https://bugs.kde.org/show_bug.cgi?id=363224
Bug ID: 363224
Summary: Kwin crashes from time to time (this time using
Virtual Machine Manager)
Product: kwin
Version: 5.6.3
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: estmih...@gmail.com
Application: kwin_x11 (5.6.3)
Qt Version: 5.6.0
Frameworks Version: 5.21.0
Operating System: Linux 4.2.3-300.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"
-- Information about the crash:
- What I was doing when the application crashed:
I was using the Virtual Machine Manager 1.3.2 and I had just deleted a virtual
machine from inside the app.
- Unusual behavior I noticed:
There was nothing unusual during this time (I've had some problems with KWin
crashing and scrolling and desktop effect flickering the screen, which is
usually remedied by killing KWin and starting it again).
- Custom settings of the application:
Plasma has desktop effects on. Also, Virtual Machine Manager is not a Qt app
(aka not KDE), but rather a GNOME app without the special GNOME 3-styled big
title bar.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f37b0b8b940 (LWP 2170))]
Thread 7 (Thread 0x7f37a3df4700 (LWP 2217)):
#0 0x00007fffa94b7929 in ()
#1 0x00007fffa94b7c55 in clock_gettime ()
#2 0x00007f37c0ec3a06 in clock_gettime () at /lib64/libc.so.6
#3 0x00007f37c228ad86 in qt_gettime() () at /lib64/libQt5Core.so.5
#4 0x00007f37c24055d9 in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#5 0x00007f37c2405b45 in QTimerInfoList::timerWait(timespec&) () at
/lib64/libQt5Core.so.5
#6 0x00007f37c24051a2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#7 0x00007f37c23b04ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#8 0x00007f37c21d9f34 in QThread::exec() () at /lib64/libQt5Core.so.5
#9 0x00007f37c37094b5 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#10 0x00007f37c21ded48 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#11 0x00007f37c3c0860a in start_thread () at /lib64/libpthread.so.0
#12 0x00007f37c0eb578d in clone () at /lib64/libc.so.6
Thread 6 (Thread 0x7f37a1ee1700 (LWP 2267)):
#0 0x00007fffa94b7927 in ()
#1 0x00007fffa94b7c55 in clock_gettime ()
#2 0x00007f37c0ec3a06 in clock_gettime () at /lib64/libc.so.6
#3 0x00007f37c228ad86 in qt_gettime() () at /lib64/libQt5Core.so.5
#4 0x00007f37c24055d9 in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#5 0x00007f37c24049db in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /lib64/libQt5Core.so.5
#6 0x00007f37c24051f2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#7 0x00007f37c23b04ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#8 0x00007f37c21d9f34 in QThread::exec() () at /lib64/libQt5Core.so.5
#9 0x00007f37c88cc1b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#10 0x00007f37c21ded48 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#11 0x00007f37c3c0860a in start_thread () at /lib64/libpthread.so.0
#12 0x00007f37c0eb578d in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7f3790c84700 (LWP 2277)):
#0 0x00007f37c3c0db10 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f37a07c23b3 in radeon_drm_cs_emit_ioctl () at
/usr/lib64/dri/r600_dri.so
#2 0x00007f37a07c1b07 in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3 0x00007f37c3c0860a in start_thread () at /lib64/libpthread.so.0
#4 0x00007f37c0eb578d in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7f378f77c700 (LWP 2283)):
#0 0x00007f37c3c0db10 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f37c98972d4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2 0x00007f37c9897319 in () at /lib64/libQt5Script.so.5
#3 0x00007f37c3c0860a in start_thread () at /lib64/libpthread.so.0
#4 0x00007f37c0eb578d in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7f3706fe6700 (LWP 2501)):
#0 0x00007fffa94b7929 in ()
#1 0x00007fffa94b7c55 in clock_gettime ()
#2 0x00007f37c0ec3a06 in clock_gettime () at /lib64/libc.so.6
#3 0x00007f37c228ad86 in qt_gettime() () at /lib64/libQt5Core.so.5
#4 0x00007f37c24055d9 in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#5 0x00007f37c2405b45 in QTimerInfoList::timerWait(timespec&) () at
/lib64/libQt5Core.so.5
#6 0x00007f37c24051a2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#7 0x00007f37c23b04ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#8 0x00007f37c21d9f34 in QThread::exec() () at /lib64/libQt5Core.so.5
#9 0x00007f37c88cc1b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#10 0x00007f37c21ded48 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#11 0x00007f37c3c0860a in start_thread () at /lib64/libpthread.so.0
#12 0x00007f37c0eb578d in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7f378ff7d700 (LWP 9842)):
#0 0x00007f37c23df6a2 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /lib64/libQt5Core.so.5
#1 0x00007f37c24050c5 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#2 0x00007f37c23b04ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#3 0x00007f37c21d9f34 in QThread::exec() () at /lib64/libQt5Core.so.5
#4 0x00007f37c88cc1b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#5 0x00007f37c21ded48 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#6 0x00007f37c3c0860a in start_thread () at /lib64/libpthread.so.0
#7 0x00007f37c0eb578d in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7f37b0b8b940 (LWP 2170)):
[KCrash Handler]
#5 0x0000000000000110 in ()
#6 0x00007f37c23e4de0 in QObject::connect(QObject const*, char const*, QObject
const*, char const*, Qt::ConnectionType) () at /lib64/libQt5Core.so.5
#7 0x00007f37c98d9dbf in QScriptEnginePrivate::qobjectData(QObject*) () at
/lib64/libQt5Script.so.5
#8 0x00007f37c98d9e84 in QScriptEnginePrivate::newQObject(QObject*,
QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&)
() at /lib64/libQt5Script.so.5
#9 0x00007f37c98da112 in QScriptEngine::newQObject(QObject*,
QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&)
() at /lib64/libQt5Script.so.5
#10 0x00007f37ca2b77fc in KWin::effectWindowToScriptValue(QScriptEngine*,
KWin::EffectWindow* const&) () at /lib64/libkwin.so.5
#11 0x00007f37c98da435 in QScriptEnginePrivate::create(QTJSC::ExecState*, int,
void const*) () at /lib64/libQt5Script.so.5
#12 0x00007f37c9902a73 in QScript::QObjectConnectionManager::execute(int,
void**) () at /lib64/libQt5Script.so.5
#13 0x00007f37c990b3f5 in
QScript::QObjectConnectionManager::qt_metacall(QMetaObject::Call, int, void**)
() at /lib64/libQt5Script.so.5
#14 0x00007f37c23def70 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#15 0x00007f37c9edf9a8 in
KWin::EffectsHandler::desktopPresenceChanged(KWin::EffectWindow*, int, int) ()
at /lib64/libkwineffects.so.8
#16 0x00007f37c9ee0f9c in KWin::EffectsHandler::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libkwineffects.so.8
#17 0x00007f37c23dfc29 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#18 0x00007f37c2ce6c0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#19 0x00007f37c2cebe76 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#20 0x00007f37c23b2748 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#21 0x00007f37c23b460a in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#22 0x00007f37c24050d2 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#23 0x00007f37a9e0660d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQt5XcbQpa.so.5
#24 0x00007f37c23b04ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#25 0x00007f37c23b8b8c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#26 0x00007f37ca5cef0d in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#27 0x00007f37c0dd3580 in __libc_start_main () at /lib64/libc.so.6
#28 0x000055d9b6519d49 in _start ()
Reported using DrKonqi
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