Have added log + strace output to the issue on Github as well: https://github.com/mysensors/MySensors/issues/1342 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=3503, ...}) = 0 write(4, "Sep 05 09:03:46 DEBUG GWT:RFC:C="..., 51) = 51 write(2, "Sep 05 09:03:46 \33[36mDEBUG\33[0m ", 31Sep 05 09:03:46 DEBUG ) = 31 write(2, "GWT:RFC:C=0,MSG=0;255;3;0;2;\n", 29GWT:RFC:C=0,MSG=0;255;3;0;2; ) = 29 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- +++ killed by SIGSEGV +++ Segmentation fault