Ok, thanks for the pointer. It would've taken me a while to think to dig into grub2. I'll let you know if I find a more elegant solution for future reference. Grabbing source tree now that I've realized I can see it... On 11/16/18, 10:21 AM, "[log in to unmask] on behalf of Pat Riehecky" <[log in to unmask] on behalf of [log in to unmask]> wrote: The EFI dir detection logic in grub2/shim/shim-signed are the real culprits. I just hard coded the result in the spec file. In theory if you open up the srpm you should see a spec patch that is doing the work. With that in place the utilities on the CD and in the install root work right again. Or at least work right on my test box.... Pat On 11/16/18 10:14 AM, Kraus, Dave (GE Healthcare) wrote: > Any ugly details you'd care to share? As in, what am I going to have to work through when I get to assembling our spin? (Which might start today even...) > > On 11/16/18, 8:41 AM, "[log in to unmask] on behalf of Pat Riehecky" <[log in to unmask] on behalf of [log in to unmask]> wrote: > > I've fixed the install media, EFI should now work as expected. > > Pat > > > -- Pat Riehecky Fermi National Accelerator Laboratory http://www.fnal.gov https://urldefense.proofpoint.com/v2/url?u=http-3A__www.scientificlinux.org&d=DwIGaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbBYBgsCHS7vSr83lHQ-aa58eXICk1KkzZlAHgohLRRrX&m=ofe9lNcTHDxBNOsz4Rhjx3yyCDEjk8vK9fzFFN_H3zk&s=N82zH7OJ1rNuclX6glvUIWPoY6swrjXuTd1ntUrAZxA&e=