Martin,

Thank you for your information.

> > Is this a well-known problem or my configuration mistake?
> 
> This happens when the BIOS does not configure all PCI busses "good enough".
> 
> My notebook kernel has:
> 
> options         PCIBIOS
> options         PCIBIOS_INTR_FIXUP      # fixup PCI interrupt routing
> options         PCIBIOS_INTR_FIXUP_FORCE

In my case, both/either PCIBIOS_ADDR_FIXUP and/or PCIBIOS_BUS_FIXUP
seem(s) to be needed, but now it works well. Thanks!
--
Hitoshi Asaeda