黄剑 wrote: > help me, please.... i am confused by this for days. Thing is this, i am > a non-devel user of fedora 11, Then you're on the wrong list, try fedora-list or fedora-test-list. But to answer your actual question: don't use rpm -i (or -ivh) to downgrade fedora-release, use rpm -Uvh --oldpackage. Kevin Kofler -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list