https://bugs.kde.org/show_bug.cgi?id=374930
Bug ID: 374930
Summary: Plasma crashes when hot-plug new displays
Product: plasmashell
Version: 5.8.5
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: dmitry.s.lisov...@gmail.com
CC: bhus...@gmail.com, plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.8.5)
Qt Version: 5.6.1
Frameworks Version: 5.28.0
Operating System: Linux 4.8.0-34-generic x86_64
Distribution: Ubuntu 16.10
-- Information about the crash:
What I was doing when the application crashed:
When I disconnect extenal display on my macbooc pro, suspend, then wake up the
system and connect two different external displays.
The crash can be reproduced every time.
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4461e33d40 (LWP 22237))]
Thread 8 (Thread 0x7f439690c700 (LWP 22253)):
#0 0x00007f4459442029 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f44593fbee5 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f44593fc8fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f44593fcaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f445cfec4ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f445cf940fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f445cdb9d43 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f4398e1b5c7 in KCupsConnection::run() () from
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#8 0x00007f445cdbec68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f445be9e6ca in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f445c6ca0af in clone () from /lib/x86_64-linux-gnu/libc.so.6
Thread 7 (Thread 0x7f43a9e7e700 (LWP 22252)):
#0 0x00007f445c6be0bd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f44593fc9d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f44593fcaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f445cfec4ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f445cf940fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f445cdb9d43 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f4460044706 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f445cdbec68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f445be9e6ca in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007f445c6ca0af in clone () from /lib/x86_64-linux-gnu/libc.so.6
Thread 6 (Thread 0x7f43b0f96700 (LWP 22251)):
#0 0x00007f445bea44d0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1 0x00007f443ccb04d3 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2 0x00007f443ccafc17 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3 0x00007f445be9e6ca in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#4 0x00007f445c6ca0af in clone () from /lib/x86_64-linux-gnu/libc.so.6
Thread 5 (Thread 0x7f443e168700 (LWP 22250)):
#0 0x00007f445bea44d0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1 0x00007f4461891574 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x00007f44618915b9 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x00007f445be9e6ca in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#4 0x00007f445c6ca0af in clone () from /lib/x86_64-linux-gnu/libc.so.6
Thread 4 (Thread 0x7f443fdc8700 (LWP 22249)):
#0 0x00007f44593fbee5 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f44593fc8fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f44593fcaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f445cfec4ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f445cf940fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f445cdb9d43 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f445f6bdc65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f445cdbec68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f445be9e6ca in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007f445c6ca0af in clone () from /lib/x86_64-linux-gnu/libc.so.6
Thread 3 (Thread 0x7f4445c0a700 (LWP 22248)):
#0 0x00007f445c6be0bd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f44593fc9d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f44593fcaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f445cfec4ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f445cf940fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f445cdb9d43 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f445f6bdc65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f445cdbec68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f445be9e6ca in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007f445c6ca0af in clone () from /lib/x86_64-linux-gnu/libc.so.6
Thread 2 (Thread 0x7f444f6cf700 (LWP 22246)):
#0 0x00007f445c6be0bd in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f44593fc9d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f44593fcaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f445cfec4ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f445cf940fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f445cdb9d43 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f4461f70575 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f445cdbec68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f445be9e6ca in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007f445c6ca0af in clone () from /lib/x86_64-linux-gnu/libc.so.6
Thread 1 (Thread 0x7f4461e33d40 (LWP 22237)):
[KCrash Handler]
#6 0x00007f44600c72a2 in QQuickItemPrivate::addToDirtyList() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f44600d4418 in QQuickItem::componentComplete() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8 0x00007f445f6b3ad9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007f445f641de2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f445f6429e4 in QQmlIncubationController::incubateFor(int) () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f44603377bc in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#12 0x00007f445f6417ab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f445f6422c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f445f6429e4 in QQmlIncubationController::incubateFor(int) () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f44603377bc in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#16 0x00007f445f6427f2 in QQmlEnginePrivate::incubate(QQmlIncubator&,
QQmlContextData*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f445f63d988 in QQmlComponent::create(QQmlIncubator&, QQmlContext*,
QQmlContext*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f44603340c5 in
KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant>
const&) () from /usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#19 0x00007f446033418c in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#20 0x00007f4460334360 in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#21 0x00007f4460ff534b in KQuickAddons::QuickViewSharedEngine::setSource(QUrl
const&) () from /usr/lib/x86_64-linux-gnu/libKF5QuickAddons.so.5
#22 0x000055f45ea7edbf in ?? ()
#23 0x000055f45ea93fb7 in ?? ()
#24 0x00007f445cfc3bec in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f445d2deeb2 in QGuiApplication::screenAdded(QScreen*) () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#26 0x00007f445d2d1e99 in QPlatformIntegration::screenAdded(QPlatformScreen*,
bool) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#27 0x00007f444eb04659 in QXcbConnection::createScreen(QXcbVirtualDesktop*,
xcb_randr_output_change_t const&, xcb_randr_get_output_info_reply_t*) () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#28 0x00007f444eb05a2d in
QXcbConnection::updateScreens(xcb_randr_notify_event_t const*) () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#29 0x00007f444eb0674b in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#30 0x00007f444eb06c0b in QXcbConnection::processXcbEvents() () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#31 0x00007f445cfc4699 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f445d8d18ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f445d8d6d4f in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f445cf963b0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f445cf9833c in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f445cfec083 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f44593fc7d7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f44593fca40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f44593fcaec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f445cfec48f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f445cf940fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f445cf9c90c in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x000055f45ea713a4 in ?? ()
#44 0x00007f445c5e23f1 in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#45 0x000055f45ea7172a in _start ()
Reported using DrKonqi
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