kern/121640: Slices and Partitions listed twice in /dev

[Adam Pordzik]

>Number:         121640
>Category:       kern
>Synopsis:       Slices and Partitions listed twice in /dev
>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 Mar 12 10:30:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Adam Pordzik
>Release:        7.0-RELEASE
>Organization:
>Environment:
FreeBSD alix.lan.d-dt.de 7.0-RELEASE FreeBSD 7.0-RELEASE #7: Tue Mar  4 23:00:49 UTC 2008     root at brain.lan.d-dt.de:/usr/obj/usr/src/sys/ALIX  i386

>Description:
With some unmounted Partitions (here ad0s1d) on a ad(4) Disc-Devices nodes occurs twice in /dev:

//root at alix:/root> l /dev/ad*
crw-r-----  1 root  operator  -   0,  61 Mar 12 10:32:51 2008 /dev/ad0
crw-r-----  1 root  operator  -   0,  62 Mar 12 10:32:51 2008 /dev/ad0s1
crw-r-----  1 root  operator  -   0,  62 Mar 12 10:32:51 2008 /dev/ad0s1
crw-r-----  1 root  operator  -   0,  64 Mar 12 10:32:51 2008 /dev/ad0s1a
crw-r-----  1 root  operator  -   0,  64 Mar 12 10:32:51 2008 /dev/ad0s1a
crw-r-----  1 root  operator  -   0,  65 Mar 12 10:32:51 2008 /dev/ad0s1c
crw-r-----  1 root  operator  -   0,  65 Mar 12 10:32:51 2008 /dev/ad0s1c
crw-r-----  1 root  operator  -   0,  66 Mar 12 10:40:29 2008 /dev/ad0s1d
crw-r-----  1 root  operator  -   0,  66 Mar 12 10:40:29 2008 /dev/ad0s1d

# After mounting, everything looks good:

//root at alix:/root> mount /dev/ad0s1d /mnt
//root at alix:/root> l /dev/ad*
crw-r-----  1 root  operator  -   0,  61 Mar 12 10:32:51 2008 /dev/ad0
crw-r-----  1 root  operator  -   0,  62 Mar 12 10:32:51 2008 /dev/ad0s1
crw-r-----  1 root  operator  -   0,  64 Mar 12 10:32:51 2008 /dev/ad0s1a
crw-r-----  1 root  operator  -   0,  65 Mar 12 10:32:51 2008 /dev/ad0s1c
crw-r-----  1 root  operator  -   0,  66 Mar 12 10:40:29 2008 /dev/ad0s1d

>How-To-Repeat:
See above. NOT reproduced with da(4).

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: