LFS 6.1.1: umount: /mnt/lfs: device is busy

Angel Tsankov fn42551 at fmi.uni-sofia.bg
Fri Aug 11 08:04:22 PDT 2006


I'm building LFS 6.1.1 and I get the following messages when I issue 'umount -v /$LFS' at the end:

umount: /mnt/lfs: device is busy
umount: /mnt/lfs: device is busy

Here are the command that I execute at that point:
===============================================================================
umount -v /$LFS/dev/pts
umount -v /$LFS/dev/shm
umount -v /$LFS/dev
umount -v /$LFS/sys
umount -v /$LFS/proc

echo 'Current working directory is:'
echo `pwd`

echo 'Mount points are:'
cat /proc/mounts

echo 'The output from "fuser /mnt/lfs" is:'
fuser /mnt/lfs

umount -v /$LFS
===============================================================================

And here's the output:
===============================================================================
devpts umounted
tmpfs umounted
tmpfs umounted
sysfs umounted
proc umounted
Current working directory is:
/root
Mount points are:
rootfs / rootfs rw 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/hdb /dev/shm/.cdrom iso9660 ro 0 0
/dev/loop0 /dev/shm/.sqfs squashfs ro 0 0
unionfs / unionfs rw,dirs=/dev/shm/.overlay=rw:/dev/shm/.cdrom=ro:/dev/shm/.sqfs=ro,debug=0,delete=all,copyup=preserve 0 0
tmpfs /tmp tmpfs rw 0 0
proc /proc proc rw,nodiratime 0 0
sysfs /sys sysfs rw 0 0
devpts /dev/pts devpts rw 0 0
/dev/hdc /mnt/cdrom2 iso9660 ro 0 0
/dev/hda2 /mnt/lfs ext2 rw 0 0
The output from "fuser /mnt/lfs" is:
/mnt/lfs:
umount: /mnt/lfs: device is busy
umount: /mnt/lfs: device is busy
===============================================================================

Why can't I unmount /$LFS?




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