It's just that by default it is expecting the chroot to be of the same architecture of the host system, unless instructed otherwise.
Fixed that particular case here of the .changes file, but I wouldn't be surprised if anything else was doing same bad assumption. https://salsa.debian.org/pbuilder- team/pbuilder/commit/00c5ac2c9c12c2696d9c7834e1527feab9cdfbdf ** Changed in: pbuilder (Ubuntu) Status: New => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762890 Title: build fails in multi-arch environment (missing changes file) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pbuilder/+bug/1762890/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs