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Date:      Fri, 14 Dec 2012 15:13:18 GMT
From:      Robert Schulze <rs@bytecamp.net>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/174436: Jails with numbers as names don't work
Message-ID:  <201212141513.qBEFDIrx050902@red.freebsd.org>
Resent-Message-ID: <201212141520.qBEFK01e059129@freefall.freebsd.org>

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>Number:         174436
>Category:       misc
>Synopsis:       Jails with numbers as names don't work
>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:   Fri Dec 14 15:20:00 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Robert Schulze
>Release:        9.1-PRERELEASE
>Organization:
bytecamp GmbH
>Environment:
FreeBSD xxxxx 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #0 r244185M: Fri Dec 14 14:14:25 CET 2012     root@xxxxx:/usr/obj/usr/src/sys/TEST  amd64

>Description:
When configuring jails with numbers as their names, one can't start a jail named "0" (system panics) or "1" (cannot start jail "1").

Maybe this could just be documented, or better an error message should be printed by /etc/rc.d/jail, that numbers can't be used as jail names.

This problem exists in previous versions of FreeBSD, too.

>How-To-Repeat:
/etc/rc.conf:

jail_0_rootdir="/mnt/jail-0"
jail_0_hostname="foobar0.example.com"
jail_0_ip="nn.yy.zz.aa"
jail_0_devfs_enable="YES"
jail_0_interface="em0"

jail_1_rootdir="/mnt/jail-1"
jail_1_hostname="foobar1.example.com"
jail_1_ip="nn.yy.zz.aa"
jail_1_devfs_enable="YES"
jail_1_interface="em0

# /etc/rc.d/jail start 0
-> panic

# /etc/rc.d/jail start 1
Configuring jails:.
Starting jails: cannot start jail "1": 
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:



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