Hi Thomas, On Thursday 03 April 2014 16:52:19 Scheuermann, Mail wrote: > Hi Laurent, > > the driver my device uses is the uvcvideo. I have the kernel 3.11.0-18 from > Ubuntu 13.10 running. It is built in in a Thinkpad X240 notebook. OK. A bit of debugging will then be needed. Could you set the videobuf2-core debug parameter to 3, retry your test case and send us the kernel log ? -- Regards, Laurent Pinchart -- 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