João Pedro Malhado, le lun. 04 juil. 2022 00:14:43 +0200, a ecrit: > Below is a step by step debug trace with libc symbols. At the last step gdb (or > the whole machine?) locks up. I would say strange, but maybe I shouldn't ;) That's also expected: you're stepping into very critical sections, which don't allow the process to interact with gdb any more. You can however use "next" to go over a whole function call. Samuel