Am 12.05.2018 um 12:09 schrieb Mattias Gaertner via Lazarus: > I doubt that 57897 or 8 fixes the issue. Seems you are right. After many hours successful testing on several Pis the error suddenly reappeared when I went back to a former project in Lazarus 1.9 SVN-Revision 57898. Reason unknown. Joe