You have successfully booted with acpi disabled though?
Zhongjie Zhu <zhuzj.netbsd%gmail.com@localhost> writes:
> I installed the i386 5.0 release, I can not boot the system with acpi
> the system is hang up at "uhub5 at usb5: vendor 0x1002 EHCI root hub, class
> 9/0, rev 2.00/1.00, addr 1".
> attached file is the dmesg output.