Execute `mtxrun --script fonts --reload` with minimals beta 2013.01.02: $ mtxrun --script fonts --reload fonts | names | warnings are disabled (tracker 'fonts.warnings') fonts | names | identifying tree font files with suffix otf fonts | names | scanning /opt/context/tex/texmf-project for otf files fonts | names | 6 entries found, 0 otf files checked, 0 okay fonts | names | scanning /opt/context/tex/texmf-fonts for otf files fonts | names | 6 entries found, 0 otf files checked, 0 okay fonts | names | scanning /opt/context/tex/texmf-local for otf filestexlua: ../../../source/texk/kpathsea/cnf.c:255: kpathsea_cnf_get: Assertion `kpse->program_name' failed. Aborted -- Best regards, Li Yanrui