Trying to repair the usual broken Ubuntu I try chrooting following directions from this page However when I arrive to the mounting step where I need to mount the existing Extended broken Linux partition I can't because don't know the type and there are many. I tried ext, ext2, ext3, ext4 ... none work. the type is also not optional if I leave it empty I get mount: you must specify the filesystem type

What is the type of choice to mount an existing Linux 11.10 partition?