5.4: pci_link problem on 440BX

[Eugene Grosbein]

John Baldwin wrote:

> > > Are any of the IRQs different when you do use the pci_link code compared
> > > to the dmesg when you have pci_link disabled?
> >
> > It seems, no:
> >
> > --- dmesg_full        Tue May 10 14:02:42 2005
> > +++ dmesg_no_pci_link Tue May 10 14:00:59 2005
> > @@ -20,9 +20,13 @@
> >  acpi_button0: <Power Button> on acpi0
> >  pcib0: <ACPI Host-PCI bridge> port 0x5000-0x500f,0x4000-0x4041,0xcf8-0xcff
> > on acpi0 pci0: <ACPI PCI bus> on pcib0
> > +pcib0: no PRT entry for 0.7.INTD
> > +pcib0: no PRT entry for 0.16.INTA
> > +pcib0: no PRT entry for 0.18.INTA
> 
> Your BIOS is broken and there's not anything FreeBSD can really do about it.
> It's refusing to tell us how to handle certain IRQs which is probably why you
> are having the problems you are having.

I'm afraid that I don't understand quite right.
The message "no PRT entry" is here only when pci_link is disabled
and then problem disappears. What makes you guess that BIOS is broken?

> You can check for a BIOS update
> perhaps to see if there is one that fixes this issue.

I did already. I run latest BIOS.

Eugene Grosbein