Suggested by Timon Van Overveldt on https://savannah.nongnu.org/bugs/index.php?30268 --- avrdude-5.10/jtagmkII.c +++ avrdude-5.10/jtagmkII.c @@ -1270,10 +1270,12 @@ return -1; } - if (jtagmkII_setparm(pgm, PAR_DAISY_CHAIN_INFO, PDATA(pgm)->jtagchain) < 0) { - fprintf(stderr, "%s: jtagmkII_initialize(): Failed to setup JTAG chain\n", - progname); - return -1; + if(strcmp(ifname, "debugWire") != 0) { + if (jtagmkII_setparm(pgm, PAR_DAISY_CHAIN_INFO, PDATA(pgm)->jtagchain) < 0) { + fprintf(stderr, "%s: jtagmkII_initialize(): Failed to setup JTAG chain\n", + progname); + return -1; + } } /*