wxWidgets version wxWidgets 2.8.12, Wx version 0,9927
Data directory: /home/fotis/.Slic3r
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast

(slic3r.pl:28517): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -5 and height 21

(slic3r.pl:28517): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -5 and height 21

(slic3r.pl:28517): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -5 and height 21