So, I have some bad news - the issue may not be completely fixed. Or, I might have missed something. I tried to build an iso by following the steps to check out the debian-install stuff[1] but found that the build_all target did not make the netinst ISO as I expected.
I next found some directions for altering an existing iso, so I grabbed the net inst and followed the rough directions here[2]. I found I had to modify the directions to generate an efi compatible CD with these here[3]. The directions didn't seem to work due to genisoimage not recognizing all the arguments, so as per the workaround here[4] I had to grab a copy of the genisoimage binary from the ubuntu package. To modify the image, I rsync'd it to a new directory, then deleted the grub-installer 1.127 package and replaced it with a copy of 1.128. I updated the md5sums.txt file and the "Packages.gz" file (leaving everything the same except updating the verison, the path to the package, and the hashes). I then redid the install - and it WORKED! Got no grub error. Unfortunately, when I rebooted after the install, I still have the problem where it drops me into a simple grub command line, and fails to boot the rest of the way. Either something is messed up in my boot loader that a fresh install did not fix, or the fix in the grub-installer package alone is not enough (although it definitely is working better since it doesn't get errors during install anymore). -Carl [1] http://d-i.alioth.debian.org/doc/internals/ch04.html#id321776 [2] https://debmintux.wordpress.com/2010/07/21/howto-create-a-custom-debian-installer-netinstall-iso/ [3] http://askubuntu.com/questions/457528/how-do-i-create-an-efi-bootable-iso-of-a-customized-version-of-ubuntu [4] https://stackoverflow.com/questions/31831268/genisoimage-and-uefi -- Carl Myers PGP Key ID 3537595B PGP Key fingerprint 9365 0FAF 721B 992A 0A20 1E0D C795 2955 3537 595B
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