Hi again Steve and Berhard, dcfldd v1.5 was released today[1].
[1] https://github.com/resurrecting-open-source-projects/dcfldd/releases/tag/v1.5 I confirm that the new version is working fine now on amd64, i386 and armhf (I did some tests over these architectures) with split=1000 in command line. However, I got segmentation fault when running it with autopkgtest in armhf (amd64 and i386 are ok). I will remove the split option and close this bug (via upload). Tomorrow, I will make tests in several architectures and file a bug against autopkgtest package. Thank you very much for you contribution. Cheers, Eriberto