Michael Biebl wrote: > Luis M. Ruiz Rosado wrote: >> Package: avrdude >> Version: 5.5-4 >> Severity: grave >> >> Avrdude fails to complete a request to getting info, or to program a chip, >> through >> USBTiny adapter (http://www.ladyada.net/make/usbtinyisp/). >> The error message is: >> avrdude: error: usbtiny_receive: No error (expected 8, got 4) >> >> There is a patch http://savannah.nongnu.org/patch/download.php?file_id=14754 >> discussed at http://savannah.nongnu.org/patch/?6233, that fixes this error >> among others. >> >> The patch attached here, is built and verified,with the Debian source >> package. >> The only changes are related to this fail. > > Honestly, I can't see how this patch should help: > > sizeof(unsigned char[4]) should be 4, no matter if you are using i386 or > amd64, > and the patch does nothing else then replacinging those two. > > Could you please pinpoint more exactly (e.g. via debug printfs), where the > code > actually fails? I lack the hardware to do so.
Nevermind, found the bug myself: static int usbtiny_cmd(PROGRAMMER * pgm, unsigned char cmd[4], unsigned char res[4]) ... sizeof(cmd) ... We are passing a char pointer along, so cmd is *not* a char[4] array, and pointers are 8 byte long on amd64. Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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