my driver does not support dmabuf, but only V4L2_MEMORY_MMAP, for 1080p I've changed the v4l2_buffer bytesused from 4147200 to 4149248 and in 25 minutees I never get the error. If I change the resolution to 3840x2160 I get the error -- Sent from: http://gstreamer-devel.966125.n4.nabble.com/