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Re: [Xen-devel] Serial console problem with Xen 3.0

On Tue, 2006-04-11 at 16:42 +0100, Keir Fraser wrote:
> On 11 Apr 2006, at 16:38, Ryan wrote:
> > I've not yet found a good workaround except to disable pnpacpi. It 
> > would
> > be nice to have pnpacpi (or some component) detect that Xen is using 
> > the
> > serial port and leave it untouched.
> >
> > I think this explains the behavior in bug 229 (and possibly 579 as
> > well).
> It's actually fixed in latest -unstable and -testing trees (we simply 
> ignore the IO-APIC write that attempts to mask the interrupt).
>   -- Keir

Hmm... I hadn't tried the latest xen-unstable with that changeset and
you're right, it appears to work now. Is that how the ACPI tables
specify how to disable the serial port? Or is my conclusion about ACPI
completely unrelated to why it wasn't working?


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