i386/109010: can mv directory within fat32 file system

[ronggui]

>Number:         109010
>Category:       i386
>Synopsis:       can mv directory within fat32 file system
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Feb 10 09:20:03 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     ronggui
>Release:        6.2
>Organization:
Fudan University
>Environment:
FreeBSD MyBSD.localdomain 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12 10:40:27 UTC 2007     root at dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
When I try to move a directory  into another directory within fat32 file system, the system complain that " not a directory?".

The fat32 system is one logical partition, not a primary partition.

My disk table is like this:

windows C:\ --- BSD slice --- windows D --- windows E

the windows C:\ is ad0s1,
the BSD slice is ad0s3 (and the ad0s2 is the windows extened partition),
the windows D:\ is ad0s5,
the windows E:\ is ad0s6.

Strangely, the problem does not occur with ad0s6. And in my other PC, This problem  never shows up. 
>How-To-Repeat:
mount_msdosfs /dev/ad0s5 /mnt
cd /mnt
mkdir 1 2
mv 1 2
doscheckpath():.. not a directory?
mv: rename 1 to 2/1: Not a directory
>Fix:

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