Hi Logan, On Tue, Jul 3, 2018 at 3:01 PM, Logan Gunthorpe <logang@xxxxxxxxxxxx> wrote: > Besides that, it looks like we are hitting an undefined instruction. So > my best guess is that we are somehow now calling a proper 64bit read > when we should be calling two 32-bit reads. Yes, it seems that's the case. > Fabio, can you send your configuration? This is a imx6 board built with arch/arm/configs/imx_v6_v7_defconfig Thanks