не работает USB камера

Поставил motion, подключил камеру (после обновления ядра на 2.6.16 модуль успешно загрузился)
kernel: sn9c102: V4L2 driver for SN9C10x PC Camera Controllers v1:1.26
kernel: usb 3-2: SN9C103 PC Camera Controller detected (vid/pid 0x0C45/0x608F)
kernel: usb 3-2: OV7630 image sensor detected
kernel: usb 3-2: [sn9c102_usb_probe:2758] Support for OV7630 maintained by Luca Risolia <luca.risolia@studio.unibo.it>
kernel: usb 3-2: [sn9c102_init:1381] Uncompressed video format is active
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'global gain' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'hue' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'saturation' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'contrast' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'exposure' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'red balance' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'blue balance' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'brightness' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'white balance background: blue' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'white balance background: red' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'auto white balance' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'gain & exposure mode' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'vertical flip' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'black pixel ratio' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'bright pixel ratio' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'band filter' control
kernel: usb 3-2: [sn9c102_init:1402] Image sensor supports 'rgb gamma' control
kernel: usb 3-2: Initialization succeeded
kernel: usb 3-2: V4L2 device registered as /dev/video0

При попытке запустить motion или vidcat вылетает одна и та же ошибка

kernel: usb 3-2: [sn9c102_open:1501] Video device /dev/video0 is open
motion: [1] ioctl (VIDIOCGCAP): Invalid argument
motion: [1] Capture error calling vid_start
kernel: usb 3-2: [sn9c102_release:1530] Video device /dev/video0 closed

Куда копать?