For several recent kernel updates, dnf has complained about this but has updated as normal. I've just noticed that the package name looks strange, too. Should it get a BZ? FWIW, I think this is needed by the rpmfusion nVidia packages. :-) Thanks, John P {{{ Downloading Packages: (1/6): kernel-5.15.5-100.fc34.x86_64.rpm 92 kB/s | 14 kB 00:00 (2/6): kernel-devel-5.15.4-101.fc34_5.15.5-100.fc34.x86_64.drpm 3.1 MB/s | 3.0 MB 00:00 (3/6): kernel-modules-extra-5.15.5-100.fc34.x86_64.rpm 3.4 MB/s | 2.0 MB 00:00 (4/6): exfatprogs-1.1.3-1.fc34.x86_64.rpm 684 kB/s | 62 kB 00:00 (5/6): kernel-modules-5.15.5-100.fc34.x86_64.rpm 3.6 MB/s | 32 MB 00:09 (6/6): kernel-core-5.15.5-100.fc34.x86_64.rpm 2.4 MB/s | 35 MB 00:14 /var/cache/dnf/updates-1eb77e9f45b4391a/packages/kernel-devel-5.15.4-101.fc34_5.15.5-100.fc34.x86_64.drpm: md5 mismatch of result Some packages were not downloaded. Retrying. kernel-devel-5.15.5-100.fc34.x86_64.rpm 5.3 MB/s | 15 MB 00:02 }}}