System: Linux 4.15.17-300.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"
-- Information about the crash:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe5f3d75940 (LWP 1758))]
Thread 15 (Thread 0x7fe4fb877700 (LWP 2659)):
[KCrash Handler]
#6 0x0000000000000000 in ?? ()
#7 0x00007fe52d8cb3c4 in Plotter::render() () from
/usr/lib64/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#8 0x00007fe5ec4e0637 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#9 0x00007fe5f11eb470 in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() from /lib64/libQt5Quick.so.5
#10 0x00007fe5f1196a9c in QSGRenderThread::syncAndRender() () from
/lib64/libQt5Quick.so.5
#11 0x00007fe5f119b9a8 in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#12 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#13 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#14 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 14 (Thread 0x7fe4ca3de700 (LWP 2492)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 13 (Thread 0x7fe4cabdf700 (LWP 2491)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 12 (Thread 0x7fe4d1126700 (LWP 2489)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 11 (Thread 0x7fe4e1635700 (LWP 2474)):
#0 0x00007fe5e3976e98 in g_source_iter_next () from /lib64/libglib-2.0.so.0
#1 0x00007fe5e397933b in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979dcb in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007fe4e2c975a7 in KCupsConnection::run() () from /lib64/libkcupslib.so
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 10 (Thread 0x7fe4f8808700 (LWP 2466)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5e3979e99 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007fe5f111c116 in QQuickPixmapReader::run() () from
/lib64/libQt5Quick.so.5
#7 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#9 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 9 (Thread 0x7fe52b7e7700 (LWP 2464)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 8 (Thread 0x7fe5295c9700 (LWP 2442)):
#0 0x00007fe5eb6ae738 in read () from /lib64/libc.so.6
#1 0x00007fe5e39be0a0 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2 0x00007fe5e39799a8 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3 0x00007fe5e3979e40 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#6 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#7 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x7fe5bbb9d700 (LWP 2013)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5f3443604 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/lib64/libQt5Script.so.5
#2 0x00007fe5f3443649 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /lib64/libQt5Script.so.5
#3 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#4 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x7fe5c4ce4700 (LWP 1952)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5e3979e99 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#7 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#8 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7fe5c77fa700 (LWP 1951)):
#0 0x00007fe5e3976e92 in g_source_iter_next () from /lib64/libglib-2.0.so.0
#1 0x00007fe5e397933b in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979dcb in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007fe5f057d245 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7fe5cdf17700 (LWP 1892)):
#0 0x00007fe5ec508b4e in postEventSourcePrepare(_GSource*, int*) () from
/lib64/libQt5Core.so.5
#1 0x00007fe5e39793f9 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979dcb in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007fe5f057d245 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7fe5cf95c700 (LWP 1810)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5e3979e99 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007fe5ec920449 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#7 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#9 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7fe5d5ce6700 (LWP 1802)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5f1d2afe7 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2 0x00007fe5f1d2cdda in xcb_wait_for_event () from /lib64/libxcb.so.1
#3 0x00007fe5d7a34bf9 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7fe5f3d75940 (LWP 1758)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f1197d5d in
QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119a84d in QSGThreadedRenderLoop::handleExposure(QQuickWindow*)
() from /lib64/libQt5Quick.so.5
#4 0x00007fe5f119b139 in QSGThreadedRenderLoop::exposureChanged(QQuickWindow*)
() from /lib64/libQt5Quick.so.5
#5 0x00007fe5ecedc0c5 in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#6 0x00007fe5f11f5105 in QQuickWindow::event(QEvent*) () from
/lib64/libQt5Quick.so.5
#7 0x00007fe5ed5ea92c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#8 0x00007fe5ed5f2174 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#9 0x00007fe5ec4b7be7 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#10 0x00007fe5eced18df in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() from /lib64/libQt5Gui.so.5
#11 0x00007fe5eced251d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /lib64/libQt5Gui.so.5
#12 0x00007fe5eceab79b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#13 0x00007fe5d7a97b60 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5XcbQpa.so.5
#14 0x00007fe5e3979b77 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#15 0x00007fe5e3979f20 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#16 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#17 0x00007fe5ec508c2f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#18 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#19 0x00007fe5ec4bf094 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#20 0x00005640babb5d5a in main ()
The crash can be reproduced every time.
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe5f3d75940 (LWP 1758))]
Thread 15 (Thread 0x7fe4fb877700 (LWP 2659)):
[KCrash Handler]
#6 0x0000000000000000 in ?? ()
#7 0x00007fe52d8cb3c4 in Plotter::render() () from
/usr/lib64/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#8 0x00007fe5ec4e0637 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#9 0x00007fe5f11eb470 in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() from /lib64/libQt5Quick.so.5
#10 0x00007fe5f1196a9c in QSGRenderThread::syncAndRender() () from
/lib64/libQt5Quick.so.5
#11 0x00007fe5f119b9a8 in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#12 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#13 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#14 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 14 (Thread 0x7fe4ca3de700 (LWP 2492)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 13 (Thread 0x7fe4cabdf700 (LWP 2491)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 12 (Thread 0x7fe4d1126700 (LWP 2489)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 11 (Thread 0x7fe4e1635700 (LWP 2474)):
#0 0x00007fe5e3976e98 in g_source_iter_next () from /lib64/libglib-2.0.so.0
#1 0x00007fe5e397933b in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979dcb in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007fe4e2c975a7 in KCupsConnection::run() () from /lib64/libkcupslib.so
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 10 (Thread 0x7fe4f8808700 (LWP 2466)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5e3979e99 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007fe5f111c116 in QQuickPixmapReader::run() () from
/lib64/libQt5Quick.so.5
#7 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#9 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 9 (Thread 0x7fe52b7e7700 (LWP 2464)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f119b588 in QSGRenderThread::processEventsAndWaitForMore() ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119b9ea in QSGRenderThread::run() () from
/lib64/libQt5Quick.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 8 (Thread 0x7fe5295c9700 (LWP 2442)):
#0 0x00007fe5eb6ae738 in read () from /lib64/libc.so.6
#1 0x00007fe5e39be0a0 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2 0x00007fe5e39799a8 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3 0x00007fe5e3979e40 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#6 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#7 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x7fe5bbb9d700 (LWP 2013)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5f3443604 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/lib64/libQt5Script.so.5
#2 0x00007fe5f3443649 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /lib64/libQt5Script.so.5
#3 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#4 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x7fe5c4ce4700 (LWP 1952)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5e3979e99 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#7 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#8 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7fe5c77fa700 (LWP 1951)):
#0 0x00007fe5e3976e92 in g_source_iter_next () from /lib64/libglib-2.0.so.0
#1 0x00007fe5e397933b in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979dcb in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007fe5f057d245 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7fe5cdf17700 (LWP 1892)):
#0 0x00007fe5ec508b4e in postEventSourcePrepare(_GSource*, int*) () from
/lib64/libQt5Core.so.5
#1 0x00007fe5e39793f9 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979dcb in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7 0x00007fe5f057d245 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#8 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7fe5cf95c700 (LWP 1810)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5e3979e99 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007fe5ec508c4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5ec3078ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007fe5ec920449 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#7 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#9 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7fe5d5ce6700 (LWP 1802)):
#0 0x00007fe5eb6b2c6b in poll () from /lib64/libc.so.6
#1 0x00007fe5f1d2afe7 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2 0x00007fe5f1d2cdda in xcb_wait_for_event () from /lib64/libxcb.so.1
#3 0x00007fe5d7a34bf9 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4 0x00007fe5ec30bde2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007fe5eaa0c50b in start_thread () from /lib64/libpthread.so.0
#6 0x00007fe5eb6bd16f in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7fe5f3d75940 (LWP 1758)):
#0 0x00007fe5eaa1282d in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007fe5ec30c53b in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007fe5f1197d5d in
QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) ()
from /lib64/libQt5Quick.so.5
#3 0x00007fe5f119a84d in QSGThreadedRenderLoop::handleExposure(QQuickWindow*)
() from /lib64/libQt5Quick.so.5
#4 0x00007fe5f119b139 in QSGThreadedRenderLoop::exposureChanged(QQuickWindow*)
() from /lib64/libQt5Quick.so.5
#5 0x00007fe5ecedc0c5 in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#6 0x00007fe5f11f5105 in QQuickWindow::event(QEvent*) () from
/lib64/libQt5Quick.so.5
#7 0x00007fe5ed5ea92c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#8 0x00007fe5ed5f2174 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#9 0x00007fe5ec4b7be7 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#10 0x00007fe5eced18df in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() from /lib64/libQt5Gui.so.5
#11 0x00007fe5eced251d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /lib64/libQt5Gui.so.5
#12 0x00007fe5eceab79b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#13 0x00007fe5d7a97b60 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5XcbQpa.so.5
#14 0x00007fe5e3979b77 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#15 0x00007fe5e3979f20 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#16 0x00007fe5e3979fac in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#17 0x00007fe5ec508c2f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#18 0x00007fe5ec4b696a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#19 0x00007fe5ec4bf094 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#20 0x00005640babb5d5a in main ()
Possible duplicates by query: bug 387724.
Reported using DrKonqi
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