kern/163164: FreeBSD 9.0-RC3 amd64 freezes on boot

[Stefan Krüger]

>Number:         163164
>Category:       kern
>Synopsis:       FreeBSD 9.0-RC3 amd64 freezes on boot
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Dec 10 12:20:05 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Stefan Krüger
>Release:        FreeBSD 9.0-RC3/amd64
>Organization:
>Environment:
not available
>Description:
FreeBSD 9.0-RC3 (well, any RC) hangs when I try to boot the CD on a Via EPIA M850 board.

Verbose boot ouput available at

http://pastebin.com/hf8pU5W9

Last line shown during boot is:

hdac0: Probing codec #1...

and then it completely freezes.
>How-To-Repeat:
Burn the amd64 iso and boot on a 64bit VIA Nano CPU.
>Fix:


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