Thread 1 "qtcreator" received signal SIGSEGV, Segmentation fault. 0x00007fbbd64bcc60 in QTextLine::naturalTextRect() const () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Gui.so.5 (gdb) thread apply all bt Thread 23 (Thread 0x7fbb86ffd700 (LWP 9956)): #0 futex_reltimed_wait_cancelable (private=, reltime=0x7fbb86ffcca0, expected=0, futex_word=0x6182f24) at ../sysdeps/unix/sysv/linux/futex-internal.h:142 #1 __pthread_cond_wait_common (abstime=0x7fbb86ffcd80, mutex=0x6182ed0, cond=0x6182ef8) at pthread_cond_wait.c:533 #2 __pthread_cond_timedwait (cond=0x6182ef8, mutex=0x6182ed0, abstime=0x7fbb86ffcd80) at pthread_cond_wait.c:667 #3 0x00007fbbd56582cf in QWaitCondition::wait(QMutex*, unsigned long) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd564e0d9 in QThreadPoolThread::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #7 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 20 (Thread 0x7fbbae6a7700 (LWP 9949)): #0 futex_reltimed_wait_cancelable (private=, reltime=0x7fbbae6a6ca0, expected=0, futex_word=0x4437460) at ../sysdeps/unix/sysv/linux/futex-internal.h:142 #1 __pthread_cond_wait_common (abstime=0x7fbbae6a6d80, mutex=0x4437410, cond=0x4437438) at pthread_cond_wait.c:533 #2 __pthread_cond_timedwait (cond=0x4437438, mutex=0x4437410, abstime=0x7fbbae6a6d80) at pthread_cond_wait.c:667 #3 0x00007fbbd56582cf in QWaitCondition::wait(QMutex*, unsigned long) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd564e0d9 in QThreadPoolThread::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #7 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 16 (Thread 0x7fbb87fff700 (LWP 9944)): #0 futex_reltimed_wait_cancelable (private=, reltime=0x7fbb87ffeca0, expected=0, futex_word=0x7fbb7c0056f0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142 #1 __pthread_cond_wait_common (abstime=0x7fbb87ffed80, mutex=0x7fbb7c0056a0, cond=0x7fbb7c0056c8) at pthread_cond_wait.c:533 #2 __pthread_cond_timedwait (cond=0x7fbb7c0056c8, mutex=0x7fbb7c0056a0, abstime=0x7fbb87ffed80) at pthread_cond_wait.c:667 #3 0x00007fbbd56582cf in QWaitCondition::wait(QMutex*, unsigned long) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd564e0d9 in QThreadPoolThread::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #7 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 15 (Thread 0x7fbb867fc700 (LWP 9943)): #0 futex_reltimed_wait_cancelable (private=, reltime=0x7fbb867fbca0, expected=0, futex_word=0x7fbb7c2100b4) at ../sysdeps/unix/sysv/linux/futex-internal.h:142 #1 __pthread_cond_wait_common (abstime=0x7fbb867fbd80, mutex=0x7fbb7c210060, cond=0x7fbb7c210088) at pthread_cond_wait.c:533 #2 __pthread_cond_timedwait (cond=0x7fbb7c210088, mutex=0x7fbb7c210060, abstime=0x7fbb867fbd80) at pthread_cond_wait.c:667 #3 0x00007fbbd56582cf in QWaitCondition::wait(QMutex*, unsigned long) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd564e0d9 in QThreadPoolThread::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #7 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 13 (Thread 0x7fbb877fe700 (LWP 9940)): #0 futex_reltimed_wait_cancelable (private=, reltime=0x7fbb877fdca0, expected=0, futex_word=0x430bf24) at ../sysdeps/unix/sysv/linux/futex-internal.h:142 #1 __pthread_cond_wait_common (abstime=0x7fbb877fdd80, mutex=0x430bed0, cond=0x430bef8) at pthread_cond_wait.c:533 #2 __pthread_cond_timedwait (cond=0x430bef8, mutex=0x430bed0, abstime=0x7fbb877fdd80) at pthread_cond_wait.c:667 #3 0x00007fbbd56582cf in QWaitCondition::wait(QMutex*, unsigned long) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd564e0d9 in QThreadPoolThread::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #7 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7fbb95d24700 (LWP 9782)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x377afc0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x377af70, cond=0x377af98) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x377af98, mutex=0x377af70) at pthread_cond_wait.c:655 #3 0x00007fbbd565832b in QWaitCondition::wait(QMutex*, unsigned long) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd6dff9ca in QFileInfoGatherer::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #5 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #7 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7fbb96f65700 (LWP 9781)): #0 0x00007fbbd508f6d9 in __GI___poll (fds=0x7fbb90003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbbd245ce46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fbbd245cf6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fbbd58633ff in QEventDispatcherGlib::processEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd580dc3a in QEventLoop::exec(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd564ca6c in QThread::exec() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd4c1c7e5 in QQmlThreadPrivate::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/qtcreator/../Qt/lib/libQt5Qml.so.5 #7 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #8 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #9 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fbbacea4700 (LWP 9780)): #0 0x00007fbbd508f6d9 in __GI___poll (fds=0x7fbb9c004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbbd245ce46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fbbd245cf6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fbbd58633ff in QEventDispatcherGlib::processEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd580dc3a in QEventLoop::exec(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd564ca6c in QThread::exec() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd4c1c7e5 in QQmlThreadPrivate::run() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/qtcreator/../Qt/lib/libQt5Qml.so.5 #7 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #8 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #9 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fbbad6a5700 (LWP 9779)): #0 0x00007fbbd508f6d9 in __GI___poll (fds=0x7fbb98004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbbd245ce46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fbbd245cf6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fbbd58633ff in QEventDispatcherGlib::processEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd580dc3a in QEventLoop::exec(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd564ca6c in QThread::exec() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #7 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #8 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7fbbadea6700 (LWP 9778)): #0 0x00007fbbd508f6d9 in __GI___poll (fds=0x7fbba4004550, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbbd245ce46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fbbd245cf6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fbbd58633ff in QEventDispatcherGlib::processEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd580dc3a in QEventLoop::exec(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd564ca6c in QThread::exec() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #7 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #8 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fbbaeea8700 (LWP 9775)): #0 0x00007fbbd508f6d9 in __GI___poll (fds=0x7fbba0004a10, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbbd245ce46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fbbd245cf6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fbbd58633ff in QEventDispatcherGlib::processEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd580dc3a in QEventLoop::exec(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd564ca6c in QThread::exec() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #7 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #8 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fbbaf6a9700 (LWP 9774)): #0 0x00007fbbd508f6d9 in __GI___poll (fds=0x7fbba8004db0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbbd245ce46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fbbd245cf6c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fbbd58633ff in QEventDispatcherGlib::processEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #4 0x00007fbbd580dc3a in QEventLoop::exec(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd564ca6c in QThread::exec() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #6 0x00007fbbd0a72975 in QDBusConnectionManager::run() () from /home/lastique/qtcreator-4.8.0-beta2/lib/Qt/plugins/platforms/../../lib/libQt5DBus.so.5 #7 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #8 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #9 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fbbcd232700 (LWP 9773)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x1388e28) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x1388dd8, cond=0x1388e00) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x1388e00, mutex=0x1388dd8) at pthread_cond_wait.c:655 #3 0x00007fbbcd8ce46b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007fbbcd8ce1d7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #6 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fbbcf741700 (LWP 9772)): #0 0x00007fbbd508f6d9 in __GI___poll (fds=0x7fbbcf740d18, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fbbd2146917 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fbbd214853a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fbbd1026509 in QXcbEventReader::run() () from /home/lastique/qtcreator-4.8.0-beta2/lib/Qt/plugins/platforms/../../lib/libQt5XcbQpa.so.5 #4 0x00007fbbd5657564 in QThreadPrivate::start(void*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #5 0x00007fbbd54a6164 in start_thread (arg=) at pthread_create.c:486 #6 0x00007fbbd509bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fbbd1b13780 (LWP 9771)): #0 0x00007fbbd64bcc60 in QTextLine::naturalTextRect() const () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Gui.so.5 #1 0x00007fbbd6da0dba in QPlainTextEditPrivate::ensureVisible(int, bool, bool) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #2 0x00007fbbd6da110e in QPlainTextEditPrivate::ensureCursorVisible(bool) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #3 0x00007fbbd6da4b6d in QPlainTextEditControl::ensureCursorVisible() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #4 0x00007fbbd6dc6e6c in QWidgetTextControl::setTextCursor(QTextCursor const&) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #5 0x00007fbbc627a95f in TextEditor::TextEditorWidget::doSetTextCursor(QTextCursor const&, bool) () from /home/lastique/qtcreator-4.8.0-beta2/lib/qtcreator/plugins/libTextEditor.so #6 0x00007fbbc62811fb in TextEditor::TextEditorWidget::keyPressEvent(QKeyEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/lib/qtcreator/plugins/libTextEditor.so #7 0x00007fbbc45293f7 in CppEditor::Internal::CppEditorWidget::keyPressEvent(QKeyEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/lib/qtcreator/plugins/libCppEditor.so #8 0x00007fbbd6c39e87 in QWidget::event(QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #9 0x00007fbbd6cdcb5e in QFrame::event(QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #10 0x00007fbbd6cdf793 in QAbstractScrollArea::event(QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #11 0x00007fbbd6da2b05 in QPlainTextEdit::event(QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #12 0x00007fbbd6bfce2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #13 0x00007fbbd6c0410b in QApplication::notify(QObject*, QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #14 0x00007fbbd580f2d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #15 0x00007fbbd6c55afb in QWidgetWindow::event(QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #16 0x00007fbbd6bfce2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #17 0x00007fbbd6c03f60 in QApplication::notify(QObject*, QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Widgets.so.5 #18 0x00007fbbd580f2d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #19 0x00007fbbd63d66f0 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Gui.so.5 #20 0x00007fbbd63dbe45 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Gui.so.5 #21 0x00007fbbd63b7bdb in QWindowSystemInterface::sendWindowSystemEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Gui.so.5 #22 0x00007fbbd10c40db in QPAEventDispatcherGlib::processEvents(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/lib/Qt/plugins/platforms/../../lib/libQt5XcbQpa.so.5 #23 0x00007fbbd580dc3a in QEventLoop::exec(QFlags) () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #24 0x00007fbbd5816640 in QCoreApplication::exec() () from /home/lastique/qtcreator-4.8.0-beta2/bin/../lib/Qt/lib/libQt5Core.so.5 #25 0x000000000040a468 in main ()