I see some more strange behaviour when I try to reproduce it locally. This happens fairly reliably and in almost 100% of cases: When the installation overview appears, it shows that it's going to upgrade only 5 packages and remove 1932. This is clearly wrong, and going into the packager shows that it's going to upgrade most of them instead. If I hit the "Back" and then the "Next" button again, it shows the correct summary. Sometimes when I hit the "Abort" button, it shows that /mnt/var/cache/ fails to unmount, because /mnt/var/cache/zypp/solv/openSUSE-1-0/solv is being used.