https://bugs.kde.org/show_bug.cgi?id=357085
Bug ID: 357085
Summary: plugout VGA output then plugin plasmashell segfault
Product: plasmashell
Version: master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Desktop Containment
Assignee: se...@kde.org
Reporter: xiangzha...@gmail.com
A desktop PC only have ONE VGA port, plugout VGA output then plugin plasmashell
segfault.
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa0a2b62800 (LWP 7561))]
Thread 7 (Thread 0x7fa08dc17700 (LWP 7574)):
#0 0x00007fa09d18918d in poll () from /usr/lib/libc.so.6
#1 0x00007fa0a12edae2 in ?? () from /usr/lib/libxcb.so.1
#2 0x00007fa0a12ef757 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3 0x00007fa08f332379 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4 0x00007fa09d874b8e in ?? () from /usr/lib/libQt5Core.so.5
#5 0x00007fa09c9914a4 in start_thread () from /usr/lib/libpthread.so.0
#6 0x00007fa09d19213d in clone () from /usr/lib/libc.so.6
Thread 6 (Thread 0x7fa0873d3700 (LWP 7680)):
#0 0x00007fa09d18918d in poll () from /usr/lib/libc.so.6
#1 0x00007fa09a103fbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007fa09a1040cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007fa09daac56b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007fa09da5357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007fa09d86fbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007fa0a0184055 in ?? () from /usr/lib/libQt5Qml.so.5
#7 0x00007fa09d874b8e in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007fa09c9914a4 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007fa09d19213d in clone () from /usr/lib/libc.so.6
Thread 5 (Thread 0x7fa07c7cb700 (LWP 7699)):
#0 0x00007fa09d18516d in read () from /usr/lib/libc.so.6
#1 0x00007fa09a147270 in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007fa09a103aa4 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#3 0x00007fa09a103f60 in ?? () from /usr/lib/libglib-2.0.so.0
#4 0x00007fa09a1040cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#5 0x00007fa09daac56b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#6 0x00007fa09da5357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#7 0x00007fa09d86fbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8 0x00007fa0a0184055 in ?? () from /usr/lib/libQt5Qml.so.5
#9 0x00007fa09d874b8e in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007fa09c9914a4 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007fa09d19213d in clone () from /usr/lib/libc.so.6
Thread 4 (Thread 0x7fa07ae15700 (LWP 7717)):
#0 0x00007fa09d18918d in poll () from /usr/lib/libc.so.6
#1 0x00007fa09a103fbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007fa09a1040cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007fa09daac56b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007fa09da5357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007fa09d86fbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007fa0a0184055 in ?? () from /usr/lib/libQt5Qml.so.5
#7 0x00007fa09d874b8e in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007fa09c9914a4 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007fa09d19213d in clone () from /usr/lib/libc.so.6
Thread 3 (Thread 0x7fa0794a7700 (LWP 7763)):
#0 0x00007fa09c99707f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007fa0a25a8934 in ?? () from /usr/lib/libQt5Script.so.5
#2 0x00007fa0a25a8979 in ?? () from /usr/lib/libQt5Script.so.5
#3 0x00007fa09c9914a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007fa09d19213d in clone () from /usr/lib/libc.so.6
Thread 2 (Thread 0x7fa07200b700 (LWP 7941)):
#0 0x00007fa09a148614 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1 0x00007fa09a1035d0 in g_main_context_prepare () from
/usr/lib/libglib-2.0.so.0
#2 0x00007fa09a103eeb in ?? () from /usr/lib/libglib-2.0.so.0
#3 0x00007fa09a1040cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4 0x00007fa09daac56b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5 0x00007fa09da5357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6 0x00007fa09d86fbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7 0x00007fa0a0b33136 in ?? () from /usr/lib/libQt5Quick.so.5
#8 0x00007fa09d874b8e in ?? () from /usr/lib/libQt5Core.so.5
#9 0x00007fa09c9914a4 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007fa09d19213d in clone () from /usr/lib/libc.so.6
Thread 1 (Thread 0x7fa0a2b62800 (LWP 7561)):
[KCrash Handler]
#5 0x00007fa09ddbb7b0 in QScreen::handle() const () from
/usr/lib/libQt5Gui.so.5
#6 0x00007fa08f339e19 in QXcbIntegration::createPlatformWindow(QWindow*) const
() from /usr/lib/libQt5XcbQpa.so.5
#7 0x00007fa09dd9d714 in QWindowPrivate::create(bool) () from
/usr/lib/libQt5Gui.so.5
#8 0x00007fa09dd9d9d8 in QWindow::winId() const () from
/usr/lib/libQt5Gui.so.5
#9 0x00007fa0a26da1e5 in ?? () from /usr/lib/libKF5PlasmaQuick.so.5
#10 0x00007fa0a26dcc29 in ?? () from /usr/lib/libKF5PlasmaQuick.so.5
#11 0x00007fa09da8431a in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#12 0x00007fa09da841a7 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#13 0x00007fa0a10bb378 in ?? () from /usr/lib/libKF5Plasma.so.5
#14 0x00007fa09da8431a in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#15 0x00007fa09da91238 in QTimer::timerEvent(QTimerEvent*) () from
/usr/lib/libQt5Core.so.5
#16 0x00007fa09da85193 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#17 0x00007fa09e5599ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#18 0x00007fa09e55ee86 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#19 0x00007fa09da55bab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#20 0x00007fa09daab36d in QTimerInfoList::activateTimers() () from
/usr/lib/libQt5Core.so.5
#21 0x00007fa09daab871 in ?? () from /usr/lib/libQt5Core.so.5
#22 0x00007fa09a103dc7 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#23 0x00007fa09a104020 in ?? () from /usr/lib/libglib-2.0.so.0
#24 0x00007fa09a1040cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#25 0x00007fa09daac54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#26 0x00007fa09da5357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#27 0x00007fa09da5b53c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#28 0x00000000004313c4 in main ()
KF5: v5.17.0
libkscreen: v5.5.90
Qt5: v5.5.1
Reproducible: Always
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