Hello, I'm taking 7.4 for a spin. I did the minimal install, and ran into trouble with groupinstall base. The trouble seems to stem from elfutils. One command claims elfutils-libs-0.166-2.el7.x86_64 is missing, and another one claims it's installed. Not sure what's going on here. [root at ip-172-31-34-187 ~]# yum -y install elfutils.x86_64 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.web-ster.com * extras: mirror.chpc.utah.edu * updates: mirrors.cat.pdx.edu Resolving Dependencies --> Running transaction check ---> Package elfutils.x86_64 0:0.166-2.el7 will be installed --> Processing Dependency: elfutils-libs(x86-64) = 0.166-2.el7 for package: elfutils-0.166-2.el7.x86_64 --> Processing Dependency: elfutils-libelf(x86-64) = 0.166-2.el7 for package: elfutils-0.166-2.el7.x86_64 --> Finished Dependency Resolution Error: Package: elfutils-0.166-2.el7.x86_64 (base) Requires: elfutils-libelf(x86-64) = 0.166-2.el7 Installed: elfutils-libelf-0.168-8.el7.x86_64 (@anaconda) elfutils-libelf(x86-64) = 0.168-8.el7 Available: elfutils-libelf-0.166-2.el7.x86_64 (base) elfutils-libelf(x86-64) = 0.166-2.el7 Error: Package: elfutils-0.166-2.el7.x86_64 (base) Requires: elfutils-libs(x86-64) = 0.166-2.el7 Installed: elfutils-libs-0.168-8.el7.x86_64 (@anaconda) elfutils-libs(x86-64) = 0.168-8.el7 Available: elfutils-libs-0.166-2.el7.x86_64 (base) elfutils-libs(x86-64) = 0.166-2.el7 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest [root at ip-172-31-34-187 ~]# yum -y install elfutils-libs.x86_64 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.web-ster.com * extras: mirror.chpc.utah.edu * updates: mirrors.cat.pdx.edu Package matching elfutils-libs-0.166-2.el7.x86_64 already installed. Checking for update. Nothing to do