Application: kwin_x11 (5.17.4)

Qt Version: 5.13.2
Frameworks Version: 5.65.0
Operating System: Linux 5.3.0-24-generic x86_64
Distribution: KDE neon User Edition 5.17

-- Information about the crash:
- What I was doing when the application crashed: I`ve sent a laptop into hybernation, than connected an external display and woke up the laptop

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 0x7f1b1c765d00 (LWP 2619))]

Thread 5 (Thread 0x7f1afb5ef700 (LWP 10176)):
[KCrash Handler]
#6  0x00007f1b19b943a4 in QScreen::handle() const () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007f1b04d9ab48 in QXcbIntegration::createPlatformOpenGLContext(QOpenGLContext*) const () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8  0x00007f1b19baf76f in QOpenGLContext::create() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007f1b141905ad in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f1b14191a24 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f1b141952b8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f1b193b4b52 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f1b150046db in start_thread (arg=0x7f1afb5ef700) at pthread_create.c:463
#14 0x00007f1b1c0c388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1afabad700 (LWP 2744)):
#0  0x00007f1b195f4f1f in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f1b1959806a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f1b193b33aa in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f1b13a10815 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#4  0x00007f1b193b4b52 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1b150046db in start_thread (arg=0x7f1afabad700) at pthread_create.c:463
#6  0x00007f1b1c0c388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1b015ae700 (LWP 2650)):
#0  0x00007ffd56fe26dd in  ()
#1  0x00007ffd56fe2982 in clock_gettime ()
#2  0x00007f1b1c0d2ea6 in __GI___clock_gettime (clock_id=1, tp=0x7f1b015adb40) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f1b195f74a1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1b195f5cd9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1b195f62b5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1b195f53c4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1b1959806a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1b193b33aa in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f1b125db0e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f1b193b4b52 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1b150046db in start_thread (arg=0x7f1b015ae700) at pthread_create.c:463
#12 0x00007f1b1c0c388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1b03a83700 (LWP 2640)):
#0  0x00007f1b1c0b6bf9 in __GI___poll (fds=0x7f1b03a82c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1b190ed747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1b190ef36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1b04dbce10 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f1b193b4b52 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1b150046db in start_thread (arg=0x7f1b03a83700) at pthread_create.c:463
#6  0x00007f1b1c0c388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1b1c765d00 (LWP 2619)):
#0  0x00007f1b1500a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557d49f63420) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1b1500a9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x557d49f633d0, cond=0x557d49f633f8) at pthread_cond_wait.c:502
#2  0x00007f1b1500a9f3 in __pthread_cond_wait (cond=0x557d49f633f8, mutex=0x557d49f633d0) at pthread_cond_wait.c:655
#3  0x00007f1b193bbaeb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1b193bbdf9 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1b141920ed in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1b1419466d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1b14194ce9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f1b19b78525 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007f1b141f4a45 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f1ae5e4161b in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#11 0x00007f1b1a39eeac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f1b1a3a64b0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f1b19599f08 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f1b19b6e41a in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f1b19b6e66d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f1b19b4879b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f1b04dbe173 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x00007f1b1959806a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f1b195a13e0 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f1b1c39bd05 in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#21 0x00007f1b1bfc3b97 in __libc_start_main (main=0x557d47987720, argc=3, argv=0x7ffd56eb7eb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd56eb7ea8) at ../csu/libc-start.c:310
#22 0x0000557d4798775a in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 341497.

Possible duplicates by query: bug 414805, bug 414555, bug 411216, bug 403543, bug 401605.

Reported using DrKonqi