Mistype in fbdevhw

In xorg-server-1.20.2/hw/xfree86/fbdevhw/fbdevhw.c

            readlink(sysfs_path, buf, sizeof(buf) < 0) ||

instead of

            readlink(sysfs_path, buf, sizeof(buf)) < 0 ||

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information