kern/87791: Kernel crash when running df

[Kerry Throw]

>Number:         87791
>Category:       kern
>Synopsis:       Kernel crash when running df
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Oct 21 16:40:15 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Kerry Throw
>Release:        6.0-RC1
>Organization:
CCRS
>Environment:
FreeBSD-RC1 #0: Sun Oct  9 20;32:57 UTC 2005
root at x64.samson.home:/usr/obj/usr/src/sys/GENERIC
i386      
>Description:
Fatal Trap 12: page fault while in kernel mode
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc05ff472
stack pointer = 0x28:0xd1737654
frame pointer = 0x28:0xd1737668
code segment = base 0x0,limit 0xfffff,type 0x1b
             = DPL 0,pres 1,def32 1 ,gran 1
processor eflags = interrupt enabled, resume,IOPL=0
current process = 5619 (df)
trap number = 12
panic:page fault
uptime: 20h28m31s

A crash dump is also availabe.
>How-To-Repeat:
Unable to repeat so far. 
>Fix:
              
>Release-Note:
>Audit-Trail:
>Unformatted: