Hello, João, le sam. 02 juil. 2022 20:53:55 +0200, a ecrit: > I have put sv on a debugger and seems that the failure is happening when trying > to open the supervise/ok file (the file exists, and is a 0 bytes file), > open_write() returns -1. > I don't know why open64() is returning -1. That's usually given in errno. Samuel