I tested downgrading from 12.04 to 11.10 by installing 12.04 and then booting off an 11.10 CD. I was presented with the same choice to "upgrade from precise to 11.10". I choose this option and have a usable 11.10 system, however I didn't do any thorough testing of it.
I tested downgrading from 12.04 to 11.10 by installing 12.04 and then booting off an 11.10 CD. I was presented with the same choice to "upgrade from precise to 11.10". I choose this option and have a usable 11.10 system, however I didn't do any thorough testing of it.