ok, press e during boot in grub, you'll see a line with 'linux /boot/vmlinuz-*', add drm.debug=6 to the end, then boot normally with ctrl-x or f10 and force the bad things to happen. attach the resulting /var/log/dmesg to the bug :)
ok, press e during boot in grub, you'll see a line with 'linux /boot/vmlinuz-*', add drm.debug=6 to the end, then boot normally with ctrl-x or f10 and force the bad things to happen. attach the resulting /var/log/dmesg to the bug :)