Martin, that looks like a different stack trace. This bug has been tracking https://gitlab.freedesktop.org/xorg/xserver/-/issues/647 which was fixed in Xorg 1.20.5
** Bug watch added: gitlab.freedesktop.org/xorg/xserver/-/issues #647 https://gitlab.freedesktop.org/xorg/xserver/-/issues/647 ** Changed in: xorg-server (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1853266 Title: Xorg/Xwayland segfaults in OsLookupColor() from funlockfile() from glamor_get_pixmap_texture() from glamor_create_gc() To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1853266/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

