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

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

 > > ns16550_init_postirq is called with port=0xf0000000040d0500,
> > uart->irq = 9, then serial_async_trasmit is called and
> > never returns.
> 
>    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.

Dan

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