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Description
Aside from a few cosmetic issues, I've been experiencing one rather annoying issue on rare occasions. Upon clicking the Start menu, lumina-desktop gets stuck in an infinite loop.
If I kill it, remove ~/.config/lumina*, and rebuild the config from scratch, everything is fine again for a while.
Last time it happened, I used
kill -ABRT lumina-desktop
to generate a core file. The backtrace from lldb shows a cycle. Maybe this will provide some clues. If not, I can also reinstall Qt components with debug info to source code line #s.
lldb -c lumina-desktop.core lumina-desktop
bt
frame #127159: 0x0000000800e9c904 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 244
frame #127160: 0x0000000800e9de23 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 531
frame #127161: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127162: 0x0000000800ed3092 libQt5Widgets.so.5`QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 2034
frame #127163: 0x0000000800ed3184 libQt5Widgets.so.5`QWidget::resize(QSize const&) + 100
frame #127164: 0x00000008010327a3 libQt5Widgets.so.5`___lldb_unnamed_symbol15749 + 675
frame #127165: 0x0000000801032b7c libQt5Widgets.so.5`QScrollArea::eventFilter(QObject*, QEvent*) + 76
frame #127166: 0x0000000802c2ef09 libQt5Core.so.5`QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) + 265
frame #127167: 0x0000000800e9c904 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 244
frame #127168: 0x0000000800e9de23 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 531
frame #127169: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127170: 0x0000000800ed3092 libQt5Widgets.so.5`QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 2034
frame #127171: 0x0000000800ed3184 libQt5Widgets.so.5`QWidget::resize(QSize const&) + 100
frame #127172: 0x00000008010327a3 libQt5Widgets.so.5`___lldb_unnamed_symbol15749 + 675
frame #127173: 0x0000000801032b7c libQt5Widgets.so.5`QScrollArea::eventFilter(QObject*, QEvent*) + 76
frame #127174: 0x0000000802c2ef09 libQt5Core.so.5`QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) + 265
frame #127175: 0x0000000800e9c904 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 244
frame #127176: 0x0000000800e9de23 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 531
frame #127177: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127178: 0x0000000800ed3092 libQt5Widgets.so.5`QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 2034
frame #127179: 0x0000000800ed3184 libQt5Widgets.so.5`QWidget::resize(QSize const&) + 100
frame #127180: 0x00000008010327a3 libQt5Widgets.so.5`___lldb_unnamed_symbol15749 + 675
frame #127181: 0x0000000801032b7c libQt5Widgets.so.5`QScrollArea::eventFilter(QObject*, QEvent*) + 76
frame #127182: 0x0000000802c2ef09 libQt5Core.so.5`QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) + 265
frame #127183: 0x0000000800e9c904 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 244
frame #127184: 0x0000000800e9de23 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 531
frame #127185: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127186: 0x0000000800ed3092 libQt5Widgets.so.5`QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 2034
frame #127187: 0x0000000800ed3184 libQt5Widgets.so.5`QWidget::resize(QSize const&) + 100
frame #127188: 0x00000008010327a3 libQt5Widgets.so.5`___lldb_unnamed_symbol15749 + 675
frame #127189: 0x0000000800ed61ac libQt5Widgets.so.5`QWidget::event(QEvent*) + 1164
frame #127190: 0x0000000800f7cc9b libQt5Widgets.so.5`QFrame::event(QEvent*) + 43
frame #127191: 0x0000000802c2ef09 libQt5Core.so.5`QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) + 265
frame #127192: 0x0000000800e9c904 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 244
frame #127193: 0x0000000800e9de23 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 531
frame #127194: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127195: 0x0000000800ed3092 libQt5Widgets.so.5`QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 2034
frame #127196: 0x0000000800ed3358 libQt5Widgets.so.5`QWidget::setGeometry(QRect const&) + 264
frame #127197: 0x0000000800f7e7f6 libQt5Widgets.so.5`QAbstractScrollAreaPrivate::layoutChildren_helper(bool*, bool*) + 2726
frame #127198: 0x0000000800f805e4 libQt5Widgets.so.5`___lldb_unnamed_symbol14487 + 340
frame #127199: 0x0000000802c5781d libQt5Core.so.5`QObject::event(QEvent*) + 765
frame #127200: 0x0000000800ed6ff5 libQt5Widgets.so.5`QWidget::event(QEvent*) + 4821
frame #127201: 0x0000000800f7cc9b libQt5Widgets.so.5`QFrame::event(QEvent*) + 43
frame #127202: 0x0000000800e9c919 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 265
frame #127203: 0x0000000800e9de23 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 531
frame #127204: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127205: 0x0000000802c2fb25 libQt5Core.so.5`QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 485
frame #127206: 0x0000000802c81269 libQt5Core.so.5`QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 73
frame #127207: 0x000000080628aa34 libQt5XcbQpa.so.5`___lldb_unnamed_symbol3488 + 20
frame #127208: 0x0000000802c2b4c6 libQt5Core.so.5`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 566
frame #127209: 0x000000080101ab8e libQt5Widgets.so.5`___lldb_unnamed_symbol15636 + 206
frame #127210: 0x00000008010814b5 libQt5Widgets.so.5`___lldb_unnamed_symbol16168 + 1109
frame #127211: 0x0000000802c62fc8 libQt5Core.so.5`___lldb_unnamed_symbol9621 + 1480
frame #127212: 0x0000000800f83142 libQt5Widgets.so.5`___lldb_unnamed_symbol14528 + 114
frame #127213: 0x0000000800f82fb9 libQt5Widgets.so.5`___lldb_unnamed_symbol14526 + 233
frame #127214: 0x0000000800f84112 libQt5Widgets.so.5`QAbstractButton::mouseReleaseEvent(QMouseEvent*) + 290
frame #127215: 0x000000080108199f libQt5Widgets.so.5`QToolButton::mouseReleaseEvent(QMouseEvent*) + 15
frame #127216: 0x0000000800ed5ede libQt5Widgets.so.5`QWidget::event(QEvent*) + 446
frame #127217: 0x000000080108218d libQt5Widgets.so.5`QToolButton::event(QEvent*) + 333
frame #127218: 0x0000000800e9c919 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 265
frame #127219: 0x0000000800e9f7b4 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 7076
frame #127220: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127221: 0x0000000800e9d2ec libQt5Widgets.so.5`QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) + 956
frame #127222: 0x0000000800ef499d libQt5Widgets.so.5`___lldb_unnamed_symbol14030 + 2701
frame #127223: 0x0000000800ef3590 libQt5Widgets.so.5`___lldb_unnamed_symbol14025 + 272
frame #127224: 0x0000000800e9c919 libQt5Widgets.so.5`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 265
frame #127225: 0x0000000800e9de23 libQt5Widgets.so.5`QApplication::notify(QObject*, QEvent*) + 531
frame #127226: 0x0000000802c2ebb0 libQt5Core.so.5`QCoreApplication::notifyInternal2(QObject*, QEvent*) + 176
frame #127227: 0x0000000801b5ec60 libQt5Gui.so.5`QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) + 3600
frame #127228: 0x0000000801b431dc libQt5Gui.so.5`QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 220
frame #127229: 0x000000080628aa49 libQt5XcbQpa.so.5`___lldb_unnamed_symbol3488 + 41
frame #127230: 0x0000000802c2b4c6 libQt5Core.so.5`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 566
frame #127231: 0x0000000802c2f24e libQt5Core.so.5`QCoreApplication::exec() + 142
frame #127232: 0x000000000043017f lumina-desktop`___lldb_unnamed_symbol2981 + 655
frame #127233: 0x00000000003a0670 lumina-desktop`___lldb_unnamed_symbol4271 + 256
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