Your package avr-gdb failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24769474 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
Created attachment 1443172 [details] build.log
Created attachment 1443173 [details] root.log
Created attachment 1443174 [details] state.log
This is