Hello, I tried a system-wide install of luametatex, but having my binaries in a disk mounted with w^xallowed did not change anything. I tried to compile different files, but cannot guess yet where do the crash come from. If it can help, I uploaded the luametatex.core file and files that were compiled during the crash at this adress: http://www.normalesup.org/~dthiriet/luametatex/ When I compiled this file, I had the first crash at page 12. Retrying to compile made it crash at page 3. I did not wipe the cache between compilations, nor made mtxrun --generate and context --make. Thanks, Damien Thiriet