https://bugzilla.kernel.org/show_bug.cgi?id=211349
--- Comment #7 from bolando@163.com --- Yes,maybe Ubuntu kernel applyed some patch? Otherwise AMDGPU driver only worked on X86_64 ? The radeon drivers worked well on 32bit kernel. I have Caicos and Oland chipset radeon graphic cards,all be drived perfect on LFS-10.0 i686 arch!