[   73.147470] fbtft: Unknown symbol fb_sys_write (err 0)
[   73.147519] fbtft: Unknown symbol sys_imageblit (err 0)
[   73.147560] fbtft: Unknown symbol sys_fillrect (err 0)
[   73.147683] fbtft: Unknown symbol sys_copyarea (err 0)
[   73.147753] fbtft: Unknown symbol fb_sys_read (err 0)