On Tue, Mar 14, 2023 at 03:57:53PM +0100, Stefan Schippers wrote: > Package: xserver-xorg-core
> The bug seems not related to xorg but to the fvwm window manager crash. I ran the window manager with gdb and was able to reliably make it crash by some mouse activity.
> (gdb) run
> Starting program: /usr/bin/fvwm
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [Detaching after fork from child process 4851]
> [Detaching after vfork from child process 4864]
> Warning: Arg --fvwm-icons is obsolete and ignored
> Python module python-xdg not found.fvwm: ../../src/xcb_io.c:626: _XAllocID: Assertion `ret != inval_id' failed.