>Number:         149322
>Category:       amd64
>Synopsis:       8.1-RELEASE does not boot on DL785 G6
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Aug 05 14:20:09 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Nathan Weeks
>Release:        8.1-RELEASE
>Organization:
>Environment:
N/A
>Description:
When booting the FreeBSD 8.1-RELEASE DVD on an HP Proliant DL785 G6, the 
process is eventually interrupted before sysinstall with the following error 
message:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x18
fault code            = supervisor read data, page not present
instruction pointer   = 0x20:0xffffffff80595e68
stack pointer         = 0x28:0xffffffff80cc24e0
frame pointer         = 0x28:0xffffffff80cc2520
code segment          = base 0x0, limit 0xfffff, type 0x1b
                      = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 0 (swapper)
trap number = 12
panic: page fault
cpuid = 0
kernel trap 12 with interrupts disabled

If I boot with ACPI disabled, it hangs at the "Trying to mount root from 
ufs:/dev/md0" stage.

FreeBSD 7.3-RELEASE successfully makes it to sysinstall, as does 9-CURRENT (I 
haven't tried finishing the installation process with either).


>How-To-Repeat:
Boot 8.1-RELEASE on a DL785 G6
>Fix:


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