Comment # 11 on bug 1204315 from Takashi Iwai

(In reply to Guillaume GARDET from comment #1)
> Oct 04 00:00:01.306451 localhost kernel: simple-framebuffer
> simple-framebuffer.0: [drm] *ERROR* could not acquire memory range [mem
> 0x3eaa9000-0x3ebfafff flags 0x200]: error -16

Could you check what conflicts in those memory area by looking at /proc/iomem?