[mkgmap-dev] mkgmap gets stuck on Kosovo

When I try to compile Kosovo from Geofabrik, with my style: https://svn.origo.ethz.ch/openmtbmap/ it gets stuck infinitely. Default style passes without problem. I know it's not the style that broken (compiles clean on every geofabrik country but South-America where it gets stuck too, however on index creation), but something only rendered using the style that triggers the bug. mkgmap does not output any error message, simply gets stuck.