>From Mainlog.txt: 2018-01-27 17:47:39,498 ERROR IOError/SystemError in cache.update(): 'E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-updates/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-backports/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-security/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Some index files failed to download. They have been ignored, or old ones used instead.'. Retrying (currentRetry: 0) 2018-01-27 17:47:42,087 ERROR IOError/SystemError in cache.update(): 'E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-updates/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-backports/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-security/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Some index files failed to download. They have been ignored, or old ones used instead.'. Retrying (currentRetry: 1) 2018-01-27 17:47:44,662 ERROR IOError/SystemError in cache.update(): 'E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-updates/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-backports/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/artful-security/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.26 80], E:Some index files failed to download. They have been ignored, or old ones used instead.'. Retrying (currentRetry: 2)
** Changed in: ubuntu-release-upgrader (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745869 Title: do-release-upgrade fails because mirrors don't have both amd64 and arm64 architectures To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1745869/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs