On Mon, Nov 29, 2010 at 2:54 AM, David Liontooth <lionteeth@xxxxxxxxxx> wrote: > > I'm seeing great results with gnutv on HVR-1850 cards, but each recording > triggers the message > > DVR overflow > > What is this, and what are the typical causes? What can I do to prevent it > from happening? I don't know about gnutv specifically, but I do know that -EOVERFLOW is returned when an application fails to read the /dev/dvb/adapterX/dvr0 device fast enough. It's the driver signaling to the application that it did not read the file handle often/fast enough and that the driver is going to drop packets to keep up. The driver has a limited amount of buffering, so if you have a delay that is too long between read() calls (or your read buffer is too small to accommodate the data rate) you will encounter this condition. Devin -- Devin J. Heitmueller - Kernel Labs http://www.kernellabs.com -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
