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    M5Burner cannot publish BIN file due to DBus error

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    • L
      LBertrand
      last edited by

      Hello,
      I am trying to publish a firmware .bin file with M5Burner. The problem is that the + buttons to select the .bin file or the cover illustration do not respond.

      In the terminal, I get this error message.
      [16551:1207/221226.940000:ERROR:select_file_dialog_impl_portal.cc(698)] Portal returned error: org.freedesktop.DBus.Error.AccessDenied: Portal operation not allowed: Unable to open /proc/16551/root

      It seems to be trying to open a connection to another process but cannot access procfs as non-root. I tried running M5Burner as sudo but it won't start because of a security restriction apparently in Chromium:
      [1207/223917.916497:FATAL:electron_main_delegate.cc(290)] Running as root without --no-sandbox is not supported. See https://crbug.com/638180.

      This is running on Linux Mint 22 Cinnamon (amd64), based on Ubuntu Noble.

      Any suggestions?
      Thanks
      --Louis

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