(In reply to Borislav Petkov from comment #5) > What Takashi means is can you bisect the issue? > > Search the web for "bisect the kernel" if you are unsure what it means. > > So let me ask you: what is the last kernel which boots successfully on > this machine? Can you upload dmesg and /proc/cpuinfo from it? > > Thanks. The only kernel i can boot is 4.7.4. I can't boot anything after at least 4.8.3. I've seen some examples of bisecting the kernels but it seems to differ on distributions. could you walk me through it?