Re: CVS commit: src/sys/arch/x86/x86

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, May 20, 2008 at 03:46:47AM +0000, David Holland wrote:
>  > For starters, can you (a) test if it works after "disable ioapic" and
>  > (b) can you provide me the dmesg of both the working and non-working
>  > revision with INTRDEBUG?
> 
> Running the controller in AHCI mode (which seems to be the Right Thing
> (TM)) makes both this problem and the (probably related) hangs with
> ACPI enabled go away, *and* causes it to be able to find both the
> disks connected to it.
> 
> See kern/37826.
> 
> So I think you can ignore the problem.

I think the switch to ACPI just hides the problem, it's not a fix. The
root of the issue seems to be interrupts not working in some cases, and
hidding it here by using ACPI doesn't mean it won't show up with some other
device in a different configuration.

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--