[coreboot] Interrupt confusion CK804 Tyan s2895

Rudolf Marek r.marek at assembler.cz
Tue Feb 24 20:02:44 CET 2009

> With Coreboot and ACPI the interrupt gets routed to IRQ 0, even though
> I put 18 in the _PRT table.  X loads more quickly, but there are
> obvious problems with text highlighting.
This is OK, just the PCI line reg is not initialized. Its  used only when the 
routing of PCI is done via 8259. Check 

There is some pics which explains that.

> In none of the three cases can I find the IRQ listed  in
> /proc/interrupts.  I would have expected to see it there.

It means that the driver is not using any interrupts Maybe you need to load the 
"nvidia" proprietary module.


More information about the coreboot mailing list