For some reason I never got your answer. So I've subscribed to `1007...@bugs.debian.org`
> I'm sure this is easy to diagnose for someone who can reproduce it. I've followed the instructions from: * https://wiki.debian.org/RISC-V#debootstrap I have now a RISCV-64 arch on my amd64 machine. Now: $ dget -u http://deb.debian.org/debian/pool/main/n/netpbm-free/netpbm-free_10.97.00-1.dsc $ cd netpbm* $ debuild -B So I have a complete built tree of netpbm. What should I do now for issue: ... == palm-roundtrip.test == pamdepth: promoting from black and white to grayscale palmtopnm: Invalid Palm image input. Header says 30 bytes per row after uncompressing from 8-bit Packbits, but we counted 4294967069 bytes in a row, before we stopped processing the row pnmcolormap: making histogram... pnmcolormap: Scanning image 0 pnmcolormap: 20314 colors so far pnmcolormap: 20314 colors found pnmcolormap: choosing 256 colors... pnmremap: 256 colors found in colormap palmtopnm: Invalid Palm image input. Header says 228 bytes per row after uncompressing from 8-bit Packbits, but we counted 4294967044 bytes in a row, before we stopped processing the row palm-roundtrip.test: FAILURE ... Thanks