nALFS and problem unmounting /dev

George Boudreau GeorgeB at
Tue Jan 17 20:56:32 PST 2006

I believe udevd is still hanging around..
  try   fuser $LFS or $LFS/dev  and see who is using the directory/.

On 1/17/06, Dermot Bradley <bradley at> wrote:
> I've been using nALFS for quite some time with my own LFS/HLFS derived
> profiles.
> In the past 6-8 months or so (don't remember exactly when) I started to
> have the problem that at the end of my profile (i.e. after Ch6. and after
> kernel build) when my profile tidied things up outside of the $LFS chroot
> location it suddenly became unable to "umount $LFS/dev", it gave a "device
> busy" error. There's no problem unmounting dev/pts, dev/shm, proc, or sys
> and back some time ago it all worked fine..........I'm guessing that its
> due to some udev-related change (the unmounting problem only starts after
> udev is build so its obviously happened after udev populated dev/ inside
> the chroot environment).
> Any suggestions how to force an umount of $LFS/dev/ ?
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