Application: kwin_x11 (5.18.5)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.3.0-53-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

-- Information about the crash:
- What I was doing when the application crashed:
Wine 4.0 fullscreen app with diffrent resolution gets lockscreen at original res. Then crash when unlocking.

- Unusual behavior I noticed:
Buggy when wine fullscreen at diffrent resolution from original desctop.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1872395040 (LWP 2295))]

Thread 7 (Thread 0x7f1850aeb700 (LWP 20233)):
#0  0x00007f1871ce4cf6 in __GI_ppoll (fds=fds@entry=0x7f18440a1068, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f186ee844e1 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f18440a1068) at kernel/qcore_unix.cpp:132
#3  qt_safe_poll (fds=0x7f18440a1068, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#4  0x00007f186ee85ca2 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f186ee27d2a in QEventLoop::exec (this=this@entry=0x7f1850aeada0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f186ec38757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f186ec39c2c in QThreadPrivate::start (arg=0x5592283d4f80) at thread/qthread_unix.cpp:342
#8  0x00007f186ac9d6db in start_thread (arg=0x7f1850aeb700) at pthread_create.c:463
#9  0x00007f1871cf188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1848974700 (LWP 7932)):
[KCrash Handler]
#4  0x00007f185a992b2f in QXcbIntegration::createPlatformOpenGLContext (this=<optimized out>, context=0x559229a52420) at qxcbintegration.cpp:285
#5  0x00007f186f46999f in QOpenGLContext::create (this=0x559229a52420) at kernel/qopenglcontext.cpp:612
#6  0x00007f1869dec219 in QSGRenderThread::sync (this=this@entry=0x559229738530, inExpose=inExpose@entry=true, inGrab=inGrab@entry=false) at scenegraph/qsgthreadedrenderloop.cpp:615
#7  0x00007f1869dee522 in QSGRenderThread::syncAndRender (this=this@entry=0x559229738530, grabImage=grabImage@entry=0x0) at scenegraph/qsgthreadedrenderloop.cpp:764
#8  0x00007f1869df264f in QSGRenderThread::run (this=0x559229738530) at scenegraph/qsgthreadedrenderloop.cpp:980
#9  0x00007f186ec39c2c in QThreadPrivate::start (arg=0x559229738530) at thread/qthread_unix.cpp:342
#10 0x00007f186ac9d6db in start_thread (arg=0x7f1848974700) at pthread_create.c:463
#11 0x00007f1871cf188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f183deca700 (LWP 2681)):
#0  0x00007f1871ce4cf6 in __GI_ppoll (fds=fds@entry=0x7f1838000d38, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f186ee844e1 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f1838000d38) at kernel/qcore_unix.cpp:132
#3  qt_safe_poll (fds=0x7f1838000d38, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#4  0x00007f186ee85ca2 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f186ee27d2a in QEventLoop::exec (this=this@entry=0x7f183dec9d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f186ec38757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f186989efc5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f186ec39c2c in QThreadPrivate::start (arg=0x559227f3e340) at thread/qthread_unix.cpp:342
#9  0x00007f186ac9d6db in start_thread (arg=0x7f183deca700) at pthread_create.c:463
#10 0x00007f1871cf188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f184a771700 (LWP 2577)):
#0  0x00007f186aca39f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f186e07bfb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f186e07bf68, cond=0x7f186e07bf90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f186e07bf90, mutex=0x7f186e07bf68) at pthread_cond_wait.c:655
#3  0x00007f186dd86934 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f186dd86979 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f186ac9d6db in start_thread (arg=0x7f184a771700) at pthread_create.c:463
#6  0x00007f1871cf188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f184bbdb700 (LWP 2494)):
#0  0x00007f1871ce4cf6 in __GI_ppoll (fds=fds@entry=0x7f1840000cf8, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f186ee844e1 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f1840000cf8) at kernel/qcore_unix.cpp:132
#3  qt_safe_poll (fds=0x7f1840000cf8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#4  0x00007f186ee85ca2 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f186ee27d2a in QEventLoop::exec (this=this@entry=0x7f184bbdad80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f186ec38757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f186989efc5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f186ec39c2c in QThreadPrivate::start (arg=0x559227bd06c0) at thread/qthread_unix.cpp:342
#9  0x00007f186ac9d6db in start_thread (arg=0x7f184bbdb700) at pthread_create.c:463
#10 0x00007f1871cf188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1852998700 (LWP 2389)):
#0  0x00007f1871ce4cf6 in __GI_ppoll (fds=fds@entry=0x7f184c00f7e8, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f186ee844e1 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f184c00f7e8) at kernel/qcore_unix.cpp:132
#3  qt_safe_poll (fds=0x7f184c00f7e8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#4  0x00007f186ee85ca2 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f186ee27d2a in QEventLoop::exec (this=this@entry=0x7f1852997d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f186ec38757 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f1870b37555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f186ec39c2c in QThreadPrivate::start (arg=0x7f1870dafda0) at thread/qthread_unix.cpp:342
#9  0x00007f186ac9d6db in start_thread (arg=0x7f1852998700) at pthread_create.c:463
#10 0x00007f1871cf188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1872395040 (LWP 2295)):
#0  0x00007f186aca39f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5592281136d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559228113680, cond=0x5592281136a8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5592281136a8, mutex=0x559228113680) at pthread_cond_wait.c:655
#3  0x00007f186ec401db in QWaitConditionPrivate::wait (deadline=..., this=0x559228113680) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x559229738588, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f186ec40359 in QWaitCondition::wait (this=0x559229738590, mutex=0x559229738588, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f1869def1dd in QSGThreadedRenderLoop::polishAndSync (this=this@entry=0x5592296d4a70, w=<optimized out>, w@entry=0x559229b7fad0, inExpose=inExpose@entry=true) at scenegraph/qsgthreadedrenderloop.cpp:1544
#7  0x00007f1869df18bb in QSGThreadedRenderLoop::handleExposure (this=this@entry=0x5592296d4a70, window=window@entry=0x55922936c400) at scenegraph/qsgthreadedrenderloop.cpp:1321
#8  0x00007f1869df201b in QSGThreadedRenderLoop::exposureChanged (this=0x5592296d4a70, window=0x55922936c400) at scenegraph/qsgthreadedrenderloop.cpp:1216
#9  0x00007f186f431c05 in QWindow::event (this=this@entry=0x55922936c400, ev=ev@entry=0x7fff5fa633d0) at kernel/qwindow.cpp:2363
#10 0x00007f1869e54975 in QQuickWindow::event (this=0x55922936c400, e=0x7fff5fa633d0) at items/qquickwindow.cpp:1773
#11 0x00007f1833dccadb in PlasmaQuick::Dialog::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#12 0x00007f186fd189ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f186fd1fbb0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f186ee294a8 in QCoreApplication::notifyInternal2 (receiver=0x55922936c400, event=0x7fff5fa633d0) at kernel/qcoreapplication.cpp:1075
#15 0x00007f186ee2968e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x55922936c400, event=event@entry=0x7fff5fa633d0) at kernel/qcoreapplication.cpp:1482
#16 0x00007f186f427817 in QGuiApplicationPrivate::processExposeEvent (e=0x5592284f5590) at kernel/qguiapplication.cpp:3182
#17 0x00007f186f427a7d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x5592284f5590) at kernel/qguiapplication.cpp:2003
#18 0x00007f186f4001cb in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:1170
#19 0x00007f185a9b6333 in QXcbUnixEventDispatcher::processEvents (this=0x559227b3f980, flags=...) at qxcbeventdispatcher.cpp:63
#20 0x00007f186ee27d2a in QEventLoop::exec (this=this@entry=0x7fff5fa63570, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#21 0x00007f186ee314a0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1383
#22 0x00007f1871fc930d in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#23 0x00007f1871bf1b97 in __libc_start_main (main=0x55922705d720, argc=1, argv=0x7fff5fa637f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5fa637e8) at ../csu/libc-start.c:310
#24 0x000055922705d75a in _start ()

Possible duplicates by query: bug 422283, bug 417796, bug 416886, bug 415485, bug 414805.

Reported using DrKonqi