Re: [Xen-devel] Re: Continuing problems booting

[Gerd Hoffmann <kraxel@xxxxxxxxxx>]

  Hi,

>> Now the i386 machine shows other issues, device drivers fail to
>> register, errno 38 (ENOSYS).  Huh?  Also Shift-PgUp doesn't work, which
>> makes me think it is an interrupt issue.  APCI-less box.  The x86_64
>> machine (with IO-APIC) is doing fine.
> 
> Hm.  I was not really planning on supporting no-ACPI; I've only hooked
> acpi_register_gsi, which is called via acpi_pci_irq_enable.  I guess
> you'd need to do something in pirq_enable_irq as well, and I'm not sure
> if all the stuff gets set up properly for IO_APIC_get_PCI_irq_vector to
> work.

I have -rc6 kernel which *does* boot.  Maybe that was by accident ;)

The kernel initializes legacy interrupts anyway.  I think you don't need
to do more to handle apic-less machines, no?

cheers,
  Gerd

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