Just thought I'd drop a note coming from Linux Mint (essentially Ubuntu), Fedora, and Archbang.
For booting into a Live Mint environment off USB, my problem was that I was being too impatient. I thought it was broke, but actually needed about a minute and a second to boot.
as a kernel boot parameter. It makes it wait for USB devices to be noticed if no CD drive is found. Should help with
I did not need "live-media-path" and did not need to remove "file=...". It didn't even need "cdrom-detect/try-usb=true" in my case, but, in general, I think the parameter helps for booting live USB environments.
/init: line 7: can't open /dev/sr0: No medium found
For Fedora's installer I do:
And for Archbang's installer I do:
linux /boot/vmlinuz-3.1.0-7.fc16.x86_64 root=UUID=[UUID of filesystem on USB drive] rootfstype=auto ro liveimg quiet rhgb rd.luks=0 rd.md=0 rd.dm=0
Hope that helps,
linux /arch/boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ArchBang64