RE: [Xen-ia64-devel] RE: [PATCH] fixed serial console support

["Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>]

> >    Hmm, what kind of box are you using that is setting the 
> > irq to 9?  I
> > don't have any boxes that use legacy serial interrupts, so 
> there could
> > be a problem there.  I believe Tristan had a patch that could make
> > legacy interrupts work.  In the mean time, how about 
> > explicitly setting
> > irq = 0 before calling ns16550_init()?
> 
> It's an old rx2600 with a (PCI? AGP?) video card. It's set up
> so that EFI console in/out goes both to serial and to video.
> (as this makes it easier for me to install distros).  Maybe 9
> is the video?
> 
> I'll try irq=0 when I have a chance... I'm currently testing
> the latest xen-unstable.

Yep, forcing uart->irq to 0 in ns16550_init_postirq allows the
boot to complete.

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