I believe the same issue I see with running "linux rescue" on a USB drive is the same issue I am having why the thumb drive wont boot.
When installing I have to use expert mode I just cant install directly as the USB disk is not seen. What happens extra in expert mode? some delay somewhere???
When doing a linux rescue it looks for existing installations and finds none. This is because the USB disk is not yet ready. If I do "fdisk -l /dev/sda" from the shell given it is not there, wait a couple second do it again and NOW the fdisk -l /dev/sda shows the device...
Its just like when you stick a USB disk in a working machine. takes a few second to be mount-able.
So the big question is how do I get the USB disk to be recognized a FEW second later? The boot is happening tooo fast and I think and my USB disk is not yet ready. That is why it cant find my ext3 file system on the disk.
I am so close to getting this thing running.
Any suggestion/comments on what I am finding and how to get past it?
Thanks guys.
jerry