x86_32 kernel config This is associated with [Bug 88131] The bootlog is already in Bug 88131. Kernel enabled PAE and HIGHMEM64G. PCI bar0 base address is above 4G, xhci driver failed to work. Yinghai Lu has already made some changes, please check it on bug 88131. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html