On Wed, 20 Sep 2017, Gregory P. Ennis wrote: > This happened to me on one of the units during a 7.4 upgrade, and the only > way for the system to work for me was to use the previous os. > > I tried to use the yum remove kernal 7.4 , but yum tried to remove all of > the kernels instead of just that last one installed. I obviously aborted > the command. Uninstall a specific kernel, e.g.: yum remove kernel-3.10.0-693.2.2.el7.x86_64 > Looks like 7.4 has some major problems. I've seen no major problems so far, having updated a fair few machines. jh