ok, the current version of xkbutils is from August 2006, so it was present in Edgy already. And I can't downgrade xkb-data because of dependencies.
I'm attaching the strace output for other people to look over. ** Attachment added: "strace of xfce4-session started from /etc/xdg/xfce4/xinitrc" http://librarian.launchpad.net/7036265/strace-lp97175 -- xfce4-session seems to reset xmodmap https://launchpad.net/bugs/97175 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs