shutdown freeze and forced unmounts

[Matthew Dillon]

:# df -h
:Filesystem    Size   Used  Avail Capacity  Mounted on
:/dev/da0s1a    32G    11G    18G    38%    /
:/dev/da1s1e   135G    71G    53G    57%    /home
:procfs        4.0K   4.0K     0B   100%    /proc
:linprocfs     4.0K   4.0K     0B   100%    /usr/pkg/emul/linux/proc
:
:No nullfs, mfs, or nfs.
:
:FYI, this is not a vkernel.
:
:--Peter

    I'm still not having any luck reproducing it, but I'm still trying.
    Try unmounting procfs and linprocfs manually without -f and see
    if it complains about any of them.

    I know there are issues in this area, its just a matter of figuring
    out what is causing the hanging refs.

					-Matt
					Matthew Dillon 
					<dillon at backplane.com>