https://bugs.kde.org/show_bug.cgi?id=410839
--- Comment #9 from Marcel <witte...@googlemail.com> --- Created attachment 134646 --> https://bugs.kde.org/attachment.cgi?id=134646&action=edit New crash information added by DrKonqi kwin_x11 (5.20.5) using Qt 5.15.2 This is again the same crash using current packages -- Backtrace (Reduced): #4 0x00007fa2e06aabbb in KWin::VirtualDesktop::x11DesktopNumber() const (this=0x0) at /usr/src/debug/kwin5-5.20.5-387.1.x86_64/build/kwin_autogen/EWIEGA46WW/../../../virtualdesktops.h:57 #5 KWin::AbstractClient::desktop() const (this=0x55899e18c9f0) at /usr/src/debug/kwin5-5.20.5-387.1.x86_64/build/kwin_autogen/EWIEGA46WW/../../../abstract_client.h:468 #6 0x00007fa2e06d8bd5 in KWin::AbstractClient::setDesktops(QVector<KWin::VirtualDesktop*>) (this=<optimized out>, desktops=...) at /usr/src/debug/kwin5-5.20.5-387.1.x86_64/abstract_client.cpp:474 #7 0x00007fa2e072c959 in KWin::EffectsHandlerImpl::windowToDesktops(KWin::EffectWindow*, QVector<unsigned int> const&) (this=<optimized out>, w=<optimized out>, desktopIds=<optimized out>) at /usr/src/debug/kwin5-5.20.5-387.1.x86_64/effects.cpp:921 #8 0x00007fa2deb6f5b6 in KWin::DesktopGridEffect::windowInputMouseEvent(QEvent*) (this=0x55899cca0c10, e=<optimized out>) at /usr/src/debug/kwin5-5.20.5-387.1.x86_64/effects/desktopgrid/desktopgrid.cpp:539 -- You are receiving this mail because: You are watching all bug changes.