[i.MX] ERROR: v4l2 capture: mxc_v4l_dqueue timeout enc_counter 0

目前调试imx6dl+ti964+OV10640,测试的时候出现：
ERROR: v4l2 capture: mxc_v4l_dqueue timeout enc_counter 0
VIDIOC_DQBUF failed.
csi_id = 0,ipu_id = 0,请问有哪位大神能指点一二！不胜感激