On 09.05.2013 00:37, Benito van der Zander wrote: > Hi, > does anyone know why creating a new thread breaks DebugLn? (till the > execution returns to the JVM, Android, emulator, x86, ) I don't know for sure what the cause could be, but: do you use FPC 2.5.1 or 2.7.1? Regards, Sven