> I think drivers/pci/search.c is identical between 3.7 and 3.8-rc1. Is > this the first time you've turned on the IOMMU on that box? It exists in 3.7 and earlier kernels, just haven't turned on same config. > It's the same warning as in this bugzilla: > https://bugzilla.kernel.org/show_bug.cgi?id=44881, and there's a patch > there at https://bugzilla.kernel.org/show_bug.cgi?id=44881#c11, but > it's just a quirk that turns off VT-d if we find certain broken > bridges. It doesn't look like you have any of those (although I don't > know what you have at 05:00.0). > > Bjorn This is a standard ASUS motherboard, and don't want to disable VT-d. -- 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