https://bugs.kde.org/show_bug.cgi?id=377225
Bug ID: 377225
Summary: kwin crash when saving VirtualBox settings
Product: kwin
Version: 5.9.3
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: ed.gres...@greshko.com
Target Milestone: ---
Application: kwin_x11 (5.9.3)
Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.9.13-200.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"
-- Information about the crash:
- What I was doing when the application crashed: Making changes to the
preferences of a VirtualBox VM. Click OK and kwin will crash every time.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc937f47940 (LWP 2992))]
Thread 5 (Thread 0x7fc92de93700 (LWP 4452)):
#0 0x00007fc9473460e1 in ppoll () at /lib64/libc.so.6
#1 0x00007fc94814a971 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /lib64/libQt5Core.so.5
#2 0x00007fc94814be86 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#3 0x00007fc9480ff68a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#4 0x00007fc947f5c5e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#5 0x00007fc94ea454e5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#6 0x00007fc947f609ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7 0x00007fc949edc6ca in start_thread () at /lib64/libpthread.so.0
#8 0x00007fc947351f7f in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7fc911bdc700 (LWP 3460)):
#0 0x00007fc949ee2460 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007fc94f7f12f4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2 0x00007fc94f7f1339 in () at /lib64/libQt5Script.so.5
#3 0x00007fc949edc6ca in start_thread () at /lib64/libpthread.so.0
#4 0x00007fc947351f7f in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7fc92d054700 (LWP 3379)):
#0 0x00007fc9473460e1 in ppoll () at /lib64/libc.so.6
#1 0x00007fc94814a971 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /lib64/libQt5Core.so.5
#2 0x00007fc94814be86 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#3 0x00007fc9480ff68a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#4 0x00007fc947f5c5e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#5 0x00007fc94ea454e5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#6 0x00007fc947f609ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7 0x00007fc949edc6ca in start_thread () at /lib64/libpthread.so.0
#8 0x00007fc947351f7f in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7fc92f175700 (LWP 3042)):
#0 0x00007fc9473460e1 in ppoll () at /lib64/libc.so.6
#1 0x00007fc94814a971 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /lib64/libQt5Core.so.5
#2 0x00007fc94814be86 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#3 0x00007fc9480ff68a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#4 0x00007fc947f5c5e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#5 0x00007fc94c680739 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#6 0x00007fc947f609ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7 0x00007fc949edc6ca in start_thread () at /lib64/libpthread.so.0
#8 0x00007fc947351f7f in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7fc937f47940 (LWP 2992)):
[KCrash Handler]
#6 0x0000000080000003 in ()
#7 0x00007fc94812d878 in QObject::connect(QObject const*, char const*, QObject
const*, char const*, Qt::ConnectionType) () at /lib64/libQt5Core.so.5
#8 0x00007fc94f833d2f in QScriptEnginePrivate::qobjectData(QObject*) () at
/lib64/libQt5Script.so.5
#9 0x00007fc94f833df4 in QScriptEnginePrivate::newQObject(QObject*,
QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&)
() at /lib64/libQt5Script.so.5
#10 0x00007fc94f8340e2 in QScriptEngine::newQObject(QObject*,
QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&)
() at /lib64/libQt5Script.so.5
#11 0x00007fc950216f2c in KWin::effectWindowToScriptValue(QScriptEngine*,
KWin::EffectWindow* const&) () at /lib64/libkwin.so.5
#12 0x00007fc94f834395 in QScriptEnginePrivate::create(QTJSC::ExecState*, int,
void const*) () at /lib64/libQt5Script.so.5
#13 0x00007fc94f85d0d6 in QScript::QObjectConnectionManager::execute(int,
void**) () at /lib64/libQt5Script.so.5
#14 0x00007fc94f8653e1 in
QScript::QObjectConnectionManager::qt_metacall(QMetaObject::Call, int, void**)
() at /lib64/libQt5Script.so.5
#15 0x00007fc94812789b in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#16 0x00007fc94fe257d8 in
KWin::EffectsHandler::desktopPresenceChanged(KWin::EffectWindow*, int, int) ()
at /lib64/libkwineffects.so.10
#17 0x00007fc94fe271a1 in KWin::EffectsHandler::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libkwineffects.so.10
#18 0x00007fc9481287e9 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#19 0x00007fc948940ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#20 0x00007fc948948671 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#21 0x00007fc9481006fa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#22 0x00007fc948102de0 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#23 0x00007fc94814bcfb in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#24 0x00007fc93131c70d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQt5XcbQpa.so.5
#25 0x00007fc9480ff68a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#26 0x00007fc94810718c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#27 0x00007fc95053d002 in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#28 0x00007fc94726a401 in __libc_start_main () at /lib64/libc.so.6
#29 0x00005647f7415cca in _start ()
Reported using DrKonqi
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