The `gdk_x11_display_error_trap_push` symbol in the above stack trace indicates it's the upstream bug described in the following issue, and fixed by the patch in the referenced comment:
https://gitlab.xfce.org/xfce/xfwm4/-/issues/351#note_13692 The problem is confirmed present in the current Focal package source, xfwm4 v. 4.14.1. ** Bug watch added: gitlab.xfce.org/xfce/xfwm4/-/issues #351 https://gitlab.xfce.org/xfce/xfwm4/-/issues/351 ** Also affects: xfwm4 via https://gitlab.xfce.org/xfce/xfwm4/-/issues/351 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1864613 Title: xfwm4 very, very slow - leaking something? To manage notifications about this bug go to: https://bugs.launchpad.net/xfwm4/+bug/1864613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
