NetBSD 6.0/amd64 Panic on shutdown.. mfi related?

[Hugo Silva <hugo%barafranca.com@localhost>]

Happening 100% of the time.

Does the information below help ?


*** FINAL System shutdown message from root@ ***

System going down IMMEDIATELY





Nov  7 16:05:59  shutdown: reboot by root:

System shutdown time has arrived

About to run shutdown hooks...
Stopping cron.
Waiting for PIDS: 427.
Stopping inetd.
Waiting for PIDS: 396.
Saved entropy to disk.
Removing block-type swap devices
swapctl: removing /dev/wd0b as swap device
Wed Nov  7 16:06:05 UTC 2012

Done running shutdown hooks.
Nov  7 16:06:10  syslogd[185]: Exiting on signal 15
syncing disks... done
sd3: detached
sd2: detached
sd1: detached
sd0: detached
sd4: detached
cd0: detached
scsibus0: detached
scsibus1: detached
mfi1: detached
pci4: detached
pci3: detached
wd1: detached
com0: detached
igphy1: detached
wm1: detached
igphy0: detached
wm0: detached
ppb3: detached
ppb2: detached
uvm_fault(0xffffffff80e00fa0, 0xffff80023b9a4000, 2) -> e
fatal page fault in supervisor mode
trap type 6 code 2 rip ffffffff8020c3f8 cs 8 rflags 10202 cr2
ffff80023b9a4034 cpl 0 rsp fffffe813d2119d8
kernel: page fault trap, code=0
Stopped in pid 458.1 (reboot) at        netbsd:bus_space_write_4+0x8:
movl    %
ecx,0(%rdx)
db{4}> bt
bus_space_write_4() at netbsd:bus_space_write_4+0x8
mfi_gen2_intr_dis() at netbsd:mfi_gen2_intr_dis+0x2a
mfi_detach() at netbsd:mfi_detach+0x6b
mfi_pci_detach() at netbsd:mfi_pci_detach+0x21
config_detach() at netbsd:config_detach+0x80
config_detach_all() at netbsd:config_detach_all+0x7d
cpu_reboot() at netbsd:cpu_reboot+0x142
sys_reboot() at netbsd:sys_reboot+0x7d
syscall() at netbsd:syscall+0xc4
db{4}>