Red Hat Bugzilla – Bug 7374
cann't unmount / cleanly during the rebooting process
Last modified: 2008-05-01 11:37:53 EDT
I see this message, "unmount: / is busy" whenever I try to reboot the
I have exactly the same problem, but only on my IBM computer's with normal scsi
disks. I also have an IBM with serveraid installed and the problem is not there
at all. On one Dell server is not there either.
This is a transcript of an reboot:
[root@lxas1 /root]# reboot
Shutting down X Font Server:
Shutting down PCNFSD daemon:
Shutting down sendmail:
Shutting down SMB services:
Shutting down NMB services:
Shutting down named:
Stopping INET services:
Stopping at daemon:
Stopping cron daemon:
Unmounting NFS filesystems
Saving random seed
Stopping portmap services:
Shutting down interface eth0
Disabling IPv4 automatic defragmentation
Shutting down kernel logger:
Shutting down system logger:]
Starting killall rpc.statd forgot to set AF_INET in udp sendmsg. Fix it!
Sending all processes the TERM signal
Sending all procmd: recovery thread got woken up ...
esses the KILL smd: recovery thread finished ...
ignal.. mdrecoveryd(6) flushing signals.
Turning off swap
Turning off accounting
Unmounting proc file system
mount: / is busy
Error: /proc must be mounted
To mount /proc at boot you need an /etc/fstab line like:
/proc /proc proc defaults
In the meantime, mount /proc /proc -t proc
mount: / is busy
Please stand by while rebooting the system...
stopping all md devices.
INIT: version 2.77 booting
Welcome to _[1;31mRed Hat_[0;39m Linux
Press 'I' to enter interactive startup.
Mounting proc filesystem
Setting clock : Thu Dec 23 11:44:36 CET 1999
Loading default keymap
Activating swap partitions
Setting hostname lxas1
Checking root filesystem
/dev/sda1 was not cleanly unmounted, check forced.
You must have modfied some of your initscripts that cause /proc to be unmounted
prematurely and in turn the final shutdown steps are not performed cleanely.