On Sat, 15 Dec 2007, D'Arcy J.M. Cain wrote:
> When I try to boot an amd64 kernel built from the latest sources it
> drops into the debugger with this message:
>
> panic: mpacpi_findintr_linkdev: irq mismatch
>
> I can reproduce this every time if someone wants to have me run some
> commands in the debugger.

Can you please try the following:

   # gdb --write /netbsd
   (gdb) set mp_verbose=1
   (gdb) quit

And look for the line before the panic message that says:

   linkdev BLAH returned ACPI global int <n>

Thanks!
Jared