Remastersys is no longer supported as far as I believe. If I am not mistaken, Brian, it has been forked and is available under the name relinux. I tried to access their github page at the time of this response but I cannot get the page to come up.
sudo update-initramfs -u
(initramfs) /init: line 3: can't open /dev/sdc: no medium found/init: line 3: can't open /dev/sdd: no medium found/init: line 3: can't open /dev/sde: no medium found/init: line 3: can't open /dev/sdf: no medium found/init: line 3: can't open /dev/sdf: no medium foundmount: mounting /dev/loop0 on //filesystem.squashfs failed: Invalid argumentCan not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs
Good to see its working. Out of curiosity your first post said an experimental system, what all do you have on it?
Oh it's Frankenminbuntu right? That looks like it was a fun project, I love building distros from the ground up to get a perfect desktop suited for the person using it.