[bug #60575] Permission denied on macOS Big Sur

[Victor Barbu]

URL:
  <https://savannah.nongnu.org/bugs/?60575>

                 Summary: Permission denied on macOS Big Sur
                 Project: AVR Downloader/UploaDEr
            Submitted by: vicbarbu
            Submitted on: Mon 10 May 2021 06:13:32 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: vicbarbu
        Originator Email: 
             Open/Closed: Open
                 Release: 6.3
         Discussion Lock: Any
     Programmer hardware: ATMEL_ICE
             Device type: 

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Details:

Hi everyone!

Recently migrated to macOS Big Sur and can no longer use avrdude. 

I am using ATMEL-ICE programmer and made the correct connections to an
ATMega1284P (although it's pretty irrelevant in this scenario).

Running the following command:

    sudo avrdude -c atmelice_isp -p m1284p -t -v

Gives:

    avrdude: Version 6.3, compiled on Mar 13 2021 at 14:40:05
             Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
             Copyright (c) 2007-2014 Joerg Wunsch

             System wide configuration file is
"/opt/homebrew/Cellar/avrdude/6.3_1/etc/avrdude.conf"
             User configuration file is "/Users/victorbarbu/.avrduderc"
             User configuration file does not exist or is not a regular file,
skipping

             Using Port                    : usb
             Using Programmer              : atmelice_isp
    avrdude: usbdev_open(): Found Atmel-ICE CMSIS-DAP, serno: Jxxxxxxxxxxx
    avrdude: usbdev_open(): error claiming interface 0: Permission denied
    avrdude: usbdev_open(): no usable interface found
    avrdude: jtag3_open_common(): Did not find any device matching VID 0x03eb
and PID list: 0x2141

Spawning a virtual machine with Fedora ARM and connecting the programmer
straight to that virtual machine makes avrdude work perfectly (by running the
same command).

Is there any workaround to the issue (apart from using the virtual machine)?

Thanks!




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