Re: [Xen-ia64-devel] PATCH: optionnaly enable xen console with irq/input.

[Tristan Gingold <Tristan.Gingold@xxxxxxxx>]

Le Mercredi 21 Juin 2006 16:54, Alex Williamson a Ãcrit :
> On Wed, 2006-06-21 at 16:30 +0200, Tristan Gingold wrote:
> > Le Mercredi 21 Juin 2006 15:55, Tristan Gingold a Ãcrit :
> > [Resent - using serial console on linux was not working]
> >
> > > Hi,
> > >
> > > this patch allows the use of xen console in input (irq enable).
> > > You need to set parameter xencons on command line and to disable serial
> > > in linux kernel.
> >
> > You may also want to set xencons on command line when using vga console.
>
>    At the risk of upsetting transparent paravirtualization, should we be
> setting CONFIG_XEN_DISABLE_SERIAL in our buildconfig?  I'd really like
> to see some way to do it dynamically so we can still build the 8250
> driver into a kernel for a serial console on bare metal, but getting a
> working serial console is currently too confusing.  Thoughts?  Thanks,
I'd prefer statu quo.
It seems Fedora ia64 doesn't include 8250 drivers into the kernel.

I am still looking for how dynamically enabling/disabling the 8250.
At this time linux can't alloc the IRQ line, but the failure is ignored :-(
Maybe we may add a command line option for 8250_acpi ?

Tristan.

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