Hi: Maybe this is a temporary sync problem, but at present it seems persistent. Using mock in and for Fedora 33. {{{ warning: Found bdb Packages database while attempting sqlite backend: using bdb backend. fedora 42 kB/s | 27 kB 00:00 updates 83 kB/s | 25 kB 00:00 RPM Fusion for Fedora 33 - Free 25 kB/s | 8.0 kB 00:00 RPM Fusion for Fedora 33 - Free - Updates 23 kB/s | 7.1 kB 00:00 RPM Fusion for Fedora 33 - Free - Updates 233 B/s | 3.7 kB 00:16 Errors during downloading metadata for repository 'rpmfusion-free-updates': - Downloading successful, but checksum doesn't match. Calculated: a42f6f5b00f0bfb256fe79e47a737f01d53eb4fc603b64aac56974c1a128e14b98f44fa20bc3022aed02d8614588c872c215a688192614de6c4eb9332b5a(sha512) Expected: 90615009a6939249ad59ce84ca236e4fd0272eab76faafa9537908e951ce6f77ab8dbcd88c3004fa576d283611f870b3c8472ea235919d77a8997769(sha512) Error: Failed to download metadata for repo 'rpmfusion-free-updates': Cannot download repomd.xml: Cannot doad repodata/repomd.xml: All mirrors were tried }}} John P