I had no problems booting form a ext3 partition. So at least there seems to be an option to have journaling enabled.
- Bug#823500: cannot boot from ext4 Heinrich Schuchardt
- Bug#823020: Bug#823500: cannot boot from ext4 Vagrant Cascadian
- Bug#823020: Bug#823500: cannot boot from ext4 Heinrich Schuchardt
- Bug#823020: Bug#823500: cannot boot from ... Cyril Brulebois
- Bug#823020: Bug#823500: cannot boot f... Cyril Brulebois
- Bug#823020: Bug#823500: cannot b... Cyril Brulebois
- Bug#823020: Bug#823500: cannot boot from ext4 Heinrich Schuchardt