[BusyBox] pivot_root - devfs problem
Scott Murray
scottm at somanetworks.com
Thu Feb 20 08:08:03 UTC 2003
On Thu, 20 Feb 2003, Roberto De Leo wrote:
> Hi,
> I am trying to build a floppy boot disk for my project (movix.sf.net)
> and I'm almost there, except for a detail: after pivoting I cannot
> umount the old root since I cannot umount its dev directory mounted with
> "-t devfs".
>
> I searched with google and found many messages about this topic here and
> there [it is thanks to them that now almost everything works] but none
> of them managed to solve this last problem.
What works for me is to configure the kernel to auto-mount the devfs on
/dev at boot, then after pivoting you can mount another copy of devfs on
the new /dev and unmount the original (e.g. now /old_root/dev) at your
leisure.
Scott
--
Scott Murray
SOMA Networks, Inc.
Toronto, Ontario
e-mail: scottm at somanetworks.com
More information about the busybox
mailing list