On Tue, Apr 30, 2019 at 4:00 PM Jordan Hand <jorhand@xxxxxxxxxxxxxxxxxxx> wrote: > No. The only print messages I get are from efi_printk. And they don't > show up like normal kernel logs do during boot. The purple grub screen > hangs and the efi_printk messages just print over the top of it. > > Although now I'm wondering if the efi_printk messages I added after > efi_exit_boot_services just aren't showing up because I've exited boot > services and can no longer call that function (seems reasonable). Ah, yes, any attempt to efi_printk() after efi_exit_boot_services() is likely to end badly! In that case can you try the patch in https://lore.kernel.org/linux-integrity/CACdnJuvYAfFboej4e5jQ=iwhb-5Pi7BgSKEWGqJ0q=uarCoOfQ@xxxxxxxxxxxxxx/T/#m4326297b6aa5ec27948325eb22736871b8aca998 ?
