https://bugs.kde.org/show_bug.cgi?id=387495
Bug ID: 387495
Summary: Restarting virtual machine (KVM) caused plasma crash
Product: plasmashell
Version: 5.11.3
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: x...@x-s.com.pl
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.11.3)
Qt Version: 5.9.2
Frameworks Version: 5.40.0
Operating System: Linux 4.13.15-300.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"
-- Information about the crash:
I had Win7 VM (KVM based) opened in Virtual Machine Manager. Rebooting VM
caused screen to flicker then plasma crashed.
The crash can be reproduced sometimes.
-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f684af6b940 (LWP 31396))]
Thread 9 (Thread 0x7f675e8fc700 (LWP 31528)):
#0 0x00007f683abbf430 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1 0x00007f683ab79d8d in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2 0x00007f683ab79fec in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f684373735b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f68436e50ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f68435368ba in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f675ff5f577 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7 0x00007f684353ab92 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#9 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 8 (Thread 0x7f677175a700 (LWP 31506)):
#0 0x00007f68428c7e38 in read () at /lib64/libc.so.6
#1 0x00007f683abbe0e0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2 0x00007f683ab799e8 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3 0x00007f683ab79e80 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4 0x00007f683ab79fec in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5 0x00007f684373735b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6 0x00007f68436e50ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7 0x00007f68435368ba in QThread::exec() () at /lib64/libQt5Core.so.5
#8 0x00007f684353ab92 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#9 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 7 (Thread 0x7f67892c0700 (LWP 31502)):
#0 0x00007f68428cc8bb in poll () at /lib64/libc.so.6
#1 0x00007f683ab79ed9 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2 0x00007f683ab79fec in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f684373735b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f68436e50ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f68435368ba in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f68483351f6 in QQuickPixmapReader::run() () at
/lib64/libQt5Quick.so.5
#7 0x00007f684353ab92 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#9 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 6 (Thread 0x7f681d16f700 (LWP 31500)):
#0 0x00007f6841c0ec3b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f684a64b604 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2 0x00007f684a64b649 in () at /lib64/libQt5Script.so.5
#3 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#4 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7f681f5a0700 (LWP 31499)):
#0 0x00007f68428cc8bb in poll () at /lib64/libc.so.6
#1 0x00007f683ab79ed9 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2 0x00007f683ab79fec in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3 0x00007f684373735b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4 0x00007f68436e50ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5 0x00007f68435368ba in QThread::exec() () at /lib64/libQt5Core.so.5
#6 0x00007f68477992a5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7 0x00007f684353ab92 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#9 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7f68254d8700 (LWP 31498)):
#0 0x00007f683abbf434 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1 0x00007f683ab7942c in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2 0x00007f683ab79e0b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3 0x00007f683ab79fec in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4 0x00007f684373735b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5 0x00007f68436e50ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6 0x00007f68435368ba in QThread::exec() () at /lib64/libQt5Core.so.5
#7 0x00007f68477992a5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8 0x00007f684353ab92 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#9 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7f6826f1f700 (LWP 31497)):
#0 0x00007f68428c7e38 in read () at /lib64/libc.so.6
#1 0x00007f683abbe0e0 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2 0x00007f683ab799e8 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3 0x00007f683ab79e80 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4 0x00007f683ab79fec in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5 0x00007f684373735b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6 0x00007f68436e50ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7 0x00007f68435368ba in QThread::exec() () at /lib64/libQt5Core.so.5
#8 0x00007f6843b4d479 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#9 0x00007f684353ab92 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7f682d0ea700 (LWP 31460)):
#0 0x00007f68428cc8bb in poll () at /lib64/libc.so.6
#1 0x00007f6848f3ffe7 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2 0x00007f6848f41dda in xcb_wait_for_event () at /lib64/libxcb.so.1
#3 0x00007f682ee38a49 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4 0x00007f684353ab92 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5 0x00007f6841c08609 in start_thread () at /lib64/libpthread.so.0
#6 0x00007f68428d8e6f in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7f684af6b940 (LWP 31396)):
[KCrash Handler]
#6 0x00007f67562ef750 in NetworkManager::Device::ipInterfaceName() const () at
/lib64/libKF5NetworkManagerQt.so.6
#7 0x00007f6757bb8e28 in NetworkModel::addAvailableConnection(QString const&,
QSharedPointer<NetworkManager::Device> const&) () at
/lib64/libplasmanm_internal.so
#8 0x00007f6757bb9c5e in NetworkModel::availableConnectionAppeared(QString
const&) () at /lib64/libplasmanm_internal.so
#9 0x00007f684370ece7 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#10 0x00007f67563aa875 in
NetworkManager::Device::availableConnectionAppeared(QString const&) () at
/lib64/libKF5NetworkManagerQt.so.6
#11 0x00007f67562f1d2d in
NetworkManager::DevicePrivate::propertyChanged(QString const&, QVariant const&)
() at /lib64/libKF5NetworkManagerQt.so.6
#12 0x00007f6756340ca0 in
NetworkManager::GreDevicePrivate::propertyChanged(QString const&, QVariant
const&) () at /lib64/libKF5NetworkManagerQt.so.6
#13 0x00007f67562efdc2 in
NetworkManager::DevicePrivate::propertiesChanged(QMap<QString, QVariant>
const&) () at /lib64/libKF5NetworkManagerQt.so.6
#14 0x00007f67563bafc5 in
NetworkManager::DevicePrivate::qt_metacall(QMetaObject::Call, int, void**) ()
at /lib64/libKF5NetworkManagerQt.so.6
#15 0x00007f6843b58428 in QDBusConnectionPrivate::deliverCall(QObject*, int,
QDBusMessage const&, QVector<int> const&, int) () at /lib64/libQt5DBus.so.5
#16 0x00007f684370f91a in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#17 0x00007f68448156ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#18 0x00007f684481cef4 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#19 0x00007f68436e6367 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#20 0x00007f68436e8aeb in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#21 0x00007f6843737553 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#22 0x00007f683ab79bb7 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#23 0x00007f683ab79f60 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#24 0x00007f683ab79fec in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#25 0x00007f684373733f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#26 0x00007f68436e50ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#27 0x00007f68436ed744 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#28 0x0000558fd01acf1c in main ()
Reported using DrKonqi
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