Re: ACPI/Interrupt trouble on AMD 880G

["Jonathan A. Kollasch" <jakllsch%kollasch.net@localhost>]

On Thu, Dec 30, 2010 at 02:47:27PM -0500, Gary Duzan wrote:
>    I'm having trouble booting on a new AMD 880G-based motherboard.
> The boot process progresses normally until around the wd0 probe, at
> which point it stops. If I type on the keyboard, it will continue, if
> slowly, until I stop typing. Booting with ACPI disabled mostly works,
> though things like poweroff don't work. I get similar behavior if I try
> to boot Dragonfly, though Ubuntu doesn't have a problem. I get similar
> results with netbsd-5 or -current, amd64 or i386.
> 
>    I'm assuming that ACPI is mangling the interrupt routing, or
> maybe disables some interrupts without re-enabling them. Any
> ideas where to start attacking the problem? I've included links to
> the dmesg.boot for the ACPI and non-ACPI cases, and an acpidump.
> 
>    Thanks.

-current with acpicpu(4) enabled?

This sounds like the C1E issue.

        Jonathan Kollasch