kern/42007: hdaudio panics on P5W DH Deluxe (amd64)

[scotte%warped.com@localhost]

>Number:         42007
>Category:       kern
>Synopsis:       hdaudio panics on P5W DH Deluxe (amd64)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Sep 07 16:10:00 +0000 2009
>Originator:     Scott Ellis
>Release:        NetBSD 5.99.16 (-current from 09/07/09)
>Organization:
>Environment:
NetBSD intrepid 5.99.16 NetBSD 5.99.16 (INTREPID.P5W) #0: Sun Sep  6 08:16:31 
PDT 2009  
scotte@intrepid:/nbu/source/netbsd/src/obj.amd64/nbu/source/netbsd/src/sys/arch/amd64/compile/INTREPID.P5W
 amd64

>Description:
Replacing azalia with hdaudio and hdafg causes the following panic on boot:

hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
hdaudio0: interrupting at ioapic0 pin 19
hdafg0 at hdaudio0 vendor 0x10EC product 0x0882 nid 0x01 (firmware 
configuration)
hdafg0: DAC0:02, Analog Speaker: Jack (Green, 14)
hdafg0: DAC0:03, Analog Speaker: Jack (Orange, 16)
hdafg0: DAC0:04, Analog Speaker: Jack (Black, 15)
hdafg0: DAC0:05, Analog Speaker: Jack (Grey, 17)
hdafg0: DAC1:25, Analog HP Out: Jack (Green, 1B)
hdafg0: DAC2:06, Digital SPDIF Out: Jack (Black, 1E)
hdafg0: ADC3:07, Analog Mic In: Jack (Pink, 18)
hdafg0: ADC3:07, Analog Line In: Jack (Blue, 1A)
hdafg0: ADC3:07, Analog CD: Fixed Function (Unknown, 1C)
hdafg0: ADC4:08, Analog Mic In: Jack (Pink, 19)
hdafg0: 8 playback channels, 2 capture channels
audio0 at hdafg0: full duplex, independent
uvm_fault(0xffffffff804ded20, 0x0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff80126640 cs 8 rflags 10287 cr2  10 cpl 8 rsp 
ffffffff805b1f78
panic: trap

The operating system has halted.
Please press any key to reboot.
>How-To-Repeat:
Replace azalia with hdaudio and hdafg, and boot kernel on amd64.
>Fix: