em0+msi related panic

Hi,

I was running 7.0-CURRENT until today with

hw.pci.enable_msi=0
hw.pci.enable_msix=0

in /boot/loader.conf

However from today built it causes panic during boot:


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x0
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0x0
stack pointer           = 0x28:0xd3d3acd0
frame pointer           = 0x28:0xd3d3ace4
code segment            = base 0x0, limit 0xfffff, type 0x1b
                         = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 25 (irq19: em0 uhci1+)
[thread pid 25 tid 100019 ]
Stopped at      0:      *** error reading from address 0 ***
db> bt
Tracing pid 25 tid 100019 td 0xc2d73360
ithread_execute_handlers(c2de4b40,c2db7800) at 
ithread_execute_handlers+0x119
ithread_loop(c2eb0ad0,d3d3ad38) at ithread_loop+0x67
fork_exit(c06ae8e0,c2eb0ad0,d3d3ad38) at fork_exit+0xac
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xd3d3ad70, ebp = 0 ---
db>

uname -a
FreeBSD fbsd.interex-pla.net 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Tue Feb 
27 10:39:02 CET 2007     root_at_fbsd.interex-pla.net:/usr/src/sys/i386/compile/GENERIC  i386


Regards,
gg.