powerpc/121407: Won't boot up; strange error message.

[Phil Murphy]

>Number:         121407
>Category:       powerpc
>Synopsis:       Won't boot up; strange error message.
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-ppc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Mar 05 22:10:02 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Phil Murphy
>Release:        FreeBSD 7.0-RELEASE (ISO - Boot only)
>Organization:
>Environment:
PPC?
>Description:
When the machine starts up (Mac G3 Clamshell), it begins to initiate the loader. Then, all of a sudden, the screen goes black, displaying this message:
Fatal Kernel Trap:

   exception                = 0x4 (instruction storage interrupt)
   virtual address          = 0x4d3fa8
   srr0                     = 0x4d3fa8
   srr1                     = 0x8003032
   curthread                = 0x570520
            pid = 0, comm =

panic: instruction storage interrupt trap
Uptime: 1s



>How-To-Repeat:
Turn on the computer. 
>Fix:


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