Version: 0.12.7 (using KDE 3.5.8) Installed from: Fedora RPMs Compiler: GCC 4.1.2 20070925 OS: Linux similar to #114684 but different devices: dmesg output: usb 2-1: V4L2 device /dev/video0 deregistered usb 2-1: USB disconnect, address 4 usb 2-1: Disconnecting SN9C1xx PC Camera... usb 2-1: V4L2 device /dev/video1 deregistered usb 2-1: new full speed USB device using uhci_hcd and address 5 usb 2-1: configuration #1 chosen from 1 choice usb 2-1: SN9C10[12] PC Camera Controller detected (vid:pid 0x0C45:0x6029) usb 2-1: PAS106B image sensor detected usb 2-1: Initialization succeeded usb 2-1: V4L2 device registered as /dev/video0 usb 2-1: Optional device control through 'sysfs' interface disabled kopete startup: VIDIOC_STREAMOFF error 22, Invalid argument symptoms a light green display whenever you select settings/configure/devices. You may see the real moving pic embedded in the green image, cursors do not work, white persists down, others do nothing.
What driver are you using , I wonder if other webcams using the same driver have problem or if maybe there's another driver for your webcam so you can test with it.