acpi suspend/resume problem in Dell D620

[Ganbold]

Hi,

# uname -an
FreeBSD devil.micom.mng.net 6.1-STABLE FreeBSD 6.1-STABLE #7: Tue Aug  8 
12:52:48 ULAST 2006     
tsgan at devil.micom.mng.net:/usr/obj/usr/src/sys/DEVIL  i386

dmesg:
http://www.mnbsd.org/ftp/d620_dmesg.txt

acpidump:
http://www.mnbsd.org/ftp/d620.asl

# sysctl hw.acpi
hw.acpi.supported_sleep_state: S3 S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S3
hw.acpi.lid_switch_state: S3
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 1
hw.acpi.verbose: 0
hw.acpi.disable_on_reboot: 0
hw.acpi.handle_reboot: 0
hw.acpi.reset_video: 0
hw.acpi.cpu.cx_supported: C1/1
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00%
hw.acpi.acline: 1
hw.acpi.battery.life: -1
hw.acpi.battery.time: -1
hw.acpi.battery.state: 7
hw.acpi.battery.units: 2
hw.acpi.battery.info_expire: 5
hw.acpi.video.tv0.active: 0
hw.acpi.video.crt0.active: 0
hw.acpi.video.out0.active: 0
hw.acpi.video.out1.active: 0
hw.acpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.user_override: 0
hw.acpi.thermal.tz0.temperature: 57.5C
hw.acpi.thermal.tz0.active: -1
hw.acpi.thermal.tz0.passive_cooling: 0
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0._PSV: -1
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 126.0C
hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

When I try to suspend the system, it suspends (acpiconf -s 3), but when 
I try to resume it panics:

ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
ioapic_suspend: not implemented!
panic: pmap_invalidate_page: interrupts disabled
cpuid = 0
KDB: enter: panic

Is it known problem? How do I make resume work with acpi?
I'm willing to test any patches.

Booting without ACPI stops with fatal trap:
http://lists.freebsd.org/pipermail/freebsd-stable/2006-August/027471.html

thanks,

Ganbold