id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
182	detect all proc file systems before unmounting file systems	gerard@…	gerard@…	"umount -a doesn't unmount proc file systems. That's all great, so we added a
seperate umount of /proc to the umountfs script. But, proc may be mounted on
other places too, like $LFS/proc and often poeple forget to unmount it, so $LFS
can't be unmounted ,etc, etc.

Let's see if we can find a nice solution to parse the /proc/mounts file
(/etc/mtab isn't an option always in case / is mounted read-only), get all proc
file systems and unmount them."	defect	closed	highest		Book	CVS	normal	duplicate