https://bugs.kde.org/show_bug.cgi?id=463162
--- Comment #7 from zhainh...@gmail.com --- Created attachment 155778 --> https://bugs.kde.org/attachment.cgi?id=155778&action=edit New crash information added by DrKonqi kwin_x11 (5.26.4) using Qt 5.15.7 random send crash when closing the application -- Backtrace (Reduced): #5 0x00007eff4d4cc20f in KWin::FocusChain::isUsableFocusCandidate (prev=0x55c2a40ec690, c=0x55c2a3f2dfa0, this=0x55c2a2f66270) at ./src/focuschain.cpp:193 #6 KWin::FocusChain::nextForDesktop (desktop=0x55c2a3083f00, reference=0x55c2a40ec690, this=0x55c2a2f66270) at ./src/focuschain.cpp:205 #7 KWin::Workspace::activateNextWindow (this=0x55c2a2fbb770, window=<optimized out>) at ./src/activation.cpp:506 #8 0x00007eff4d61dd20 in KWin::X11Window::destroyWindow (this=0x55c2a40ec690) at ./src/workspace.h:887 #9 0x00007eff4d524042 in KWin::X11Window::unmapNotifyEvent (e=<optimized out>, this=0x55c2a40ec690) at ./src/events.cpp:585 -- You are receiving this mail because: You are watching all bug changes.