[avrdude-dev] [bug #46759] avrdude 6.1 -> 6.2 regression: lock byte verification error

[Milan Kupcevic]

URL:
  <http://savannah.nongnu.org/bugs/?46759>

                 Summary: avrdude 6.1 -> 6.2 regression: lock byte
verification error
                 Project: AVR Downloader/UploaDEr
            Submitted by: miki
            Submitted on: Sat 26 Dec 2015 02:03:19 AM GMT
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Milan
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Setting lock bits with avrdude version 6.1 woks as expected while
version 6.2 yields verification error:


  @$> avrdude -patmega328p -cstk500v2 -Pusb -e -Ulock:w:0x3f:m

  [ ... ]

  avrdude: verifying ...
  avrdude: verification error, first mismatch at byte 0x0000
           0xff != 0x3f
  avrdude: verification error; content mismatch

  avrdude: safemode: Fuses OK (E:FD, H:DE, L:FF)

  avrdude done.  Thank you.



I'm getting the same regression with both AVRISP mkII and AVR Dragon
programmers on ATmega328p, ATmega32U4 and ATmega2560 microcontrollers.


Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809002




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