Use mach_print for a start, to avoid any potential problem with vsnprintf etc.
Svante Signell, le ven. 08 mars 2019 11:16:32 +0100, a ecrit: > (cd libs; ln -s libtrivfs.so.0.3 libtrivfs.so.0) > export LD_LIBRARY_PATH=./libs > ldd /hurd/null > libtrivfs.so.0.3 => ./libs/libtrivfs.so.0.3 (0x01029000) If it's /dev/null that you want to debug, it's for the start of /dev/null that you need to set LD_LIBRARY_PATH. And do not set the variable then sudo to start /dev/null, sudo clears the environment. Samuel