Kernel panic when reboot on server with a Promise SX4000 and two ATA disks RAID1.

Hi!
After having some trouble with ACPI kernel in 7.1, regarding booting with a
Promise SX4000 card in a RAID1 setup, I tried to upgrade to CURRENT to test
the bits that John Baldwin wrote and had commited to head.

Result:
Well, it boots ok but on reboot I get a kernel panic after the disks have
made the sync.

Attached is a bt and panic message.

Something for Alexander Motin to think about?  Or someone else? Or is it a
known problem?

I can test patches and stuff on my server. Can I give some more information
to help solve the problem?

Regards,
Magnus