udovdh at xs4all.nl said: > I did not find a core dump. How else can I get a stack dump? use gdb. You need to add -n to the command line args ot ntpd will detach itself. cd build dir gdb build/main/ntpd/ntpd <lots of stuff> run -n <normal command line? ... when it crashes, you should get back to gdb then bt should give you a stack trace -- These are my opinions. I hate spam.