Hello Wolfgang, I tried to attach gdb to the indi_gphoto_ccd driver directly now and captured gdb backtraces (just) from the driver crash. To not garble the forum too much I put it as gitlab snippet here: indi_gphoto_ccd driver crash with EOS R7 below kstars-git cfc274ad1 I also tried to run with the Canon DSLR driver (which did not work in the past for me), but same result: indi_canon_ccd driver crash with EOS R7 below kstars-git cfc274ad1 Kind regards, KlausRead More...