I have removed some of the packages I do not use on Trisquel. Everything cleaned well. Less oss-compat. I still have it on residual config. But mark for complet removal fails.
> (synaptic:12600): GLib-CRITICAL **: g_child_watch_add_full: assertion 'pid > 0' failed > dpkg: warning: ignoring request to remove oss-compat which isn't installed
