https://bugs.kde.org/show_bug.cgi?id=385128
Bug ID: 385128
Summary: Plasmashell crashes while changing display settings
with xrandr
Product: plasmashell
Version: 5.10.5
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: von.kde....@martin-ueding.de
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.10.5)
Qt Version: 5.7.1
Frameworks Version: 5.36.0
Operating System: Linux 4.12.13-300.fc26.x86_64 x86_64
Distribution: "Fedora release 26 (Twenty Six)"
-- Information about the crash:
I have two screens attached as DP-1 and DP-2. One of them is rotated. When I am
logged into Plasma, it often has the screens set up correctly but the
physically secondary runs as the primary. My primary desktop (including Plasma
panel) is on the sidekick monitor. I have a little shell script that calls
xrandr and fixes this. However, just setting the center screen as primary does
not cause Plasma to switch the screen contents. So I deactivate the sidekick
screen and then activate it again. This is usually where Plasma crashes.
After it has restarted, the Plasma panel is still on the wrong screen.
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 0x7f0bff90b4c0 (LWP 1726))]
Thread 7 (Thread 0x7f0b4ffff700 (LWP 2489)):
#0 0x00007f0c0abcbf9f in pthread_getspecific () at /lib64/libpthread.so.0
#1 0x00007f0c045e4a20 in g_thread_self () at /lib64/libglib-2.0.so.0
#2 0x00007f0c045bc43e in g_main_context_acquire () at /lib64/libglib-2.0.so.0
#3 0x00007f0c045bd425 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4 0x00007f0c045bd67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5 0x00007f0c0c694e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6 0x00007f0c0c64560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7 0x00007f0c0c49d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#8 0x00007f0b402fc497 in KCupsConnection::run() () at /lib64/libkcupslib.so
#9 0x00007f0c0c4a1c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f0c0abc436d in start_thread () at /lib64/libpthread.so.0
#11 0x00007f0c0b888bbf in clone () at /lib64/libc.so.6
Thread 6 (Thread 0x7f0b55229700 (LWP 2467)):
#0 0x00007f0c046024c4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1 0x00007f0c045bcf91 in g_main_context_check () at /lib64/libglib-2.0.so.0
#2 0x00007f0c045bd510 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3 0x00007f0c045bd67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4 0x00007f0c0c694e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5 0x00007f0c0c64560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6 0x00007f0c0c49d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#7 0x00007f0c10090ff6 in QQuickPixmapReader::run() () at
/lib64/libQt5Quick.so.5
#8 0x00007f0c0c4a1c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#9 0x00007f0c0abc436d in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0c0b888bbf in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7f0be2bde700 (LWP 2440)):
#0 0x00007f0c0abca90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f0c12163534 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2 0x00007f0c12163579 in () at /lib64/libQt5Script.so.5
#3 0x00007f0c0abc436d in start_thread () at /lib64/libpthread.so.0
#4 0x00007f0c0b888bbf in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7f0be8ae3700 (LWP 2350)):
#0 0x00007f0c045bcbc4 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1 0x00007f0c045bd49b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2 0x00007f0c045bd67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f0c0c694e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f0c0c64560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f0c0c49d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f0c0f7099b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7 0x00007f0c0c4a1c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f0c0abc436d in start_thread () at /lib64/libpthread.so.0
#9 0x00007f0c0b888bbf in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7f0bea3b8700 (LWP 2307)):
#0 0x00007f0c0b87cacd in poll () at /lib64/libc.so.6
#1 0x00007f0c045bd569 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2 0x00007f0c045bd67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f0c0c694e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f0c0c64560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f0c0c49d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f0c0f7099b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7 0x00007f0c0c4a1c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f0c0abc436d in start_thread () at /lib64/libpthread.so.0
#9 0x00007f0c0b888bbf in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7f0bff904700 (LWP 1761)):
#0 0x00007f0c0b87cacd in poll () at /lib64/libc.so.6
#1 0x00007f0c045bd569 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2 0x00007f0c045bd67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f0c0c694e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f0c0c64560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f0c0c49d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f0c0c8a0a39 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#7 0x00007f0c0c4a1c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f0c0abc436d in start_thread () at /lib64/libpthread.so.0
#9 0x00007f0c0b888bbf in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7f0bff90b4c0 (LWP 1726)):
[KCrash Handler]
#6 0x00007f0c0ca2fc30 in QScreen::size() const () at /lib64/libQt5Gui.so.5
#7 0x000055d585ff2b89 in PanelView::resizePanel() [clone .part.53] ()
#8 0x000055d585ff83ce in PanelView::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) ()
#9 0x000055d585ff86e3 in PanelView::qt_metacall(QMetaObject::Call, int,
void**) ()
#10 0x00007f0c0f687212 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#11 0x00007f0c0f68898b in QQmlPropertyPrivate::writeValueProperty(QObject*,
QQmlPropertyData const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#12 0x00007f0c0f751fcd in QQmlBind::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#13 0x00007f0c0f752113 in QQmlBind::qt_metacall(QMetaObject::Call, int, void**)
() at /lib64/libQt5Qml.so.5
#14 0x00007f0c0f686f33 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#15 0x00007f0c0f68898b in QQmlPropertyPrivate::writeValueProperty(QObject*,
QQmlPropertyData const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#16 0x00007f0c0f6f5691 in QQmlBinding::write(QQmlPropertyData const&,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#17 0x00007f0c0f6f6c95 in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#18 0x00007f0c0f6cc673 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /lib64/libQt5Qml.so.5
#19 0x00007f0c0f677689 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#20 0x00007f0c0c66d38f in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#21 0x00007f0be1ea4423 in QQuickLayoutAttached::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#22 0x00007f0c0c65335d in QMetaProperty::write(QObject*, QVariant const&) const
() at /lib64/libQt5Core.so.5
#23 0x00007f0c0c675aa0 in QObject::setProperty(char const*, QVariant const&) ()
at /lib64/libQt5Core.so.5
#24 0x00007f0c1228ea95 in
PlasmaQuick::AppletQuickItemPrivate::propagateSizeHint(QByteArray const&) () at
/lib64/libKF5PlasmaQuick.so.5
#25 0x00007f0c1228ec2b in
PlasmaQuick::AppletQuickItemPrivate::preferredWidthChanged() () at
/lib64/libKF5PlasmaQuick.so.5
#26 0x00007f0c12292c59 in
PlasmaQuick::AppletQuickItem::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**) () at /lib64/libKF5PlasmaQuick.so.5
#27 0x00007f0c0c66da73 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#28 0x00007f0be1ea4423 in QQuickLayoutAttached::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#29 0x00007f0c0f6f58e1 in QQmlBinding::write(QQmlPropertyData const&,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#30 0x00007f0c0f6f6c95 in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#31 0x00007f0c0f6cc673 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /lib64/libQt5Qml.so.5
#32 0x00007f0c0f677689 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#33 0x00007f0c0c66d38f in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#34 0x00007f0be1ea4423 in QQuickLayoutAttached::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#35 0x00007f0c0f6f58e1 in QQmlBinding::write(QQmlPropertyData const&,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#36 0x00007f0c0f6f6c95 in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#37 0x00007f0c0f6cc673 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /lib64/libQt5Qml.so.5
#38 0x00007f0c0f677689 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#39 0x00007f0c0c66d38f in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#40 0x00007f0be1ea4423 in QQuickLayoutAttached::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#41 0x00007f0c0f6f58e1 in QQmlBinding::write(QQmlPropertyData const&,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#42 0x00007f0c0f6f6c95 in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#43 0x00007f0c0f6cc673 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /lib64/libQt5Qml.so.5
#44 0x00007f0c0f677689 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#45 0x00007f0c0c66d38f in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#46 0x00007f0be1ea4423 in QQuickLayoutAttached::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#47 0x00007f0c0c65335d in QMetaProperty::write(QObject*, QVariant const&) const
() at /lib64/libQt5Core.so.5
#48 0x00007f0c0c675aa0 in QObject::setProperty(char const*, QVariant const&) ()
at /lib64/libQt5Core.so.5
#49 0x00007f0c1228ea95 in
PlasmaQuick::AppletQuickItemPrivate::propagateSizeHint(QByteArray const&) () at
/lib64/libKF5PlasmaQuick.so.5
#50 0x00007f0c1228eb0b in
PlasmaQuick::AppletQuickItemPrivate::minimumWidthChanged() () at
/lib64/libKF5PlasmaQuick.so.5
#51 0x00007f0c12292c31 in
PlasmaQuick::AppletQuickItem::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**) () at /lib64/libKF5PlasmaQuick.so.5
#52 0x00007f0c0c66da73 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#53 0x00007f0be1ea4423 in QQuickLayoutAttached::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#54 0x00007f0c0f6f58e1 in QQmlBinding::write(QQmlPropertyData const&,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#55 0x00007f0c0f6f6c95 in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#56 0x00007f0c0f6cc673 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /lib64/libQt5Qml.so.5
#57 0x00007f0c0f677689 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#58 0x00007f0c0c66d38f in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#59 0x00007f0c0f673297 in QQmlVMEMetaObject::metaCall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#60 0x00007f0c0f6f58e1 in QQmlBinding::write(QQmlPropertyData const&,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#61 0x00007f0c0f6f6c95 in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/lib64/libQt5Qml.so.5
#62 0x00007f0c0f6cc673 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /lib64/libQt5Qml.so.5
#63 0x00007f0c0f677689 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /lib64/libQt5Qml.so.5
#64 0x00007f0c0c66d38f in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#65 0x00007f0c0c66db97 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#66 0x00007f0c0cf78e31 in QDesktopWidget::screenCountChanged(int) () at
/lib64/libQt5Widgets.so.5
#67 0x00007f0c0cf7a911 in QDesktopWidgetPrivate::_q_updateScreens() () at
/lib64/libQt5Widgets.so.5
#68 0x00007f0c0c66da73 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#69 0x00007f0c0c9ff4b2 in QGuiApplication::screenAdded(QScreen*) () at
/lib64/libQt5Gui.so.5
#70 0x00007f0bfeff176b in QXcbConnection::createScreen(QXcbVirtualDesktop*,
xcb_randr_output_change_t const&, xcb_randr_get_output_info_reply_t*) () at
/lib64/libQt5XcbQpa.so.5
#71 0x00007f0bfeff2abe in
QXcbConnection::updateScreens(xcb_randr_notify_event_t const*) () at
/lib64/libQt5XcbQpa.so.5
#72 0x00007f0bfeff3a13 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /lib64/libQt5XcbQpa.so.5
#73 0x00007f0bfeff3e52 in QXcbConnection::processXcbEvents() () at
/lib64/libQt5XcbQpa.so.5
#74 0x00007f0c0c66e8da in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#75 0x00007f0c0cf1c5dc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#76 0x00007f0c0cf23c74 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#77 0x00007f0c0c646627 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#78 0x00007f0c0c64885b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#79 0x00007f0c0c694dd3 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#80 0x00007f0c045bd247 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#81 0x00007f0c045bd5e8 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#82 0x00007f0c045bd67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#83 0x00007f0c0c694e4f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#84 0x00007f0c0c64560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#85 0x00007f0c0c64d27c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#86 0x000055d585fe63b2 in main ()
Possible duplicates by query: bug 373700, bug 373025, bug 372301.
Reported using DrKonqi
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