On Sun, 2013-05-05 at 00:09 -0700, Yinghai Lu wrote: > Yes, there is something wrong > > pci 0001:01:00.0: BAR 8: can't assign mem (size 0x800000) > > as bridge only can support 32bit mmio non-pref. Right, that looks wrong, why can't it assign it ? That's what I haven't figured out yet. There should be plenty of space still available. > There is one bug for arch other than x86, but it should not be related. > > in pci_bus_alloc_resource() > > | /* don't allocate too high if the pref mem doesn't support 64bit*/ > | if (!(res->flags & IORESOURCE_MEM_64)) > | max = PCIBIOS_MAX_MEM_32; > > we should call pcibios_resource_to_bus ... to make > sure that actual bus addr is still 32bit Or the other way around but yes, I see your point however ... > But i'm confused, Did you happen to define your own > PCIBIOS_MAX_MEM_32 ? > as default one should be -1 other than x86. Right, it is -1. Oh well, I'll sprinkle some printk's around tomorrow (or ask Gavin to do it :-) Thanks ! Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
