Dear Borislav, On 10/04/18 12:54, Borislav Petkov wrote: > On Thu, Oct 04, 2018 at 10:59:18AM +0200, Paul Menzel wrote: >> I meant just the test you did. > > https://lkml.kernel.org/r/20181003212255.GB28361@zn.tnic I see. But there you write, the machine does boot. While here you write, it did not. > and I did try marking the ISA range RO in mark_rodata_ro() but the > machine wouldn't boot after. >> The SSD is also used in the Lenovo X60 and T60, which are >> 32-bit systems. > > And what exactly is the problem when you access it on a 64-bit OS? Sorry I do not understand the question. I carry the SSD drive with me, and connect it to the ASRock E350M1 (64-bit) or to the Lenovo X60 laptop and boot from it from both systems. Kind regards, Paul