https://bugs.kde.org/show_bug.cgi?id=444667
--- Comment #2 from f.ka...@posteo.de --- Created attachment 143139 --> https://bugs.kde.org/attachment.cgi?id=143139&action=edit New crash information added by DrKonqi kwin_x11 (5.21.5) using Qt 5.15.2 - What I was doing when the application crashed Booting the system gets stuck after the login screen and only shows a black screen. The mouse pointer is visible and can be moved around. Using the `Ctrl-Esc` key combination, the task manager can be opened and from there on a shell via the tools menu. Manually starting the plasma desktop via `startplasma-x11` fails, but `plasmashell` can be started which shows the task bar, desktop widgets and desktop background. All windows are missing their titlebar/window decorations. Attempting to manually start `kwin` in the shell leads to a crash. When attempting to open the window decoration settings tab in the system settings application, the application crashes (other settings tabs work fine). -- Backtrace (Reduced): #6 0x00007f00c73d0510 in KDecoration2::DecorationSettings::font() const (this=this@entry=0x55ceff5c2960) at /usr/include/c++/11/bits/unique_ptr.h:173 #7 0x00007f00c73d0737 in operator() (__closure=<synthetic pointer>) at ./src/decorationsettings.cpp:19 #8 KDecoration2::DecorationSettings::DecorationSettings(KDecoration2::DecorationBridge*, QObject*) (this=0x55ceff5c2960, bridge=0x7f00bc0062f0, parent=<optimized out>) at ./src/decorationsettings.cpp:34 #9 0x00007f00c9419add in QSharedPointer<KDecoration2::DecorationSettings>::create<KWin::Decoration::DecorationBridge*>(KWin::Decoration::DecorationBridge*&&) () at /usr/include/c++/10/new:175 #10 KWin::Decoration::DecorationBridge::init() (this=0x7f00bc0062f0) at ./decorations/decorationbridge.cpp:121 -- You are receiving this mail because: You are watching all bug changes.
