Hi,
I am using BusyBox 1.13.2, which I am using in an initramfs, which then mounts
a flash-based filesystem and does a switch_root to this as the new root
filesystem. This all works well, except that /proc/mounts still shows '/'
mounted as rootfs on rootfs, in addition to the flash files system (/dev/hda1):
rootfs on / type rootfs (rw)
/dev/hda1 on / type ext2 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
ramfs on /dev type ramfs (rw)
devpts on /dev/pts type devpts (rw)
shm on /dev/shm type tmpfs (rw)
My understanding is that rootfs is never unmounted, but gets 'mounted over' by
the new root filesystem via switch_root: does this mean that this should then
no longer appear in /proc/mounts? The script I am using in /init essentially
does:
-mounts /proc
-mounts /sys
-creates device nodes in /dev using mdev -s (I have to at least have
/dev/console created there first though)
-parses /proc/cmdline
-mounts 'real' filesystem on selected device at /newroot
-unmounts /proc and /sys
-runs exec switch_root to /newroot
Any ideas?
Cheers,
Campbell
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