Bug 392985

Application: kwin_x11 (5.12.4)

Qt Version: 5.10.0
Frameworks Version: 5.44.0
Operating System: Linux 4.16.0-1-default x86_64
Distribution (Platform): openSUSE RPMs

-- Information about the crash:
Beforehand, this happen on a virtualbox guist running Opensuse Tumbleweed using KDE unstable repositories and Qt 5.11 beta.

- What I was doing when the application crashed:
I opened steam and run a game. After that Kwin refused to run again crash all the time, even after i switch to xrender.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fedf356f840 (LWP 2440))]

Thread 4 (Thread 0x7fedd0b47700 (LWP 2447)):
#0  0x00007fedf2ebf276 in ppoll () from /lib64/libc.so.6
#1  0x00007fedf02ba9f9 in qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fedc8000d28) at kernel/qcore_unix.cpp:112
#2  qt_safe_poll (fds=0x7fedc8000d28, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133
#3  0x00007fedf02bbfd6 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#4  0x00007fedf026595a in QEventLoop::exec (this=this@entry=0x7fedd0b46d60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fedf008cbaa in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007fedea963fd5 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007fedf0091ba0 in QThreadPrivate::start (arg=0x55b4ed91f100) at thread/qthread_unix.cpp:376
#8  0x00007fedebeaf59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007fedf2ec9a1f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fedd30d7700 (LWP 2445)):
#0  0x00007fedf2ebf276 in ppoll () from /lib64/libc.so.6
#1  0x00007fedf02ba9f9 in qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fedcc00adc8) at kernel/qcore_unix.cpp:112
#2  qt_safe_poll (fds=0x7fedcc00adc8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133
#3  0x00007fedf02bbfd6 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#4  0x00007fedf026595a in QEventLoop::exec (this=this@entry=0x7fedd30d6d50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fedf008cbaa in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007fede97fea35 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007fedf0091ba0 in QThreadPrivate::start (arg=0x7fede9a6ed60) at thread/qthread_unix.cpp:376
#8  0x00007fedebeaf59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007fedf2ec9a1f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fedd95cf700 (LWP 2443)):
#0  0x00007fedf2ebf179 in poll () from /lib64/libc.so.6
#1  0x00007fedf1dcd387 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fedf1dcefaa in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fedda6e60a9 in QXcbEventReader::run (this=0x55b4ed7adbb0) at qxcbconnection.cpp:1370
#4  0x00007fedf0091ba0 in QThreadPrivate::start (arg=0x55b4ed7adbb0) at thread/qthread_unix.cpp:376
#5  0x00007fedebeaf59b in start_thread () from /lib64/libpthread.so.0
#6  0x00007fedf2ec9a1f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fedf356f840 (LWP 2440)):
[KCrash Handler]
#6  0x00007fedf2aa7584 in KWin::Decoration::DecoratedClientImpl::isApplicationMenuActive (this=0x7ffcdfa39ae0) at /usr/src/debug/kwin5-5.12.4-1.1.x86_64/decorations/decoratedclient.cpp:297
#7  0x00007fedee91c9b5 in KDecoration2::DecoratedClient::color (this=this@entry=0x55b4ed8a8c50, group=<optimized out>, role=role@entry=KDecoration2::ColorRole::Frame) at /usr/src/debug/libkdecoration2-5.12.80git.20180321T001502~05b3b8b-24.2.x86_64/src/decoratedclient.cpp:100
#8  0x00007fedd1831f7e in Breeze::Decoration::paint (this=0x55b4ed93d910, painter=0x7ffcdfa39b68, repaintRegion=...) at /usr/src/debug/breeze-5.12.80git.20180403T152031~2983e639-20.2.x86_64/kdecoration/breezedecoration.cpp:445
#9  0x00007fedf2ab293d in KWin::Decoration::Renderer::renderToImage (this=this@entry=0x7fedd40034d0, geo=...) at /usr/src/debug/kwin5-5.12.4-1.1.x86_64/decorations/decorationrenderer.cpp:77
#10 0x00007fedd26b325f in KWin::Decoration::X11Renderer::<lambda(const QRect&)>::operator() (geo=..., __closure=<synthetic pointer>) at /usr/src/debug/kwin5-5.12.4-1.1.x86_64/plugins/platforms/x11/standalone/x11_decoration_renderer.cpp:94
#11 KWin::Decoration::X11Renderer::render (this=0x7fedd40034d0) at /usr/src/debug/kwin5-5.12.4-1.1.x86_64/plugins/platforms/x11/standalone/x11_decoration_renderer.cpp:99
#12 0x00007fedf029536c in QtPrivate::QSlotObjectBase::call (a=0x7ffcdfa39dc0, r=0x7fedd40034d0, this=0x55b4eda8e210) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378
#13 QMetaObject::activate (sender=sender@entry=0x55b4ed983300, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcdfa39dc0) at kernel/qobject.cpp:3749
#14 0x00007fedf0295977 in QMetaObject::activate (sender=sender@entry=0x55b4ed983300, m=m@entry=0x7fedf06c4ea0 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcdfa39dc0) at kernel/qobject.cpp:3628
#15 0x00007fedf02a16e7 in QTimer::timeout (this=this@entry=0x55b4ed983300, _t1=...) at .moc/moc_qtimer.cpp:200
#16 0x00007fedf02a1a18 in QTimer::timerEvent (this=0x55b4ed983300, e=<optimized out>) at kernel/qtimer.cpp:255
#17 0x00007fedf0295c0b in QObject::event (this=0x55b4ed983300, e=<optimized out>) at kernel/qobject.cpp:1268
#18 0x00007fedf0ffa01c in QApplicationPrivate::notify_helper (this=this@entry=0x55b4ed7902d0, receiver=receiver@entry=0x55b4ed983300, e=e@entry=0x7ffcdfa3a0a0) at kernel/qapplication.cpp:3733
#19 0x00007fedf1001314 in QApplication::notify (this=0x7ffcdfa3a320, receiver=0x55b4ed983300, e=0x7ffcdfa3a0a0) at kernel/qapplication.cpp:3492
#20 0x00007fedf0267148 in QCoreApplication::notifyInternal2 (receiver=0x55b4ed983300, event=event@entry=0x7ffcdfa3a0a0) at kernel/qcoreapplication.cpp:1044
#21 0x00007fedf02bdfbe in QCoreApplication::sendEvent (event=0x7ffcdfa3a0a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#22 QTimerInfoList::activateTimers (this=this@entry=0x55b4ed840790) at kernel/qtimerinfo_unix.cpp:643
#23 0x00007fedf02bb4dc in QEventDispatcherUNIXPrivate::activateTimers (this=this@entry=0x55b4ed8406f0) at kernel/qeventdispatcher_unix.cpp:249
#24 0x00007fedf02bc242 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:514
#25 0x00007fedda767a1d in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:68
#26 0x00007fedf026595a in QEventLoop::exec (this=this@entry=0x7ffcdfa3a240, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#27 0x00007fedf026e494 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1332
#28 0x00007fedf319960b in kdemain (argc=<optimized out>, argv=0x7ffcdfa3a4b8) at /usr/src/debug/kwin5-5.12.4-1.1.x86_64/main_x11.cpp:468
#29 0x00007fedf2df1a87 in __libc_start_main () from /lib64/libc.so.6
#30 0x000055b4ec4ca7fa in _start () at ../sysdeps/x86_64/start.S:120

The reporter indicates this bug may be a duplicate of or related to bug 389232.

Possible duplicates by query: bug 389232.

Reported using DrKonqi