i386/60887: can't boot when fbsd exists with other operations if the root disk is set larger than 256M

[wxy]

>Number:         60887
>Category:       i386
>Synopsis:       can't boot when fbsd exists with other operations if the root disk is set larger than 256M
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          update
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jan 04 03:50:20 PST 2004
>Closed-Date:
>Last-Modified:
>Originator:     wxy
>Release:        4.9-release
>Organization:
jilin university
>Environment:
cpu: PIII-1.13
memory: 384M
hard disk: IBM-deskstarII
>Description:
when change the root mount subarea into larger than 128M, i found the computer can't boot from itself after neat installation.
>How-To-Repeat:
      
>Fix:
      
>Release-Note:
>Audit-Trail:
>Unformatted: