Application: kwin_x11 (5.19.80) Qt Version: 5.14.2 Frameworks Version: 5.71.0 Operating System: Linux 5.3.0-45-generic x86_64 Windowing system: X11 Distribution: KDE neon Unstable Edition -- Information about the crash: - What I was doing when the application crashed: open system settings > workspace behavior > screen edges set "Toggle window switching" action to both upper left corner and left edge try to trigger the action via theupper left corner kwin_x11 crashes I'm not sure if this is related, but I noticed that "Toggle window switching" action never works when it only is set to the left edge. The crash can be reproduced every time. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7f21eb193800 (LWP 30568))] [KCrash Handler] #6 0x00007f21eabafae3 in std::__atomic_base<int>::load(std::memory_order) const (__m=std::memory_order_relaxed, this=0x2) at /usr/include/c++/7/bits/atomic_base.h:396 #7 0x00007f21eabafae3 in QAtomicOps<int>::loadRelaxed<int>(std::atomic<int> const&) (_q_value=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:239 #8 0x00007f21eabafae3 in QBasicAtomicInteger<int>::loadRelaxed() const (this=0x2) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:107 #9 0x00007f21eabafae3 in QtPrivate::RefCount::ref() (this=0x2) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qrefcount.h:55 #10 0x00007f21eabafae3 in QVector<int>::QVector(QVector<int> const&) (this=0x7ffd09238990, v=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:380 #11 0x00007f21eabadb86 in KWin::X11EventFilter::eventTypes() const (this=0x7f21cc007b30) at ./x11eventfilter.h:51 #12 0x00007f21eabadb86 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) (this=0x55b64fbaecc0, e=0x7f21cc00bc30) at ./events.cpp:240 #13 0x00007f21e821d4df in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) (this=<optimized out>, eventType=..., message=message@entry=0x7f21cc00bc30, result=result@entry=0x7ffd09238a68) at kernel/qabstracteventdispatcher.cpp:488 #14 0x00007f21d3a2fbac in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) (this=this@entry=0x55b64faa7e20, event=event@entry=0x7f21cc00bc30) at qxcbconnection.cpp:550 #15 0x00007f21d3a306d6 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55b64faa7e20, flags=...) at qxcbconnection.cpp:1029 #16 0x00007f21d3a5532c in QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55b64faf3c00, flags=...) at qxcbeventdispatcher.cpp:61 #17 0x00007f21e821ed2a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffd09238bc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225 #18 0x00007f21e82284a0 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1383 #19 0x000055b64eb453db in main(int, char**) (argc=<optimized out>, argv=0x7ffd09238e38) at ./main_x11.cpp:479 Possible duplicates by query: bug 421244, bug 420495, bug 417807, bug 417542, bug 414147. Reported using DrKonqi
Created attachment 129247 [details] New crash information added by DrKonqi kwin_x11 (5.19.0) using Qt 5.15.0 - What I was doing when the application crashed: I have my top left window edge set to present windows all desktops. and sometimes when i go to top left kwin crashes -- Backtrace (Reduced): #5 0x00007fc0fb132dbc in KWin::Workspace::workspaceEvent (this=<optimized out>, e=0x7fc0ec03a800) at /usr/include/qt5/QtCore/qvector.h:1041 #6 0x00007fc0f9d2b057 in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=message@entry=0x7fc0ec03a800, result=result@entry=0x7ffc762b9ad8) at kernel/qabstracteventdispatcher.cpp:488 #7 0x00007fc0f401c571 in QXcbConnection::handleXcbEvent (this=this@entry=0x55a199ea3ea0, event=event@entry=0x7fc0ec03a800) at qxcbnativeinterface.h:101 #8 0x00007fc0f401da86 in QXcbConnection::processXcbEvents (this=0x55a199ea3ea0, flags=...) at qxcbconnection.cpp:1003 #9 0x00007fc0f40402fc in QXcbUnixEventDispatcher::processEvents (this=0x55a199f55a80, flags=...) at qxcbeventdispatcher.cpp:61
Thank you for reporting this crash in KDE software. As it has been a while since this issue was reported, can we please ask you to see if you can reproduce the crash with a recent software version? If you can reproduce the issue, please change the status to "CONFIRMED" when replying. Thank you!
Cannot reproduce on neon unstable. Operating System: KDE neon Unstable Edition KDE Plasma Version: 5.26.80 KDE Frameworks Version: 5.99.0 Qt Version: 5.15.6 Graphics Platform: X11