On Sat, Jul 21, 2007 at 11:35:32PM +0000, Arnaud Lacombe wrote:
> acpi0: power button pressed, shutting down!
> syncing disks... done
> unmounting file systems..
> uvm_fault(0xca8abe00,0, 1) -> 0xe
> 
I've been able to reproduce the panic, but still on 4.99.21. It seems to be
triggered after a long bittorrent activity on the disk. I keep record of the
argument address recorded by ddb and try to see what happen ...

 - Arnaud