On 07/17/2013 05:40 PM, m.roth at 5-cent.us wrote: [snip] > Which gspca driver is installed (lsmod | grep gspca)? And it might require > exporting LD_PRELOAD with v4lcompat.so or v4l2convert.so. It's the gspca_vc032x module. LD_PRELOADING either lib did not make a difference and Cheese spits out an internal data flow error when started from the CLI. >From digging in my mail archives the error in /var/log/messages was: Jan 3 17:37:10 luna kernel: [ 7358.087971] gspca: ISOC data error: [62] len=0, status=-71 That was on Fedora 14 with kernel 2.6.35.10-74.fc14.x86_64 and the id of the webcam is: Logitech Orbicam 046d:0896 The patch that fixed it is: $ cat gspca-sensor.patch diff -uNr gspca-2.13.3.org/build/vc032x.c gspca-2.13.3/build/vc032x.c --- gspca-2.13.3.org/build/vc032x.c 2011-01-15 09:46:40.000000000 +0100 +++ gspca-2.13.3/build/vc032x.c 2011-07-28 18:16:41.138640918 +0200 @@ -3716,9 +3716,9 @@ sensor = vc032x_probe_sensor(gspca_dev); //vish -// if (sd->sensor == SENSOR_POxxxx -// && sensor == SENSOR_PO3130NC) -// sensor = sd->sensor; + if (sd->sensor == SENSOR_POxxxx + && sensor == SENSOR_PO3130NC) + sensor = sd->sensor; switch (sensor) { case -1: Regards, Patrick