>Number: 176482 >Category: misc >Synopsis: Jails not unmounting devfs on exit >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Feb 27 17:30:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Spank Me >Release: 9.1-STABLE >Organization: >Environment: FreeBSD 222-freebsd 9.1-STABLE FreeBSD 9.1-STABLE #1: Wed Feb 27 10:30:10 CET 2013 root@222-freebsd:/usr/obj/usr/src/sys/KAROL amd64 >Description: When creating jails using 'jail' command with mount.devfs option, and then killing jail using 'jail -r' or exiting the '/bin/sh' only jail, the devfs filesystem is being left mounted leading to multiple mounts under the same directory when overlooked. >How-To-Repeat: root@222-freebsd:~ # jls JID IP Address Hostname Path root@222-freebsd:~ # mount /dev/ad0p2 on / (ufs, local, journaled soft-updates) devfs on /dev (devfs, local, multilabel) storage on /storage (zfs, local, nfsv4acls) storage/generic on /storage/generic (zfs, local, nfsv4acls) root@222-freebsd:~ # jail -c host.hostname=generic path=/storage/generic ip4.addr=10.1.1.222 mount.devfs command=/bin/tcsh root@generic:/ # jls JID IP Address Hostname Path root@generic:/ # mount storage/generic on / (zfs, local, nfsv4acls) root@generic:/ # exit root@222-freebsd:~ # jls JID IP Address Hostname Path root@222-freebsd:~ # mount /dev/ad0p2 on / (ufs, local, journaled soft-updates) devfs on /dev (devfs, local, multilabel) storage on /storage (zfs, local, nfsv4acls) storage/generic on /storage/generic (zfs, local, nfsv4acls) devfs on /storage/generic/dev (devfs, local, multilabel) root@222-freebsd:~ # jail -c host.hostname=generic path=/storage/generic ip4.addr=10.1.1.222 mount.devfs command=/bin/tcsh root@generic:/ # jls JID IP Address Hostname Path root@generic:/ # mount storage/generic on / (zfs, local, nfsv4acls) root@generic:/ # exit root@222-freebsd:~ # jls JID IP Address Hostname Path root@222-freebsd:~ # mount /dev/ad0p2 on / (ufs, local, journaled soft-updates) devfs on /dev (devfs, local, multilabel) storage on /storage (zfs, local, nfsv4acls) storage/generic on /storage/generic (zfs, local, nfsv4acls) devfs on /storage/generic/dev (devfs, local, multilabel) devfs on /storage/generic/dev (devfs, local, multilabel) root@222-freebsd:~ # >Fix: Unknown.
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